Navraj Grewal, MD
NPI 1659348050 · Diagnostic Radiology Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Navraj Grewal, MD is a Diagnostic Radiology Physician provider in Loma Linda, CA (NPI 1659348050).
Provider details
- NPI number
- 1659348050
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A65442 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-03
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Navraj Grewal's NPI number?
- Navraj Grewal's National Provider Identifier (NPI) is 1659348050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Navraj Grewal's specialty?
- Navraj Grewal is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Navraj Grewal located?
- Navraj Grewal's practice location on file with NPPES is 11201 Benton St, Loma Linda, CA 92357.
- What is Navraj Grewal's phone number?
- The practice phone number listed in the NPPES registry for Navraj Grewal is (909) 488-6032.
- Does Navraj Grewal accept Medicare?
- Navraj Grewal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Navraj Grewal's NPI active?
- Yes — Navraj Grewal's NPI (1659348050) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.