Ernest James Martin Kahn, D.O.
NPI 1730475955ActiveIndividual· Internal Medicine· Austin, TX
Internal Medicine (D.O.) in Austin, Texas, trained at University of North Texas Hsc, College of Osteopathic Med (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $565,612 for 7,172 claims, against $79,480 paid for services in 2024. Novo Nordisk Inc was the largest of 15 companies reporting payments in 2025, $874.62 in all, mostly food and beverage.
Overview
| NPI | 1730475955 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jun 27, 2011 |
| Last updated in NPPES | Jan 24, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | R0424 | TX |
| Internal Medicine | 207R00000X | 13366 | CA |
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 | 387 |
|---|---|
| Services billed | 1,136 across 58 procedure codes |
| Paid by Medicare | $79,480 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,172 · 7,514 30-day fills |
|---|---|
| Patients | 465 |
| Total drug cost | $565,612 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Hospitalist Medicine Physicians of Texas PLLCHumble, TX · 686 clinicians
- Hospital Internists of Texas LLCAustin, TX · 47 clinicians
- Healthdrive Medical Services of Texas LLCFort Worth, TX · 42 clinicians
- Healthdrive Medical Services Southeast LLCGreat Falls, MT · 29 clinicians
Hospital affiliations
- Hill Country Memorial HospitalFredericksburg, TX
- St David's Medical CenterAustin, TX
Other facilities
- Vitalcaring GroupHome health agency · Temple, TX
- Hospice AustinHospice · Austin, TX
- Sonder HospiceHospice · Austin, TX
- Avir at Johnson CityNursing home · Johnson City, TX
- Brush Country Nursing and RehabilitationNursing home · Austin, TX
- Heritage Park Rehabilitation and Skilled Nursing CNursing home · Austin, TX
- West Oaks Nursing and Rehabilitation CenterNursing home · Austin, TX
Industry payments (Open Payments)
- 2025$874.62 · 43 payments from 15 companies
- 2024$267.71 · 13 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $197.54 | 9 |
| Pfizer Inc. | $160.76 | 7 |
| Lilly USA, LLC | $92.39 | 4 |
| Glaxosmithkline, LLC. | $79.53 | 4 |
| Astrazeneca Pharmaceuticals LP | $77.88 | 5 |
What the 2025 payments were for
- Food and Beverage$874.62 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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