Kelly L. Wirfel, M.D.
NPI 1659387561ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Bellaire, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Bellaire, Texas, trained at University of New Mexico School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $2,051,398 for 5,151 claims, against $41,169 paid for services in 2024. Amgen Inc. was the largest of 7 companies reporting payments in 2025, $1,044 in all, mostly food and beverage.
Overview
| NPI | 1659387561 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | Jan 16, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | K2140 | 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 - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 342 |
|---|---|
| Services billed | 1,111 across 31 procedure codes |
| Paid by Medicare | $41,169 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,151 · 12,045 30-day fills |
|---|---|
| Patients | 577 |
| Total drug cost | $2,051,398 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | University of New Mexico School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
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$1,044 · 11 payments from 7 companies
- 2024$2,435 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $258.58 | 4 |
| Ascendis Pharma Endocrinology Inc | $252.99 | 2 |
| Corcept Therapeutics | $147.17 | 1 |
| Sanofi-Aventis U.S. LLC | $136.40 | 1 |
| Neurocrine Biosciences, Inc. | $115.72 | 1 |
What the 2025 payments were for
- Food and Beverage$1,044 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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