Gregg A. Workman, MD
NPI 1447223516ActiveIndividual· Family Medicine· Brenham, TX
Family Medicine (MD) in Brenham, Texas, trained at University of Texas Medical School at Houston (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $298,816 for 4,810 claims, against $17,700 paid for services in 2024. Novo Nordisk Inc was the largest of 8 companies reporting payments in 2025, $337.86 in all, mostly food and beverage.
Overview
| NPI | 1447223516 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 9, 2006 |
| Last updated in NPPES | Dec 7, 2023 |
| Certified by provider | Dec 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | L5187 | TX |
| Family Medicine, Addiction Medicine | 207QA0401X | H66161 | 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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 119 |
|---|---|
| Services billed | 279 across 23 procedure codes |
| Paid by Medicare | $17,700 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,810 · 9,258 30-day fills |
|---|---|
| Patients | 382 |
| Total drug cost | $298,816 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Family Practice |
| Secondary specialties | Obstetrics/Gynecology |
Medical group
- Brenham Family Practice and Obstetrics PA.Brenham, TX · 6 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center- College StatiCollege Station, TX
- Chi St Joseph Health Regional HospitalBryan, TX
Other facilities
- Accentcare Home Health of College StationHome health agency · College Station, TX
- Hospice Brazos Valley IncHospice · Bryan, TX
Industry payments (Open Payments)
- 2025$337.86 · 15 payments from 8 companies
- 2024$67.55 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $155.90 | 7 |
| Pfizer Inc. | $59.81 | 2 |
| Abbvie Inc. | $29.73 | 1 |
| Dexcom, Inc. | $26.63 | 1 |
| Cranial Technologies, Inc | $19.11 | 1 |
What the 2025 payments were for
- Food and Beverage$337.86 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 family medicine physicians in Brenham · All family medicine physicians in Texas