Neil Robert Greenspan, M.D.
NPI 1023007556ActiveIndividual· Internal Medicine, Gastroenterology· Providence, RI
Internal Medicine, Gastroenterology (M.D.) in Providence, Rhode Island, trained at Columbia University College of Physicians and Surgeons (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $637,441 for 847 claims, against $91,189 paid for services in 2024. Novo Nordisk Inc reported $16.88 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1023007556 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2005 |
| Last updated in NPPES | Oct 15, 2025 |
| Certified by provider | Oct 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 07758 | RI |
| Internal Medicine | 207R00000X | 07758 | RI |
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 (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 300 |
|---|---|
| Services billed | 2,061 across 55 procedure codes |
| Paid by Medicare | $91,189 |
Part D prescriptions in 2024
| Prescriptions (claims) | 847 · 1,458 30-day fills |
|---|---|
| Patients | 435 |
| Total drug cost | $637,441 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Gastroenterology |
Medical group
- University Gastroenterology, LLCProvidence, RI · 102 clinicians
Hospital affiliations
- Rhode Island HospitalProvidence, RI
- The Miriam HospitalProvidence, RI
Industry payments (Open Payments)
- 2025$16.88 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $16.88 | 1 |
What the 2025 payments were for
- Food and Beverage$16.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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