Gary R. Lichtenstein, MD
NPI 1700890720ActiveIndividual· Internal Medicine, Gastroenterology· Philadelphia, PA
Internal Medicine, Gastroenterology (MD) in Philadelphia, Pennsylvania, trained at Icahn School of Medicine at Mount Sinai (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $5,535,194 for 958 claims, against $68,464 paid for services in 2024. Eli Lilly and Company was the largest of 8 companies reporting payments in 2025, $48,364 in all, mostly consulting fees.
Overview
| NPI | 1700890720 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Sep 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD036894E | PA |
| Internal Medicine | 207R00000X | MD036894E | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 363 |
|---|---|
| Services billed | 846 across 27 procedure codes |
| Paid by Medicare | $68,464 |
Part D prescriptions in 2024
| Prescriptions (claims) | 958 · 1,638 30-day fills |
|---|---|
| Patients | 188 |
| Total drug cost | $5,535,194 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- University of Penn - Medical GroupPhiladelphia, PA · 3,505 clinicians
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Penn Presbyterian Medical CenterPhiladelphia, PA
- Pennsylvania HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$48,364 · 41 payments from 8 companies
- 2024$55,019 · 46 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eli Lilly and Company | $11,810 | 4 |
| Merck Sharp & Dohme LLC | $8,954 | 9 |
| Janssen Scientific Affairs, LLC | $7,517 | 16 |
| Celltrion USA Inc. | $6,507 | 5 |
| Lilly USA, LLC | $4,950 | 2 |
What the 2025 payments were for
- Consulting Fee$25,798 · 7 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$11,250 · 3 payments
- Honoraria$5,705 · 1 payment
- Travel and Lodging$5,100 · 14 payments
- Food and Beverage$510.75 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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