Naveen Kakumanu, MD
NPI 1083893838ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fremont, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Sutter Bay Medical Foundation, practicing in Fremont, California. Their prescriptions cost Medicare Part D more than their services did: $1,160,919 for 2,001 claims, against $73,191 paid for services in 2024. Lists Washington Hospital as a hospital affiliation.
Overview
| NPI | 1083893838 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 29, 2007 |
| Last updated in NPPES | Jun 3, 2020 |
| Certified by provider | Jun 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 163037 | CA |
| Internal Medicine | 207R00000X | 4301086526 | MI |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 4301086526 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 338 |
|---|---|
| Services billed | 767 across 10 procedure codes |
| Paid by Medicare | $73,191 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,001 · 4,769 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $1,160,919 |
| Generic share | 43% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Washington HospitalFremont, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Fremont
- 1942553391
- 1588059661
- 1265752380
- 1235163866
- 1295780542
- 1619061033
- 1780115865
- 1144575945
- 1003002049
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in California →