John Michael Halphen Sr., M.D.
NPI 1639289978ActiveIndividual· Family Medicine, Geriatric Medicine· Bellaire, TX
Family Medicine, Geriatric Medicine (M.D.) in Bellaire, Texas, trained at University of Texas Medical School at San Antonio (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $57,684 for 757 claims, against $19,953 paid for services in 2024. Boston Scientific Corporation reported $19.83 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1639289978 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Jun 7, 2025 |
| Certified by provider | Jun 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Geriatric Medicine Primary | 207QG0300X | K3583 | TX |
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 - Geriatric Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 186 across 18 procedure codes |
| Paid by Medicare | $19,953 |
Part D prescriptions in 2024
| Prescriptions (claims) | 757 · 1,711 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $57,684 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | Internal Medicine |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Industry payments (Open Payments)
- 2025$19.83 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $19.83 | 1 |
What the 2025 payments were for
- Food and Beverage$19.83 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine, Geriatric Medicine providers in Bellaire
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