Simrunn Girn, MD
NPI 1154826972 · Diagnostic Radiology Physician · Santa Clara, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Simrunn Girn, MD is a Diagnostic Radiology Physician provider in Santa Clara, CA (NPI 1154826972).
Provider details
- NPI number
- 1154826972
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A165867 (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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 300 Pasteur DrStanford, CA 94305-2200Phone: (650) 723-4000
Registry dates
- Enumerated
- 2018-03-25
- Last updated
- 2025-08-08
- Certified
- 2025-08-08
Frequently asked questions
- What is Simrunn Girn's NPI number?
- Simrunn Girn's National Provider Identifier (NPI) is 1154826972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simrunn Girn's specialty?
- Simrunn Girn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Simrunn Girn located?
- Simrunn Girn's practice location on file with NPPES is 700 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Simrunn Girn's phone number?
- The practice phone number listed in the NPPES registry for Simrunn Girn is (408) 851-1000.
- Does Simrunn Girn accept Medicare?
- Simrunn Girn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Simrunn Girn's NPI active?
- Yes — Simrunn Girn's NPI (1154826972) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.