Olga Brushaber, DO
NPI 1306259627ActiveIndividual· Internal Medicine, Gastroenterology· Farmington Hills, MI
Internal Medicine, Gastroenterology (DO) with South Oakland Gastroenterology Associates PC, practicing in Farmington Hills, Michigan. Their prescriptions cost Medicare Part D more than their services did: $1,047,493 for 1,251 claims, against $103,613 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $2,099 in all, mostly food and beverage. Lists Ascension Providence Hospital, Southfield and Novi and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1306259627 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jun 4, 2014 |
| Last updated in NPPES | Mar 6, 2026 |
| Certified by provider | Mar 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 5101021269 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 471 |
|---|---|
| Services billed | 1,009 across 44 procedure codes |
| Paid by Medicare | $103,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,251 · 2,071 30-day fills |
|---|---|
| Patients | 354 |
| Total drug cost | $1,047,493 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- South Oakland Gastroenterology Associates PCFarmington Hills, MI · 6 clinicians
Hospital affiliations
- Ascension Providence Hospital, Southfield and NoviSouthfield, MI
- Beaumont Hospital - DearbornDearborn, MI
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Huron Valley-Sinai HospitalCommerce Township, MI
Industry payments (Open Payments)
- 2025$2,099 · 82 payments from 16 companies
- 2024$2,512 · 88 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $761.62 | 31 |
| Janssen Biotech, Inc. | $266.56 | 10 |
| Takeda Pharmaceuticals U.S.A., Inc. | $157.81 | 5 |
| Pfizer Inc. | $148.23 | 7 |
| Regeneron Healthcare Solutions, Inc. | $139.92 | 2 |
What the 2025 payments were for
- Food and Beverage$2,000 · 81 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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