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Obesity Medicine Doctors (Preventive Medicine) in Illinois

Data updated monthly · Last refresh October 2026

7 Obesity Medicine (Preventive Medicine) providers practice in Illinois, including 3 (43%) offering telehealth. The largest concentration is in Chicago. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

7providers
3telehealth
Chicagotop city

Obesity Medicine (Preventive Medicine) by city in Illinois

Choose a city to see providers there.

Obesity Medicine (Preventive Medicine) in Chicago3 providers
Obesity Medicine (Preventive Medicine) in Clarendon Hills1 providers
Obesity Medicine (Preventive Medicine) in Deer Park1 providers
Obesity Medicine (Preventive Medicine) in Bloomingdale1 providers
Obesity Medicine (Preventive Medicine) in Arlington Heights1 providers

Obesity Medicine (Preventive Medicine) providers in Illinois

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Lyndsay Hoffman, FNP
Arlington Heights, IL · $199 in drug and device payments (2025) · (310) 995-5293
Dr. Manali Patel, MD
Bloomingdale, IL · $181 in drug and device payments (2025) · Telehealth · (630) 242-2455
Dr. Esmilkrys Ramirez, M.D.
Chicago, IL · $2,529 in drug and device payments (2025) · Telehealth · (773) 622-4400
Dr. Finisa Rosenzweig, M.D.
Chicago, IL · $68 in drug and device payments (2025) · (773) 969-5752
Dr. Mona Lala, MD
Chicago, IL · $45 in drug and device payments (2025) · (773) 270-8223
Dr. Catherine Johnson, MD FACEP, ABOM, MSCP
Clarendon Hills, IL · No drug or device payments recorded (2025) · (312) 343-4342
Dr. Darshan Patel, MD
Deer Park, IL · $130 in drug and device payments (2025) · Telehealth · (312) 625-1889

Common questions

How many Obesity Medicine (Preventive Medicine) providers are in Illinois?

There are 7 Obesity Medicine (Preventive Medicine) providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.

Do Obesity Medicine (Preventive Medicine) providers in Illinois offer telehealth?

Yes. 3 of the 7 Obesity Medicine (Preventive Medicine) providers in Illinois (about 43%) report offering telehealth services in CMS data.

Which cities in Illinois have the most Obesity Medicine (Preventive Medicine) providers?

Chicago (3), Clarendon Hills (1), Deer Park (1) have the highest concentration of Obesity Medicine (Preventive Medicine) providers in Illinois.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Obesity Medicine (Preventive Medicine) in Illinois? Get featured.