Billie J. Barker, MD
NPI 1952307951ActiveIndividual· Internal Medicine, Critical Care Medicine· Pittsburgh, PA
Internal Medicine, Critical Care Medicine (MD) in Pittsburgh, Pennsylvania, trained at Medical College of Ohio (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $160,287 for 407 claims, against $48,251 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 6 companies reporting payments in 2025, $7,167 in all, mostly speaking and faculty fees.
Overview
| NPI | 1952307951 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2005 |
| Last updated in NPPES | Feb 25, 2026 |
| Certified by provider | Feb 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | MD435906 | PA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 0101238720 | VA |
| Internal Medicine | 207R00000X | 21205 | WV |
| Internal Medicine, Pulmonary Disease | 207RP1001X | MD435906 | PA |
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 - Pulmonary Disease (PA); Practitioner - Pulmonary Disease (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 240 |
|---|---|
| Services billed | 603 across 31 procedure codes |
| Paid by Medicare | $48,251 |
Part D prescriptions in 2024
| Prescriptions (claims) | 407 · 501 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $160,287 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Allegheny ClinicPittsburgh, PA · 2,389 clinicians
Hospital affiliations
- Ahn Wexford HospitalWexford, PA
- Allegheny General HospitalPittsburgh, PA
- Allegheny Valley HospitalNatrona, PA
- Canonsburg General HospitalCanonsburg, PA
- West Penn HospitalPittsburgh, PA
Industry payments (Open Payments)
- 2025$7,167 · 24 payments from 6 companies
- 2024$161.03 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $6,825 | 17 |
| Regeneron Pharmaceuticals, Inc. | $137.50 | 1 |
| Sanofi-Aventis U.S. LLC | $99.95 | 1 |
| Astrazeneca Pharmaceuticals LP | $61.67 | 3 |
| Genzyme Corporation | $23.98 | 1 |
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$6,500 · 3 payments
- Food and Beverage$566.74 · 20 payments
- Education$99.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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