Obesity-Medicine & Endocrinology Practices in Massachusetts

557 NPI-verified obesity-medicine, endocrinology, and bariatric practices across 124 Massachusetts cities — sourced directly from the CMS National Provider registry. The directory also lists 253 facility-type clinics and 35 primary-care clinicians statewide whose CMS taxonomy also includes obesity medicine (see the Taxonomy Mix and per-city bands below).

Massachusetts at a Glance

NPI-verified clinics
845
CMS national registry
Cities with a listing
124
Across Massachusetts
Obesity-medicine + endo (core)
561
Primary taxonomy match
Bariatric surgery practices
197
Surgical taxonomy

Taxonomy Mix

Of the 845 Massachusetts practices in this directory, 561 carry a core obesity-medicine or endocrinology taxonomy (13 Obesity Medicine, 548 Endocrinology, Diabetes & Metabolism), 0 are multi-specialty or primary-care clinic facilities, 197 carry a bariatric-surgery taxonomy, 13 carry a bariatric-medicine-adjacent combination taxonomy, 70 are family or internal medicine practices, and 4 are nurse-practitioner or physician-assistant enumerations.

Top Cities by Clinic Count

Cities with at least 3 clinics and 1 named, address-resolved practice have their own dedicated page. Smaller cities are listed below with their clinic count.

All Massachusetts Cities (124)

Browse all 124 Massachusetts cities in this directory A–Z

Prefer Telehealth?

In-person obesity-medicine and endocrinology visits are one path to GLP-1 treatment. Many Massachusetts residents instead use a licensed telehealth provider that ships compounded semaglutide or tirzepatide directly to their address — see our full list of GLP-1 telehealth providers serving Massachusetts for pricing and reviews, or compare the best semaglutide and tirzepatide providers nationwide.

Frequently Asked Questions