Sarah Lynn Oberste, D.O
NPI 1952614091ActiveIndividual· Internal Medicine, Gastroenterology· Muskogee, OK
Internal Medicine, Gastroenterology (D.O) in Muskogee, Oklahoma, trained at Oklahoma State University College of Osteopathic Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $371,970 for 587 claims, against $67,817 paid for services in 2024. Boston Scientific Corporation was the largest of 9 companies reporting payments in 2025, $337.39 in all, mostly food and beverage.
Overview
| NPI | 1952614091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O |
| Sole proprietor | No |
| NPI issued | Jul 19, 2010 |
| Last updated in NPPES | Jan 7, 2026 |
| Certified by provider | Jan 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4795 | OK |
| Internal Medicine | 207R00000X | 4795 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 370 |
|---|---|
| Services billed | 849 across 39 procedure codes |
| Paid by Medicare | $67,817 |
Part D prescriptions in 2024
| Prescriptions (claims) | 587 · 788 30-day fills |
|---|---|
| Patients | 256 |
| Total drug cost | $371,970 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical groups
- Warren Clinic IncTulsa, OK · 883 clinicians
- Northeastern Health SystemTahlequah, OK · 103 clinicians
- Mercy Hospital Oklahoma City, IncOklahoma City, OK · 37 clinicians
Hospital affiliations
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- McAlester Regional Health CenterMcAlester, OK
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
- Northeastern Health SystemTahlequah, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
Industry payments (Open Payments)
- 2025$337.39 · 14 payments from 9 companies
- 2024$151.90 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $117.67 | 1 |
| Phathom Pharmaceuticals, Inc. | $58.45 | 4 |
| Janssen Biotech, Inc. | $33.04 | 2 |
| Abbvie Inc. | $32.98 | 2 |
| Ipsen Biopharmaceuticals, Inc | $22.33 | 1 |
What the 2025 payments were for
- Food and Beverage$337.39 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Muskogee
- 1740276955
- 1770579989
- 1811971153
- 1922372812
- 1942756945