Guruprasad Manjunath, M.D.
NPI 1386640530ActiveIndividual· Internal Medicine, Nephrology· Oklahoma City, OK
Internal Medicine, Nephrology (M.D.) with Integris Ambulatory Care Corporation and 1 other group, practicing in Oklahoma City, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $384,814 for 2,069 claims, against $249,035 paid for services in 2024. Amgen Inc. was the largest of 3 companies reporting payments in 2025, $126.13 in all, mostly food and beverage. Lists Integris Baptist Medical Center, Inc and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1386640530 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 22, 2005 |
| Last updated in NPPES | Jul 28, 2026 |
| Certified by provider | Jul 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 27494 | 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 | 517 |
|---|---|
| Services billed | 4,514 across 26 procedure codes |
| Paid by Medicare | $249,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,069 · 4,685 30-day fills |
|---|---|
| Patients | 325 |
| Total drug cost | $384,814 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Integris Ambulatory Care CorporationSpencer, OK · 685 clinicians
- Kidney Specialists of Central Oklahoma, PCOklahoma City, OK · 18 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Integris Canadian Valley HospitalYukon, OK
- Integris Health Edmond HospitalEdmond, OK
- Integris Health Enid HospitalEnid, OK
- Integris Southwest Medical CenterOklahoma City, OK
Other facilities
- Fkc - Lake Hefner DialysisDialysis facility · Warr Acres, OK
- Fmcna - Yukon JvDialysis facility · Yukon, OK
- Select Specialty Hospital - Oklahoma City, IncLong-term care hospital · Oklahoma City, OK
Industry payments (Open Payments)
- 2025$126.13 · 5 payments from 3 companies
- 2024$94.67 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $61.24 | 3 |
| Calliditas Therapeutics US Inc. | $43.93 | 1 |
| Novartis Pharmaceuticals Corporation | $20.96 | 1 |
What the 2025 payments were for
- Food and Beverage$126.13 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 nephrologists in Oklahoma City · All nephrologists in Oklahoma