Partha S. Nandi, MD
NPI 1184605206ActiveIndividual· Internal Medicine, Gastroenterology· Troy, MI
Internal Medicine, Gastroenterology (MD) in Troy, Michigan, trained at Wayne State University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $846,587 for 2,202 claims, against $180,645 paid for services in 2024. Lilly USA, LLC was the largest of 10 companies reporting payments in 2025, $139,989 in all, mostly speaking and faculty fees.
Overview
| NPI | 1184605206 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 7, 2005 |
| Last updated in NPPES | Feb 12, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4301062183 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 563 |
|---|---|
| Services billed | 3,953 across 54 procedure codes |
| Paid by Medicare | $180,645 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,202 · 4,710 30-day fills |
|---|---|
| Patients | 625 |
| Total drug cost | $846,587 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Troy Gastroenterology PCRochester Hills, MI · 49 clinicians
Hospital affiliations
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Industry payments (Open Payments)
- 2025$139,989 · 201 payments from 10 companies
- 2024$222,203 · 328 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $98,328 | 128 |
| Phathom Pharmaceuticals, Inc. | $36,687 | 42 |
| Madrigal Pharmaceuticals | $4,390 | 4 |
| Abbvie Inc. | $183.00 | 9 |
| Janssen Biotech, Inc. | $161.17 | 8 |
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$113,910 · 51 payments
- Travel and Lodging$14,094 · 70 payments
- Consulting Fee$9,243 · 3 payments
- Food and Beverage$2,717 · 76 payments
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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