Rinku Shrivastava, M.D.
Family Medicine Physician · Castro Valley, CA
Rinku Shrivastava, M.D. is a family medicine physician with a practice address in Castro Valley, California, and NPI 1225369119, issued on Jan 17, 2010. Check the license (California A110274, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rinku Shrivastava
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A110274 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19845 Lake Chabot RD Ste 205, Castro Valley, CA 94546
- Phone
- (510) 582-6424
- Enumerated
- Jan 17, 2010
- Record last updated
- Jan 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (510) 582-6462
- Medicare enrollment
- Enrolled (PECOS I20130613000561); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 19845 Lake Chabot RD Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina Cu-Unjieng, PT, DPTPhysical Therapist1003214032
- Inna Lipkind, NPNurse Practitioner1407563331
- Parminder SidhuFamily Nurse Practitioner1225786049
- Xi Zhai, DOFamily Medicine Physician1083148050
Verify Rinku Shrivastava in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average family medicine physician in 2024
3,614 Medicare Part D claims for 326 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 29 claims were for opioids.
Most prescribed
- Atorvastatin Calcium349 claims
- Amlodipine Besylate230 claims
- Losartan Potassium197 claims
- Levothyroxine Sodium186 claims
- Metoprolol Succinate116 claims
- Lisinopril105 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $643.93
26 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Chabot Family Associates IncCastro Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rinku Shrivastava among 17,133 family medicine physician records in California
Rinku Shrivastava, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family medicine physician records list a practice address in Castro Valley
They are 22 of the 999 NPPES records with a practice address in Castro Valley, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Castro Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ahmad Ayoubi, M.D., M.SCastro Valley, CA 945461992926075
- Huong Dang, MDCastro Valley, CA 945461417390071
- Elmer Jason Grande, MDCastro Valley, CA 945461235323007
- Peter Hein, MDCastro Valley, CA 945461497803282
- Bhoomika Kamath, M.D.Castro Valley, CA 945461295991354
- Jaya Karnani, MDCastro Valley, CA 945461457309783
- Genevieve King, M. D.Castro Valley, CA 945461861561243
- Christopher Moore, MDCastro Valley, CA 945461437417029
Common questions
What is Rinku Shrivastava, M.D.'s NPI number?
Rinku Shrivastava, M.D.'s National Provider Identifier (NPI) is 1225369119, issued on Jan 17, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rinku Shrivastava, M.D. located?
The NPPES record lists a practice address at 19845 Lake Chabot RD Ste 205, Castro Valley, CA, 94546. Phone: (510) 582-6424. Providers update this record themselves, so call before visiting.
How can I verify Rinku Shrivastava, M.D.'s license?
NPPES lists California license number A110274, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rinku Shrivastava, M.D. prescribe under Medicare Part D?
In 2024, Rinku Shrivastava, M.D. had 3,614 Medicare Part D claims for 326 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.