Rinku Shrivastava, M.D.
NPI 1225369119ActiveIndividual· Family Medicine· Castro Valley, CA
Family Medicine (M.D.) with Chabot Family Associates Inc, practicing in Castro Valley, California. Their prescriptions cost Medicare Part D more than their services did: $406,234 for 3,614 claims, against $164,066 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 10 companies reporting payments in 2025, $768.68 in all, mostly food and beverage. Lists Eden Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1225369119 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 17, 2010 |
| Last updated in NPPES | Jan 24, 2021 |
| Certified by provider | Jan 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A110274 | CA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 210 |
|---|---|
| Services billed | 2,956 across 51 procedure codes |
| Paid by Medicare | $164,066 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,614 · 8,914 30-day fills |
|---|---|
| Patients | 326 |
| Total drug cost | $406,234 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Chabot Family Associates IncCastro Valley, CA · 2 clinicians
Hospital affiliations
- Eden Medical CenterCastro Valley, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Other facilities
- A1 Pro Home Health Inc.Home health agency · San Leandro, CA
- Careplus Home Health Care Services, IncHome health agency · Livermore, CA
- Crossroads Home Health & HospiceHome health agency · San Francisco, CA
Industry payments (Open Payments)
- 2025$768.68 · 33 payments from 10 companies
- 2024$643.93 · 27 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $117.20 | 4 |
| Astrazeneca Pharmaceuticals LP | $116.13 | 5 |
| Novo Nordisk Inc | $107.41 | 5 |
| Kowa Pharmaceuticals America, Inc. | $96.10 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $92.95 | 4 |
What the 2025 payments were for
- Food and Beverage$768.68 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Castro Valley
- 1376182402
- 1437417029
- 1457309783
- 1659807154
- 1750389698
- 1992926075
- 1497803282
- 1184038895
- 1235323007
- 1295991354
- 1326097411
- 1417390071
All 25 family medicine physicians in Castro Valley · All family medicine physicians in California