Individual provider Active NPI

Simrunn Singh Girn, MD

  • Diagnostic Radiology Physician
  • Santa Clara, CA
National Provider Identifier
1154826972
Registry record updated Aug 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
A165867 Issued in CA
Practice address
700 Lawrence Expy
Santa Clara, CA 95051-5173
Phone
(408) 851-1000
NPI assigned
Mar 25, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 8, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X A165867 CA Primary

Addresses

Primary practice location

700 Lawrence Expy
Santa Clara, CA 95051-5173

Mailing address

700 Lawrence Expy
Santa Clara, CA 95051-5173

Other practice location 1

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240403003388 CA Practitioner - Diagnostic Radiology 5496189839 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Drexel University College of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

700 Lawrence Expy
Santa Clara, CA 95051-5173
Phone (408) 851-1000

Hospital & facility affiliations

  • Kaiser Foundation Hospital-Santa Clara Hospital, Santa Clara, CA, CCN 050071

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A165867CAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care CurrentSince Mar 20, 2024 Accepting new patients
Permanente Medical Group, Inc CurrentSince Aug 4, 2025 Accepting new patients
Permanente Medical Group Inc Diagnostic Radiology Current Accepting new patients
Stanford Health Care Diagnostic Radiology Current Accepting new patients
Stanford Health Care Diagnostic Radiology CurrentSince Mar 20, 2024 Accepting new patients
Permanente Medical Group Inc Diagnostic Radiology CurrentSince Aug 4, 2025 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Mar 20, 2024 Accepting new patients

Locations

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

700 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 851-5300

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

Interoperability endpoints

  • Direct secure messaging: sgirn688949@hisp.ehr.sutterhealth.org

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1521936000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754611200000",
    "number": "1154826972",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 LAWRENCE EXPY",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950515173"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 LAWRENCE EXPY",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950515173",
            "telephone_number": "408-851-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Pasteur Dr",
            "address_purpose": "LOCATION",
            "city": "Stanford",
            "state": "CA",
            "postal_code": "943052200",
            "country_code": "US",
            "telephone_number": "650-723-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GIRN",
        "first_name": "SIMRUNN",
        "middle_name": "SINGH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-25",
        "last_updated": "2025-08-08",
        "certification_date": "2025-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A165867",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Clara, CA

Sources for this page

Verify at the official NPI Registry.