Srinivas Mahesh Katta, MD
NPI 1841428752ActiveIndividual· Internal Medicine, Nephrology· Muskogee, OK
Internal Medicine, Nephrology (MD) with Integris Ambulatory Care Corporation and 1 other group, practicing in Muskogee, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $221,678 for 1,874 claims, against $43,327 paid for services in 2024. Akebia Therapeutics Inc was the largest of 8 companies reporting payments in 2025, $183.12 in all, mostly food and beverage. Lists Cherokee Nation W W Hastings Indian Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1841428752 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 30, 2009 |
| Last updated in NPPES | Aug 25, 2023 |
| Certified by provider | Aug 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 30949 | OK |
| Internal Medicine | 207R00000X | 30949 | OK |
| Internal Medicine | 207R00000X | MD61441562 | WA |
| Internal Medicine, Nephrology | 207RN0300X | 2012011844 | MO |
| Hospitalist | 208M00000X | 2020041626 | MO |
| Hospitalist | 208M00000X | 27938 | NE |
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 (IA); Practitioner - Internal Medicine (IL); Practitioner - Nephrology (NE); Practitioner - Nephrology (OK); Practitioner - Internal Medicine (TN); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 435 across 21 procedure codes |
| Paid by Medicare | $43,327 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,874 · 3,816 30-day fills |
|---|---|
| Patients | 326 |
| Total drug cost | $221,678 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical groups
- Integris Ambulatory Care CorporationSpencer, OK · 685 clinicians
- Comanche County Healthcare CorporationLawton, OK · 130 clinicians
Hospital affiliations
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Duncan Regional Hospital, IncDuncan, OK
- Memorial HealthLawton, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Wagoner Community HospitalWagoner, OK
Other facilities
- Ara - Lawton DialysisDialysis facility · Lawton, OK
- Ara - Lawton Dialysis EastDialysis facility · Lawton, OK
- Fmcna - MuskogeeDialysis facility · Muskogee, OK
- Comanche County Hospital AuthorityInpatient rehabilitation facility · Lawton, OK
Industry payments (Open Payments)
- 2025$183.12 · 9 payments from 8 companies
- 2024$43.94 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Akebia Therapeutics Inc | $41.24 | 2 |
| Ucb, Inc. | $27.36 | 1 |
| Opko Pharmaceuticals, LLC | $24.47 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $24.30 | 1 |
| Rigel Pharmaceuticals, Inc. | $21.00 | 1 |
What the 2025 payments were for
- Food and Beverage$183.12 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Muskogee
- 1932210192