Roy William Langley, M.D.
NPI 1750394755ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fairfax, VA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Privia Medical Group, LLC, practicing in Fairfax, Virginia. Their prescriptions cost Medicare Part D more than their services did: $708,934 for 1,882 claims, against $33,225 paid for services in 2024. Dexcom, Inc. was the largest of 4 companies reporting payments in 2025, $149.84 in all, mostly food and beverage.
Overview
| NPI | 1750394755 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Sep 17, 2025 |
| Certified by provider | Sep 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 0101236752 | VA |
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 - Endocrinology (DC); Practitioner - Endocrinology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 654 across 8 procedure codes |
| Paid by Medicare | $33,225 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,882 · 4,906 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $708,934 |
| Generic share | 48% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Privia Medical Group, LLCFairfax, VA · 1,533 clinicians
Industry payments (Open Payments)
- 2025$149.84 · 6 payments from 4 companies
- 2024$24.11 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $68.33 | 2 |
| Amphastar Pharmaceuticals, Inc. | $37.03 | 2 |
| Sequel Med Tech, LLC | $28.21 | 1 |
| Novo Nordisk Inc | $16.27 | 1 |
What the 2025 payments were for
- Food and Beverage$133.57 · 5 payments
- Education$16.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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