Grant Ian Langston
NPI 1891227427ActiveIndividual· Internal Medicine· Butler, PA
Internal Medicine with St Clair Professional Services Inc, practicing in Butler, Pennsylvania. In 2024 Medicare paid $28,299 for 219 patients, and Part D covered 239 of their prescriptions, 88% of them generic. Lists St Clair Hospital as a hospital affiliation.
Overview
| NPI | 1891227427 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 2, 2017 |
| Last updated in NPPES | Jul 8, 2020 |
| Certified by provider | Jul 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD469465 | 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 - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 219 |
|---|---|
| Services billed | 420 across 10 procedure codes |
| Paid by Medicare | $28,299 |
Part D prescriptions in 2024
| Prescriptions (claims) | 239 · 253 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $13,732 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- St Clair Professional Services IncPittsburgh, PA · 80 clinicians
Hospital affiliation
- St Clair HospitalPittsburgh, PA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 internal medicine physicians in Butler · All internal medicine physicians in Pennsylvania