Obesity-Medicine & Endocrinology Practices in Merrillville
6 NPI-verified obesity-medicine, endocrinology, and bariatric practices in Merrillville, Indiana — sourced directly from the CMS National Provider registry. The directory also lists 10 facility-type clinics and 1 primary-care clinician in Merrillville whose CMS taxonomy also includes obesity medicine (see the bands below).
Merrillville at a Glance
Taxonomy Mix in Merrillville
Of the 17 Merrillville practices in this directory, 6 carry a core obesity-medicine or endocrinology taxonomy (1 Obesity Medicine, 5 Endocrinology, Diabetes & Metabolism), 0 are multi-specialty or primary-care clinic facilities, 8 carry a bariatric-surgery taxonomy, 2 carry a bariatric-medicine-adjacent combination taxonomy, 1 are family or internal medicine practices, and 0 are nurse-practitioner or physician-assistant enumerations.
By roster relevance: 6 practices have obesity-medicine, endocrinology, or bariatric care as their true primary specialty; 10 are clinics or medical centers whose primary taxonomy is a facility type but that also list obesity-medicine or endocrinology services; and 1 are primary-care or family-medicine clinicians who list obesity medicine as a secondary taxonomy. The CMS registry also lists 240 other primary-care & multi-specialty clinicians in Merrillville who commonly prescribe GLP-1s but don't specifically list obesity medicine in their taxonomy — not included in the roster below.
Merrillville is home to 17 obesity-medicine and endocrinology practices in this directory; city-level population data is not yet available for a density comparison.
Merrillville Practices
Obesity-Medicine & Endocrinology Practices (6)
Obesity medicine, endocrinology, and bariatric practices whose true primary NPPES taxonomy is obesity/endo care.
Clinics & Medical Centers That List Obesity-Medicine / Endocrinology Services (10)
Clinics and medical centers — labeled by their real primary specialty on file — whose CMS record also carries an obesity-medicine or endocrinology taxonomy. The registry doesn't break out which on-site specialists staff that service.
Primary-Care & Family-Medicine Clinicians Who Also List Obesity Medicine (1)
Family-medicine, internal-medicine, and related generalist clinicians whose primary specialty isn't obesity medicine, but who carry a secondary obesity/bariatric-medicine taxonomy — often the clinicians actually managing GLP-1 prescribing.
Nearby Cities in the Directory
Also browsing near Merrillville? These nearby Indiana cities have their own clinic directory page:
In-Person vs Telehealth in Merrillville
The practices above are in-person obesity-medicine, endocrinology, and bariatric-surgery clinics — a good fit for patients who want a local relationship, have complex medical needs, or need in-person documentation for insurance. Many Merrillville residents instead use a licensed telehealth provider that ships compounded semaglutide or tirzepatide directly to a Indiana address. Featured Indiana telehealth partners:
Featured Partners · Merrillville
Featured GLP-1 providers serving Merrillville
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Browse the full GLP-1 telehealth city index for pricing and providers in every city we cover.
More in Indiana
See every Indiana city in this directory, plus statewide taxonomy breakdowns, on the Indiana clinic directory hub.