Glenn Thomas Orsak, M.D.
NPI 1174528822ActiveIndividual· Family Medicine· Friendswood, TX
Family Medicine (M.D.) in Friendswood, Texas, trained at University of Texas Medical Branch at Galveston (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $419,143 for 4,782 claims, against $142,120 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $2,020 in all, mostly food and beverage.
Overview
| NPI | 1174528822 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 18, 2005 |
| Last updated in NPPES | Aug 13, 2020 |
| Certified by provider | Aug 13, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | J7827 | 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 | 274 |
|---|---|
| Services billed | 3,311 across 43 procedure codes |
| Paid by Medicare | $142,120 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,782 · 12,155 30-day fills |
|---|---|
| Patients | 317 |
| Total drug cost | $419,143 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Family Practice |
Medical group
- Orsak Medical AssociationFriendswood, TX · 3 clinicians
Hospital affiliations
- HCA Houston Healthcare Clear LakeWebster, TX
- Memorial Hermann Hospital SystemHouston, TX
Industry payments (Open Payments)
- 2025$2,020 · 71 payments from 20 companies
- 2024$1,381 · 69 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $636.60 | 31 |
| Novo Nordisk Inc | $285.12 | 8 |
| Astrazeneca Pharmaceuticals LP | $227.15 | 4 |
| Pfizer Inc. | $155.57 | 7 |
| Jazz Pharmaceuticals Inc. | $126.11 | 1 |
What the 2025 payments were for
- Food and Beverage$1,921 · 70 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 family medicine physicians in Friendswood · All family medicine physicians in Texas