Steven Flamm, MD
NPI 1912937244ActiveIndividual· Internal Medicine, Gastroenterology· Chicago, IL
Internal Medicine, Gastroenterology (MD) in Chicago, Illinois, trained at Perelman School of Med at the University of Pennsylvania (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,122,397 for 508 claims, against $31,711 paid for services in 2024. Gilead Sciences, Inc. was the largest of 12 companies reporting payments in 2025, $339,295 in all, mostly speaking and faculty fees.
Overview
| NPI | 1912937244 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2006 |
| Last updated in NPPES | Jul 6, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036092931 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IL); Practitioner - Gastroenterology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 257 across 18 procedure codes |
| Paid by Medicare | $31,711 |
Part D prescriptions in 2024
| Prescriptions (claims) | 508 · 788 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $1,122,397 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Rush University Medical GroupChicago, IL · 1,551 clinicians
- Illinois Gastroenterology Group LLCArlington Heights, IL · 115 clinicians
Hospital affiliations
- Advocate Sherman HospitalElgin, IL
- Community HospitalMunster, IN
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Rush University Medical CenterChicago, IL
Other facilities
- Powers Health Rehabilitation CenterInpatient rehabilitation facility · Crown Point, IN
Industry payments (Open Payments)
- 2025$339,295 · 174 payments from 12 companies
- 2024$209,459 · 153 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $105,497 | 50 |
| Madrigal Pharmaceuticals | $89,304 | 59 |
| Ipsen Biopharmaceuticals, Inc | $69,926 | 24 |
| Novo Nordisk Inc | $39,245 | 12 |
| Intercept Pharmaceuticals, Inc. | $15,258 | 15 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$223,880 · 45 payments
- Consulting Fee$78,162 · 17 payments
- Travel and Lodging$25,303 · 41 payments
- Compensation for serving as faculty or as a speaker for a medical education program$6,200 · 1 payment
- Food and Beverage$5,718 · 69 payments
- Education$32.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Chicago
- 1942795422
- 1265556054
- 1255663662
- 1821326984
- 1548414063
- 1366792426
- 1366562043
- 1417141235
- 1962690495
- 1558346890
- 1780767574
- 1104815018
All Internal Medicine, Gastroenterology providers in Illinois →