Rinku Shrivastava, M.D.
NPI 1225369119 · Family Medicine Physician · Castro Valley, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rinku Shrivastava, M.D. is a Family Medicine Physician provider in Castro Valley, CA (NPI 1225369119).
Provider details
- NPI number
- 1225369119
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A110274 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,778 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 671 | $151 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 165 | $18 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 154 | $19 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 130 | $212 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 130 | $156 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 349 | 111 |
| Amlodipine Besylate | 230 | 79 |
| Losartan Potassium | 197 | 70 |
| Levothyroxine Sodium | 186 | 59 |
| Metoprolol Succinate | 116 | 41 |
| Lisinopril | 105 | 34 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$644 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-01-17
- Last updated
- 2021-01-24
- Certified
- 2021-01-24
Frequently asked questions
- What is Rinku Shrivastava's NPI number?
- Rinku Shrivastava's National Provider Identifier (NPI) is 1225369119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rinku Shrivastava's specialty?
- Rinku Shrivastava is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rinku Shrivastava located?
- Rinku Shrivastava's practice location on file with NPPES is 19845 Lake Chabot Rd Ste 205, Castro Valley, CA 94546-4055.
- What is Rinku Shrivastava's phone number?
- The practice phone number listed in the NPPES registry for Rinku Shrivastava is (510) 582-6424.
- Does Rinku Shrivastava accept Medicare?
- Rinku Shrivastava is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rinku Shrivastava's NPI active?
- Yes — Rinku Shrivastava's NPI (1225369119) is active in the NPPES registry as of the last update on 2021-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.