Swarnalaxmi Umapathy, MD
NPI 1104480656ActiveIndividual· Internal Medicine, Nephrology· Tulsa, OK
Internal Medicine, Nephrology (MD) with Warren Clinic Inc, practicing in Tulsa, Oklahoma. In 2024 Medicare paid $33,932 for 155 patients, and Part D covered 88 of their prescriptions, 83% of them generic. Bayer Healthcare Pharmaceuticals Inc. was the largest of 16 companies reporting payments in 2025, $926.69 in all, mostly food and beverage. Lists Saint Francis Hospital Muskogee and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1104480656 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 30, 2019 |
| Last updated in NPPES | Jul 3, 2024 |
| Certified by provider | Jul 3, 2024 |
| Reactivated | Mar 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 42999 | 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 - Nephrology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 155 |
|---|---|
| Services billed | 410 across 12 procedure codes |
| Paid by Medicare | $33,932 |
Part D prescriptions in 2024
| Prescriptions (claims) | 88 · 190 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $16,682 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Warren Clinic IncTulsa, OK · 883 clinicians
Hospital affiliations
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital Vinita, IncVinita, OK
- Saint Francis Hospital, IncTulsa, OK
Other facilities
- Fresenius Medical Care South TulsaDialysis facility · Tulsa, OK
Industry payments (Open Payments)
- 2025$926.69 · 52 payments from 16 companies
- 2024$494.14 · 21 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $176.00 | 12 |
| Amgen Inc. | $149.01 | 10 |
| Travere Therapeutics, Inc. | $125.96 | 7 |
| Otsuka America Pharmaceutical, Inc. | $97.29 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $58.77 | 3 |
What the 2025 payments were for
- Food and Beverage$926.69 · 52 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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