These medical practices are large organizations, many of which are hospitals or university medical centers providing comprehensive healthcare services, education, and research. Examples include Consultorio Odontológico, a dental service in Brazil; Kasr AlAiny School of Medicine, Cairo University, which provides medical education; Sutter Health - Palo Alto Medical Foundation, a not-for-profit healthcare organization in Northern California; and Hospital Gregorio Marañón, a public hospital in Madrid known for its specialized care.
The companies listed show a global distribution, with significant presences in Europe, Africa, and North and South America. Several entities, such as Kasr AlAiny School of Medicine (founded 1837) and Sutter Health - Palo Alto Medical Foundation (founded 1930), have long histories, while others like Doctor (founded 2017) are more recent.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 
Consultorio Odontológico
Consultorio Odontológico is a medical practice located in Salvador, Bahia, Brazil, providing dental services in the JARDIM NOVA ESPERANÇA area |
25,409 | |||
| 2 |
Studio Dentisticodentistaudine.wordpress.com
Dental clinic providing professional services and treatments, led by Dr Carlo Zampollo |
9,129 | |||
| 3 |
Doctoramazon.com
We specialize in promoting and selling products from Amazoncom through posting deals, specials, and product details for easy customer access |
6,073 | |||
| 4 |
Kasr AlAiny School of Medicine, Cairo Universitymedicine.cu.edu.eg
Provider of medical education and training programs located at Cairo University's School of Medicine |
4,998 | |||
| 5 |
Zahnarztpraxisafternic.com
This is a general dental practice with a specific focus on implantology, offering comprehensive dental care with an emphasis on dental implant procedures. |
4,856 | |||
| 6 |
Medicoww38.pixissive.com
Provides ongoing primary care to residents and short-term medical care to visitors, with physicians available 24/7 for urgent or convenient appointments. |
4,412 | |||
| 7 |
Sutter Health - Palo Alto Medical Foundationjobs.sutterhealthclinicians.org
A not-for-profit healthcare organization providing operational support and advanced technology for physicians to deliver exceptional patient care in Northern California |
4,394 | |||
| 8 |
Arztpraxisdr-thomas-schneider.com
A preventative and sports medicine practice offering services such as performance diagnostics, vitamin/mineral analysis, orthomolecular medicine, custom check-ups, natural healing, and occupational medicine |
4,210 | |||
| 9 |
KOMFO ANOKYE TEACHING HOSPITALkathhsp.org
A major hospital in Ghana with 1500 beds offering primary and specialist medical and surgical services, including a polyclinic Visit wwwkathhsporg for more information |
3,242 | |||
| 10 |
Hospital Gregorio Marañónhggm.es
A public hospital in Madrid known for highly trained professionals, teaching and research, technological advancements, and national/international specialty care |
3,146 | |||
| 11 |
Hospital de Santa Mariamin-saude.pt
The company is a healthcare institution that provides medical care, education, research, and innovation to ensure universal access and quality services |
3,111 | |||
| 12 |
Hospital Clínico Universidad de Chileredclinica.cl
A leading clinical and academic institution affiliated with the University of Chile, providing comprehensive healthcare services, medical training, and cutting-edge technology |
2,906 | |||
| 13 |
PathCarepathcare.co.za
PathCare Laboratories is a network of pathology labs offering a wide range of testing services for medical, veterinary, environmental, and industrial purposes with a focus on quality and innovation |
2,755 | |||
| 14 |
sk:nsknclinics.co.uk
Specialist skin care clinics across the UK, offering expert Dermatologists and practitioners to help achieve better skin through personalized treatments |
2,744 | |||
| 15 |
Tabriz University of Medical Sciencestbzmed.ac.ir
A top-ranked public university in Iran offering medical, pharmacy, and health-related degrees, with over 10 teaching hospitals in the region |
2,668 | |||
| 16 |
Martini Ziekenhuismartiniziekenhuis.nl
A topclinical training hospital focused on innovation, research, and providing high-quality care in a modern environment with a strong emphasis on personal growth and teamwork |
2,636 | |||
| 17 |
Serviço de Atendimento Móvel de Urgência -- SAMU
An emergency mobile medical service based in São Paulo, Brazil, providing urgent medical care and assistance to those in need |
2,574 | |||
| 18 |
Angels of Care Pediatric Home Healthangelsofcare.com
Provider of high quality home health care for children and young adults in need, offering a variety of services and employing experienced healthcare professionals in multiple states |
2,569 | |||
| 19 |
ChenMedchenmed.com
Dedicated to changing healthcare for underserved seniors with chronic diseases through high-touch, preventive primary care in a mission-driven culture |
2,440 | |||
| 20 |
Clove Dentalclovedental.in
India's largest dental network with 400+ clinics, 1000+ skilled doctors offering orthodontics, dental implants, oral surgery, and ethical dental services |
2,379 | |||
| 21 |
Affideaaffidea.com
A pan-European provider of diagnostic imaging and healthcare services with a focus on patient safety and high-quality medical care |
2,327 | |||
| 22 |
Osecac
A medical practice company located in Chajarí, Argentina, specializing in providing healthcare services to individuals in the area |
2,200 | |||
| 23 |
Jordanian Royal Medical Servicesjrms.mil.jo
Providing distinguished, safe, and high-quality medical services in Jordan, committed to continuous improvement and optimal use of available resources |
2,121 | |||
| 24 |
Nutricionistavarinhadigital.com.br
A medical practice specializing in nutrition, located in Bucaramanga, Colombia |
2,071 | |||
| 25 |
IHAtrinityhealthmichigan.org
A leading multi-specialty medical group in Michigan providing quality care for patients of all ages, with a focus on best outcomes and exceptional work experiences |
2,030 | |||
| 26 |
Uno Salud Dentalpagos.gtd.cl
Uno Dental is a leading dental network in Chile, providing high-quality, affordable oral health care with modern technology and skilled professionals |
2,005 | |||
| 27 |
Clínica Colsanitasclinicacolsanitas.com
Healthcare provider in Colombia offering medical, dental, optical, and ophthalmological services with a patient-centered approach focusing on comprehensive care throughout life |
1,911 | |||
| 28 |
Laboratório Hermes Pardiniguiapj.com.br
A medical practice based in Belo Horizonte, Brazil, offering laboratory services with a focus on healthcare and diagnostics |
1,907 | |||
| 29 |
US Anesthesia Partnersusap.com
Leader in high-quality anesthesia services with diverse team members providing direct care to patients, focused on improving patient outcomes nationwide |
1,901 | |||
| 30 |
Consultorio Dental - Dentista
A dental clinic based in Puebla, Mexico, providing medical services specializing in dentistry and oral care |
1,830 | |||
| 31 |
Azienda Ospedale Università Padovaaopd.veneto.it
National relief and high specialization hospital with a focus on teaching, research, and collaboration with healthcare system and University of Padua |
1,782 | |||
| 32 |
Bupa Dental Care UKjobs.bupadentalcare.co.uk
Providing high-quality private and NHS dental services across the UK with advanced technology and a focus on patient wellbeing. |
1,745 | |||
| 33 |
IU Health Methodist Hospitaliuhealth.org
A top-ranked hospital known for quality, safety, nursing excellence, and high-quality clinical outcomes, recognized nationally by University Health Consortium and US News & World Report |
1,724 | |||
| 34 |
Azienda Ospedaliera Universitaria Integrata Veronaospedaleuniverona.it
A renowned hospital trust in Veneto, offering excellent specialties, research, assistance, training, and advanced medical procedures like transplants and surgeries |
1,700 | |||
| 35 |
Närhälsannarhalsan.se
A public primary care provider with multiple locations in Västra Götaland, offering comprehensive healthcare services and research to improve patient outcomes |
1,662 | |||
| 36 |
Hôpital Erasme - Cliniques Universitaires de Bruxelleserasme.ulb.ac.be
Academic hospital affiliated with a university, providing patient care, education, and research in various specialized fields with over 3,000 staff members |
1,633 | |||
| 37 |
LaserAwaylaseraway.com
Aesthetic dermatology leader offering state-of-the-art treatments for skin rejuvenation, hair removal, body contouring, and injectables with a focus on professional growth and flexibility |
1,624 | |||
| 38 |
Hospital da Restauração
A medical practice company located in Recife, Brazil, specializing in providing healthcare services at Hospital da Restauração |
1,616 | |||
| 39 |
Klinikum Stuttgartklinikum-stuttgart.de
A hospital in Stuttgart offering comprehensive medical care as a teaching hospital affiliated with the University of Tübingen, serving the region's residents |
1,596 | |||
| 40 |
PIMSpims-inc.com
A leading provider of comprehensive medical billing and practice management services for healthcare providers of all specialties since 1976 |
1,564 | |||
| 41 |
Hospital Santa Casa de Misericórdia
Medical practice located in Porto Alegre, Brazil, offering services at Hospital Santa Casa de Misericórdia |
1,549 | |||
| 42 |
Hospital Universitario Ramón y Cajal
A medical practice company located in Madrid, Spain, specializing in providing healthcare services at Hospital Universitario Ramón y Cajal |
1,548 | |||
| 43 |
Crossroadscrossroadstreatmentcenters.com
A behavioral healthcare company offering medication-assisted treatment, hepatitis C services, toxicology screening, and digital health screens to improve health outcomes and equity |
1,513 | |||
| 44 |
Ospedale Policlinico San Martinoospedalesanmartino.it
A leading hospital in Liguria, Italy, providing high-level healthcare in cardiology, oncology, neurology, and emergency services, while also focusing on research and medical education |
1,512 | |||
| 45 |
Farmacia Elia Turrionfarmaciaturrion.com
The company collects and processes personal data in compliance with data protection laws for individuals participating in events on their website |
1,510 | |||
| 46 |
Hospital Universitario Puerta De Hierro Majadahonda
A medical practice company located in Spain, offering services at Hospital Universitario Puerta de Hierro Majadahonda on CALLE MANUEL DE FALLA 1 |
1,456 | |||
| 47 |
Hospital Madre Teresahospitalmadreteresa.org.br
Providing excellent and sustainable care for clients' holistic health needs |
1,456 | |||
| 48 |
Twin Cities Orthopedicstcomn.com
A leading orthopedic practice offering comprehensive medical care and treatment for injuries and conditions affecting muscles, joints, and bones in Minnesota and Wisconsin |
1,453 | |||
| 49 |
Corposaludclinicacorposalud.es
Corposalud is a medical practice company in Valencia, Spain, providing healthcare services to patients in need |
1,453 | |||
| 50 |
Forefront Dermatologyforefrontdermatology.com
Leading dermatology practice group providing innovative solutions and exceptional care for skin health, offering general, surgical, and cosmetic dermatology services |
1,439 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Hospital Clínica Bíblicaclinicabiblica.com
Leading Costa Rican private hospital founded in 1929, offering a wide range of medical specialties with a focus on quality healthcare and infrastructure improvements |
1,434 | |||
| 52 |
Royal North Shore Hospitalnslhd.health.nsw.gov.au
Principal tertiary referral hospital providing complex medical services, trauma care, research, and high-quality clinical treatment including major trauma, burns, neurosurgery, and maternity services |
1,413 | |||
| 53 |
Austin Regional Clinic: ARCaustinregionalclinic.com
A multispecialty medical group in Central Texas providing comprehensive healthcare services through 35 locations, focusing on convenience, quality, and patient satisfaction |
1,408 | |||
| 54 |
Organo Gold Internationalspiritualhealth.organogold.com
Offers a range of premium coffee, tea, and nutraceutical products infused with Ganoderma lucidum, promoting a healthier lifestyle globally. |
1,373 | |||
| 55 |
ENT and Allergy Associatesentandallergy.com
Comprehensive ear, nose, throat, allergy, and audiology care provided by over 450 clinicians across New York, New Jersey, Pennsylvania. |
1,341 | |||
| 56 |
New Seasonnewseason.com
An organization of outpatient substance use treatment centers, specializing in opioid addiction treatment through counseling and support for recovery and reintegration into communities |
1,326 | |||
| 57 |
OrthoVirginiaorthovirginia.com
Leading orthopedic and therapy care provider in Virginia with a team of specialists offering high-quality, cost-effective services to improve musculoskeletal health in communities served |
1,309 | |||
| 58 |
Advanced Dermatology and Cosmetic Surgeryadvancedderm.com
A leading dermatology practice with over 150 locations specializing in comprehensive care, cutting-edge technology, individualized treatment plans, and aesthetic results |
1,307 | |||
| 59 |
SEX AND GENDER WOMENS HEALTH COLLABORATIVEsgwhc.org
The company focuses on integrating sex and gender factors into medical care to improve health outcomes for women through collaboration and resources |
1,305 | |||
| 60 |
Revere Healthreverehealth.com
A leading independent multispecialty physician group in Utah and Nevada with over 200 providers offering comprehensive healthcare at multiple locations Engaged in innovative value-based care |
1,285 | |||
| 61 |
Centre Dentairecentredentairest-bruno.com
A dental center providing high-quality oral care services with a team of experienced and knowledgeable professionals |
1,276 | |||
| 62 |
Rothman Orthopaedicsrothmanortho.com
Leading orthopaedic practice offering high-quality treatment for various musculoskeletal issues with top specialists, recognized for excellence, team physicians for professional sports teams, and urgent care services available |
1,269 | |||
| 63 |
Hôpitaux Universitaires Pitié Salpêtrière - Charles Foix (APHP)validate.perfdrive.com
Large public hospital in Paris providing comprehensive medical care, emergency services, and specialized treatments within the AP-HP network. |
1,259 | |||
| 64 |
OrthoCarolinaorthocarolina.com
The company offers premier orthopedic care with convenient online scheduling, walk-in options, and after-hours urgent care for compassionate patient service |
1,230 | |||
| 65 |
Santé Québec - Institut de cardiologie de Montréalicm-mhi.org
A highly specialized hospital focusing on cardiology, dedicated to care, research, education, prevention, rehabilitation, and evaluating new technologies in the field |
1,228 | |||
| 66 |
Vancouver Clinictvc.org
Delivering compassionate healthcare for over 90 years, focusing on personalized patient care through face-to-face interactions and genuine human connections |
1,220 | |||
| 67 |
Azienda ULSS 6 Euganeaaulss6.veneto.it
A healthcare organization in Veneto, Italy, offering medical and social services to over a million residents through hospitals, clinics, and residential facilities |
1,215 | |||
| 68 |
Princess Margaret Cancer Centreuhnresearch.ca
Leading cancer research center with internationally recognized scientists focusing on various aspects of cancer through cutting-edge research and state-of-the-art tools |
1,211 | |||
| 69 |
UNIVERSITY OF IOWA HOSPITALS &CLINCS
A medical practice company located in Iowa City, Iowa, providing healthcare services at the University of Iowa Hospitals & Clinics on Hawkins Drive |
1,204 | |||
| 70 |
Hattiesburg Clinic, PAhattiesburgclinic.com
A medical practice that provides high quality, patient-centered healthcare with a focus on commitment, compassion, fairness, integrity, respect, and innovation |
1,196 | |||
| 71 |
Watson Clinic LLPwatsonclinic.com
A leading multispecialty medical clinic in Florida offering comprehensive healthcare services with over 220 physicians in 40 specialties, serving Central Florida residents since 1941 |
1,184 | |||
| 72 |
Schweiger Dermatology Groupschweigerderm.com
Leading dermatology practice with 110 offices and 380 providers offering medical, cosmetic, and surgical dermatology services, serving over 15 million patients annually |
1,180 | |||
| 73 |
Addenbrooke’s Hospital
A medical practice based in Cambridge, UK, specializing in providing healthcare services at Addenbrooke’s Hospital on Hills Road |
1,172 | |||
| 74 |
American Family Careamericanfamilycare.com
A leading provider of urgent care and accessible primary care with over 160 clinics, 500 physicians, and 2 million patients annually |
1,171 | |||
| 75 |
Hospital CIMAhospitalcima.com
A medical facility located in San José, Costa Rica, providing healthcare services in a hospital setting |
1,147 | |||
| 76 |
ASL Teramoaslteramo.it
A healthcare provider in the province of Teramo, offering a range of medical services and resources to the local community |
1,140 | |||
| 77 |
Dental Associatesdentalassociates.com
This family-owned dental group provides complete dentistry and all dental specialties for residents of all ages across numerous Eastern Wisconsin locations, offering quality, affordable care. |
1,135 | |||
| 78 |
Cerrahpaşa Faculty of Medicinecerrahpasa.iuc.edu.tr
Affiliated with Istanbul University-Cerrahpaşa, this medical school provides education and training at the Cerrahpaşa Faculty of Medicine |
1,127 | |||
| 79 |
ApolloMDapollomd.com
A national physician-led group practice specializing in Emergency Medicine, Hospital Medicine, Anesthesia, and Radiology services, focusing on quality, efficiency, and patient satisfaction |
1,099 | |||
| 80 |
Beltonebeltone.com
A company dedicated to setting new standards in hearing aids, using cutting-edge technology to provide personalized solutions and improve quality of life for those with hearing loss |
1,093 | |||
| 81 |
Royal Brisbane & Women’s Hospitallinkedin.com
A medical practice company located in Herston, Queensland, Australia, providing services at the Royal Brisbane & Women’s Hospital |
1,084 | |||
| 82 |
Summit Medical Groupsummitmedical.com
Healthcare provider recruiting various medical professionals, clinical staff, and administrative roles for positions in family medicine, internal medicine, pediatrics, and more Visit website for open positions |
1,082 | |||
| 83 |
Sono Bellosonobello.com
A leading cosmetic surgery practice with over 100 locations in the US, specializing in total body transformation with advanced micro-laser liposuction procedures |
1,031 | |||
| 84 |
KINGS COUNTY HOSPITAL
A medical practice company located in Brooklyn, New York, providing healthcare services at 451 Clarkson Ave |
1,017 | |||
| 85 |
Conselleria de Saclinicapassos.es
A recently created company in the healthcare sector specializing in comprehensive foot care in the university area, equipped with suitable treatment rooms |
1,014 | |||
| 86 |
EmergeOrthoemergeortho.com
A leading provider of orthopedic, spine, and pain management care with a focus on helping patients lead active and healthy lives |
1,009 | |||
| 87 |
BrightViewbrightviewhealth.com
Outpatient addiction medicine practice offering medication-assisted treatment, psychological, and social services to bring life-changing recovery to communities with values of Respect, Inspiration, Service, and Excellence |
989 | |||
| 88 |
Texas Health Physicians Grouptexashealth.org
A leading physician organization in North Texas with over 800 providers, 220 clinics, and a range of services supporting patient care and practice growth |
983 | |||
| 89 |
Synnovis
A partnership providing pathology services in south east London, conducting 32 million tests annually to improve patient outcomes and well-being |
980 | |||
| 90 |
US DEPT. OF VETERANS AFFAIRSdva.wa.gov
A medical practice company located in Walla Walla, WA, providing services for veterans and their families in the United States |
953 | |||
| 91 |
Al Mokhtabar Labs - معامل المختبرalmokhtabar.com
Leading private medical laboratory in the Middle East, offering over 1,200 clinical tests with a network of 100+ branches and employing top medical professionals |
950 | |||
| 92 |
Santa Casa de São Bernardo do Camposantacasasbc.org.br
Healthcare facility providing medical consultations, multidisciplinary outpatient services, various medical specialties, exams, and accepting multiple health insurance plans in São Bernardo do Campo, São Paulo |
945 | |||
| 93 |
Sheridan Healthcaresheridanhealthcare.com
Leading provider of anesthesia management solutions for physicians, hospitals, and outpatient centers Offers quality healthcare providers competitive benefits, training, and flexible work schedules |
944 | |||
| 94 |
Centro di medicinacentrodimedicina.com
A private medical network in Veneto, offering excellence in specialized services, cutting-edge technology, and personalized care for patients and occupational health services |
943 | |||
| 95 |
Crystal Run Healthcrystalrunhealthcare.com
Innovative multi-specialty medical practice focused on transforming healthcare delivery with a strong commitment to primary care and advanced technology |
943 | |||
| 96 |
21st Century Oncologygenesiscareus.com
The company provides personalized cancer treatments tailored to individual patient needs through a multidisciplinary approach |
938 | |||
| 97 | 925 | ||||
| 98 |
Proliance Surgeonsproliancesurgeons.com
A team of experienced specialists and surgeons offering advanced medical care in various fields such as Orthopedics, ENT, general surgery, and OB/GYN |
921 | |||
| 99 |
Princess Margaret Cancer Centreuhn.ca
Keep up-to-date on the latest developments and changes at a prominent hospital through news articles and general information |
898 | |||
| 100 |
CareMount Medicaleast.optum.com
A part of Optum, CareMount Medical provides high-quality, patient-centered medical care to over 16 million patients in New York City and surrounding counties |
895 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 13, 2026.
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