| # | Company | Employees |
|---|---|---|
| 1 |
Massachusetts General Hospitalmassgeneral.org
Dedicated to providing top-notch healthcare in a compassionate environment through innovative research and education, improving health in diverse communities served |
20,001 |
| 2 |
Boston Children's Hospitalchildrenshospital.org
A leading pediatric medical center providing comprehensive healthcare services for children from birth to 21 years, with specialized clinical programs and renowned physicians |
17,496 |
| 3 |
Beth Israel Deaconess Medical Centerbidmc.org
World-class teaching hospital in Boston, part of a health care system focused on expanding access to great care, advancing medicine through research and education |
12,125 |
| 4 |
Boston Medical Center (BMC)bmc.org
delivering equitable healthcare, conducting research, and collaborating with communities to improve health outcomes and access for all patients |
10,149 |
| 5 |
Dana-Farber Cancer Institutedana-farber.org
Providing expert, compassionate care to children and adults with cancer while advancing understanding, treatment, cure, and prevention. |
8,981 |
| 6 |
Tufts Medical Centertuftsmedicine.org
Academic medical center offering exceptional care in New England, specializing in primary care, trauma, heart transplants, and various specialties Conducts medical research and education |
6,018 |
| 7 |
The Stepping Stones Group, LLCthesteppingstonesgroup.com
Providing exceptional therapeutic and behavioral services to children and families in schools, homes, and clinics across 42 states |
4,862 |
| 8 |
Massachusetts College of Pharmacy and Health Sciencesmcphs.edu
A leading institution in Boston offering over 100 healthcare programs to prepare students for successful careers and leadership roles |
2,497 |
| 9 |
Spaulding Rehabilitation Hospitalspauldingrehab.org
A leading rehabilitation facility providing comprehensive treatment, part of a network with specialty hospitals, skilled nursing facilities, and outpatient centers in Eastern Massachusetts |
2,441 |
| 10 |
Harvard Medical School and Massachusetts General Hospitalmassgeneral.org
A prestigious hospital affiliated with Harvard Medical School, offering clinical experience and clerkships while supporting a large research enterprise |
1,967 |
| 11 |
NeuroRestorativeneurorestorative.com
Provider of rehabilitation services for individuals with brain, spinal cord, and medically complex injuries Specialized care for infants, children, adolescents, and veterans |
1,658 |
| 12 |
Partners In Healthpih.org
A global health organization fighting social injustice by providing quality healthcare to vulnerable communities through evidence-based programs in 11 countries |
1,619 |
| 13 |
Massachusetts Eye and Earmasseyeandear.org
Specialty hospital providing excellent care for disorders of the eye, ear, nose, and throat, while also focusing on education and research |
1,514 |
| 14 |
Commonwealth Care Alliancecommonwealthcarealliance.org
Mission-driven healthcare organization providing integrated, person-centered care and innovative health plans for individuals with significant needs in Massachusetts. |
1,503 |
| 15 |
Caregiver Homescaregiverhomes.com
The company provides support to caregivers, offering Structured Family Caregiving to keep loved ones at home Opportunities for healthcare professionals available |
1,309 |
| 16 |
Brigham and Women鈥檚 Faulkner Hospitalbrighamandwomensfaulkner.org
A 171-bed non-profit community teaching hospital offering comprehensive care in various specialties, nationally recognized for best practices in patient care and safety |
946 |
| 17 |
Amwellbusiness.amwell.com
Amwell empowers clients' healthcare goals with a future-ready platform, fostering partnerships and innovation to create a comprehensive care ecosystem for better outcomes |
918 |
| 18 |
New England Baptist Hospitalnebh.org
A leading regional provider of orthopedic surgery and musculoskeletal treatment, recognized for high patient satisfaction and clinical outcomes Collaborates with prestigious medical schools |
903 |
| 19 |
Boston Public Health Commissionboston.gov
An innovative health department with a historic legacy dating back to 1799, focusing on prevention and improving public health in Boston |
896 |
| 20 |
Bay Cove Human Servicesbaycovehumanservices.org
Provides services for individuals and families facing challenges of developmental disabilities, aging, mental illness, and addiction in Greater Boston and southeastern Massachusetts |
883 |
| 21 |
Care Accesscareaccess.com
Global research site facilitating access to clinical research to increase availability of new treatments in communities worldwide |
860 |
| 22 |
Tufts University School of Dental Medicinedental.tufts.edu
A renowned dental school providing exceptional education, research, patient care, and community service in the field of dental medicine since 1868 |
722 |
| 23 |
Peace of Mind, Incpeaceofmindinc.com
Provider of high-quality home care services in Boston area for over 25 years, working with top hospitals and professionals to ensure the best care for clients |
675 |
| 24 |
Key Autism Serviceskeyautismservices.com
Provider of autism services in multiple states, offering programs for children with Autism Spectrum Disorder, focusing on family involvement and empowerment for clients' growth and independence |
619 |
| 25 |
Joslin Diabetes Centerjoslin.org
A world-renowned diabetes center dedicated to finding a cure and improving treatment for diabetes, with a mission to prevent, treat, and cure diabetes |
600 |
| 26 |
Well Groupwellgroup.dental
A dental support organization empowering in-house dental practices to thrive by providing comprehensive support services, improving patient care, and driving practice growth |
8 |
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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 Oct 24, 2026.
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The same list elsewhere in United States
- Healthcare providers in the United States 3,019
- Healthcare providers in California 277
- Healthcare providers in New York State 261
- Healthcare providers in Texas 221
- Healthcare providers in Florida 184
- Healthcare providers in Illinois 140
- Healthcare providers in Pennsylvania 139
- Healthcare providers in Massachusetts 108
- Healthcare providers in Tennessee 96
- Healthcare providers in Ohio 90
- Healthcare providers in New Jersey 77
- Healthcare providers in Michigan 76
- Healthcare providers in North Carolina 75
- Healthcare providers in Washington State 73
- Healthcare providers in Georgia 70
- Healthcare providers in Missouri 70
- Healthcare providers in Alabama 66
- Healthcare providers in Maryland 66
- Healthcare providers in Colorado 65
- Healthcare providers in Minnesota 65
- Healthcare providers in Arizona 63
- Healthcare providers in Virginia 63
- Healthcare providers in Indiana 61
- Healthcare providers in New York 95