John Phillips Lynes
NPI 1225456403ActiveIndividual· Neurological Surgery· Washington, DC
Neurological Surgery with Medstar Medical Group II LLC and 1 other group, practicing in Washington, District of Columbia. Mostly services rather than prescriptions: Medicare paid $87,833 for 196 patients in 2024, with only 20 Part D claims. Baxter Healthcare was the largest of 2 companies reporting payments in 2025, $252.69 in all, mostly food and beverage. Lists Calverthealth Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1225456403 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 3, 2014 |
| Last updated in NPPES | Oct 17, 2024 |
| Certified by provider | Oct 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | MD045634 | DC |
| Neurological Surgery | 207T00000X | 0101275884 | VA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Neurosurgery (DC); Practitioner - Neurosurgery (MD); Practitioner - Neurosurgery (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 419 across 45 procedure codes |
| Paid by Medicare | $87,833 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20 · 20 30-day fills |
|---|---|
| Total drug cost | $290.16 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Sentara Medical GroupNorfolk, VA · 1,408 clinicians
Hospital affiliations
- Calverthealth Medical CenterPrince Frederick, MD
- Medstar Georgetown University HospitalWashington, DC
- Medstar Saint Mary's HospitalLeonardtown, MD
- Sentara Northern Virginia Medical CenterWoodbridge, VA
Industry payments (Open Payments)
- 2025$252.69 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Baxter Healthcare | $206.90 | 5 |
| Medtronic, Inc. | $45.79 | 2 |
What the 2025 payments were for
- Food and Beverage$252.69 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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