Robert A. Shaffer, M.D.
NPI 1528002151ActiveIndividual· Internal Medicine, Gastroenterology· Birmingham, AL
Internal Medicine, Gastroenterology (M.D.) in Birmingham, Alabama, trained at University of Alabama School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,720,839 for 2,859 claims, against $86,381 paid for services in 2024. Genzyme Corporation was the largest of 19 companies reporting payments in 2025, $248,362 in all, mostly speaking and faculty fees.
Overview
| NPI | 1528002151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Dec 4, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 26010 | AL |
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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 435 |
|---|---|
| Services billed | 1,267 across 51 procedure codes |
| Paid by Medicare | $86,381 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,859 · 4,690 30-day fills |
|---|---|
| Patients | 916 |
| Total drug cost | $1,720,839 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
Medical group
- Gastroenterology Associates of North-Central Alabama IncBirmingham, AL · 94 clinicians
Hospital affiliation
- St. Vincent's EastBirmingham, AL
Industry payments (Open Payments)
- 2025$248,362 · 281 payments from 19 companies
- 2024$299,050 · 333 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $77,834 | 54 |
| Phathom Pharmaceuticals, Inc. | $57,315 | 49 |
| Lilly USA, LLC | $34,086 | 38 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $25,847 | 46 |
| Madrigal Pharmaceuticals | $22,437 | 21 |
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$214,952 · 60 payments
- Travel and Lodging$18,646 · 79 payments
- Food and Beverage$6,190 · 138 payments
- Consulting Fee$4,956 · 2 payments
- Honoraria$3,618 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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