Martha Frances Gerteisen, M.D.
NPI 1942297536ActiveIndividual· Internal Medicine· Pearland, TX
Internal Medicine (M.D.) in Pearland, Texas, trained at Indiana University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $746,481 for 7,641 claims, against $82,243 paid for services in 2024. Novo Nordisk Inc was the largest of 14 companies reporting payments in 2025, $683.93 in all, mostly food and beverage.
Overview
| NPI | 1942297536 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 29, 2005 |
| Last updated in NPPES | Jan 11, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K5539 | TX |
| Pediatrics | 208000000X | K5539 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 1,377 across 31 procedure codes |
| Paid by Medicare | $82,243 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,641 · 17,572 30-day fills |
|---|---|
| Patients | 428 |
| Total drug cost | $746,481 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Tmh Physician Associates PLLCKaty, TX · 1,690 clinicians
Hospital affiliations
- Houston Methodist Clear Lake HospitalNassau Bay, TX
- Houston Methodist HospitalHouston, TX
- Houston Methodist Sugarland HospitalSugar Land, TX
- Houston Methodist West HospitalHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
Other facilities
- Caring Professional Health Services IncHome health agency · Houston, TX
- Signature Health ServicesHome health agency · Baytown, TX
Industry payments (Open Payments)
- 2025$683.93 · 33 payments from 14 companies
- 2024$1,113 · 62 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $120.20 | 5 |
| Pfizer Inc. | $107.74 | 5 |
| Astrazeneca Pharmaceuticals LP | $83.91 | 5 |
| Amgen Inc. | $72.42 | 4 |
| Sanofi-Aventis U.S. LLC | $68.24 | 3 |
What the 2025 payments were for
- Food and Beverage$683.93 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 internal medicine physicians in Pearland · All internal medicine physicians in Texas