Steven Landgarten, MD
NPI 1295772580ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Tulsa, OK
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Tulsa, Oklahoma, trained at State University of Ny Upstate Medical University (class of 1966). Their prescriptions cost Medicare Part D more than their services did: $850,475 for 2,246 claims, against $43,343 paid for services in 2024. Insulet Corporation was the largest of 2 companies reporting payments in 2025, $102.15 in all, mostly food and beverage.
Overview
| NPI | 1295772580 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | Jan 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 9623 | OK |
| Internal Medicine | 207R00000X | 9623 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 888 |
|---|---|
| Services billed | 1,439 across 68 procedure codes |
| Paid by Medicare | $43,343 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,246 · 4,860 30-day fills |
|---|---|
| Patients | 309 |
| Total drug cost | $850,475 |
| Generic share | 38% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1966 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Endocrinology |
Medical group
- Ahs Oklahoma Physician Group LLCTulsa, OK · 313 clinicians
Hospital affiliations
- Ascension St John Jane PhillipsBartlesville, OK
- Hillcrest Hospital ClaremoreClaremore, OK
- Hillcrest Hospital PryorPryor, OK
- Hillcrest Hospital SouthTulsa, OK
- Hillcrest Medical CenterTulsa, OK
Industry payments (Open Payments)
- 2025$102.15 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insulet Corporation | $77.41 | 1 |
| Abbott Laboratories | $24.74 | 2 |
What the 2025 payments were for
- Food and Beverage$102.15 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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