Rickinder Grewal, MD
NPI 1134288871 · Internal Medicine Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rickinder Grewal, MD is a Internal Medicine Physician provider in Anaheim, CA (NPI 1134288871).
Provider details
- NPI number
- 1134288871
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A95224 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefpodoxime Proxetil | 39 | 37 |
| Pantoprazole Sodium | 24 | 14 |
| Prednisone | 24 | 24 |
| Furosemide | 22 | 18 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 17 | 11 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Azithromycin | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-12-03
Frequently asked questions
- What is Rickinder Grewal's NPI number?
- Rickinder Grewal's National Provider Identifier (NPI) is 1134288871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rickinder Grewal's specialty?
- Rickinder Grewal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rickinder Grewal located?
- Rickinder Grewal's practice location on file with NPPES is 441 N Lakeview Ave, Anaheim, CA 92807-3028.
- What is Rickinder Grewal's phone number?
- The practice phone number listed in the NPPES registry for Rickinder Grewal is (888) 988-2800.
- Does Rickinder Grewal accept Medicare?
- Rickinder Grewal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rickinder Grewal's NPI active?
- Yes — Rickinder Grewal's NPI (1134288871) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.