Shubha Ananthakrishnan, MD
NPI 1275633869ActiveIndividual· Internal Medicine, Nephrology· Sacramento, CA
Internal Medicine, Nephrology (MD) with Regents of the Univ of Ca and 1 other group, practicing in Sacramento, California. Their prescriptions cost Medicare Part D more than their services did: $435,597 for 985 claims, against $120,344 paid for services in 2024. Vantive US Healthcare LLC reported $26.92 in payments in 2025, mostly food and beverage. Lists University of California Davis Medical Center as a hospital affiliation.
Overview
| NPI | 1275633869 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 23, 2006 |
| Last updated in NPPES | Nov 8, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A81348 | CA |
| Internal Medicine, Nephrology | 207RN0300X | MD26944 | OR |
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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 375 |
|---|---|
| Services billed | 1,357 across 25 procedure codes |
| Paid by Medicare | $120,344 |
Part D prescriptions in 2024
| Prescriptions (claims) | 985 · 1,908 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $435,597 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
- Regents of the University of CaliforniaSacramento, CA · 567 clinicians
Hospital affiliation
- University of California Davis Medical CenterSacramento, CA
Other facilities
- Dci University Dialysis ClinicDialysis facility · Sacramento, CA
- Davita Arena DialysisDialysis facility · Sacramento, CA
- Davita West Sacramento Dialysis CenterDialysis facility · West Sacramento, CA
- Southgate DialysisDialysis facility · Sacramento, CA
Industry payments (Open Payments)
- 2025$26.92 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vantive US Healthcare LLC | $26.92 | 1 |
What the 2025 payments were for
- Food and Beverage$26.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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