Narayana Sriman Ambati, M.D.
NPI 1174528178ActiveIndividual· Urology· Fresno, CA
Urology (M.D.) with Urology Associates of Central California Medical Group Inc, practicing in Fresno, California. Their prescriptions cost Medicare Part D more than their services did: $907,374 for 2,607 claims, against $361,525 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 19 companies reporting payments in 2025, $766.73 in all, mostly food and beverage. Lists Clovis Community Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1174528178 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2005 |
| Last updated in NPPES | May 30, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | C416810 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 917 |
|---|---|
| Services billed | 26,255 across 77 procedure codes |
| Paid by Medicare | $361,525 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,607 · 5,887 30-day fills |
|---|---|
| Patients | 565 |
| Total drug cost | $907,374 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1968 |
|---|---|
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Urology Associates of Central California Medical Group IncFresno, CA · 11 clinicians
Hospital affiliations
- Clovis Community Medical CenterClovis, CA
- Community Regional Medical CenterFresno, CA
- Kaweah Health Medical CenterVisalia, CA
- Saint Agnes Medical CenterFresno, CA
Industry payments (Open Payments)
- 2025$766.73 · 32 payments from 19 companies
- 2024$831.17 · 40 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $82.76 | 3 |
| Janssen Biotech, Inc. | $72.04 | 3 |
| Tempus Ai, Inc | $63.62 | 3 |
| Sumitomo Pharma America, Inc. | $61.47 | 3 |
| Blue Earth Diagnostics | $57.48 | 2 |
What the 2025 payments were for
- Food and Beverage$766.73 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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