Barbara A. Clark, MD
NPI 1245230663ActiveIndividual· Internal Medicine, Nephrology· Pittsburgh, PA
Internal Medicine, Nephrology (MD) in Pittsburgh, Pennsylvania, trained at West Virginia University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $196,144 for 1,515 claims, against $34,785 paid for services in 2024. Fresenius USA Marketing, Inc. reported $19.89 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1245230663 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 28, 2005 |
| Last updated in NPPES | Jun 17, 2024 |
| Certified by provider | Jun 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD061673L | 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 - Nephrology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 80 |
|---|---|
| Services billed | 222 across 9 procedure codes |
| Paid by Medicare | $34,785 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,515 · 3,304 30-day fills |
|---|---|
| Patients | 215 |
| Total drug cost | $196,144 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | West Virginia University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Allegheny ClinicPittsburgh, PA · 2,389 clinicians
Hospital affiliations
- Ahn Wexford HospitalWexford, PA
- Allegheny General HospitalPittsburgh, PA
- Heritage Valley BeaverBeaver, PA
- West Penn HospitalPittsburgh, PA
Other facilities
- Davita Northside DialysisDialysis facility · Pittsburgh, PA
Industry payments (Open Payments)
- 2025$19.89 · 1 payment from 1 company
- 2024$107.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $19.89 | 1 |
What the 2025 payments were for
- Food and Beverage$19.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 78 nephrologists in Pittsburgh · All nephrologists in Pennsylvania