Individual provider Active NPI

Marin Grace Olson

  • Emergency Medicine Physician
  • San Francisco, CA
National Provider Identifier
1407433782
Registry record updated Sep 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A194724 Issued in CA
Practice address
505 Parnassus Ave RM M24
San Francisco, CA 94143-2204
Phone
(415) 353-1529
NPI assigned
Mar 24, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Emergency Medicine Physician 207P00000X A194724 CA Primary

Addresses

Primary practice location

505 Parnassus Ave RM M24
San Francisco, CA 94143-2204

Mailing address

505 Parnassus Ave RM M24
San Francisco, CA 94143-2204
Phone (415) 353-1529

Other practice location 1

1001 Potrero Avenue
Blg. 25, First Floor
San Francisco, CA 94110
Phone (628) 206-8111

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, TX2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20250819003421 CA Practitioner - Emergency Medicine 2961858402 Reassigns benefits to 3 organizations
I20251119002116 TX Practitioner - Emergency Medicine 2961858402 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Minnesota Medical School, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of California SFGH Medical GroupGroup PAC ID 5496668410, 566 clinicians
Eden Emergency Medical Group IncGroup PAC ID 7012802333, 27 clinicians

Practice addresses (Care Compare)

1001 Potrero Ave
San Francisco, CA 94110-3518
Phone (628) 206-5753

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 537-1234

Hospital & facility affiliations

  • Chinle Comprehensive Health Care Facility Hospital, Chinle, AZ, CCN 030084
  • Eden Medical Center Hospital, Castro Valley, CA, CCN 050488
  • Zuckerberg San Francisco General Hosp & Trauma Ctr Hospital, San Francisco, CA, CCN 050228

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A194724CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
City & County of San Francisco Current Accepting new patients
DHHS PHS Naihs Chinle Comprehensive Health Care Facility CurrentSince Oct 6, 2025 Accepting new patients
City and County of San Francisco CurrentSince Aug 25, 2025 Accepting new patients
DHHS PHS Naihs Chinle Comprehensive CurrentSince Oct 6, 2025 Accepting new patients
University of California SFGH Medical Group Emergency Medicine CurrentSince Sep 1, 2025 Accepting new patients
University of California SFGH Medical Group CurrentSince Sep 1, 2025 Accepting new patients
City & County of San Francisco CurrentSince Aug 25, 2025 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
Eden Emergency Medical Group Inc Emergency Medicine CurrentSince Jul 1, 2025 Accepting new patients

Locations

20103 Lake Chabot Rd
Hayward, CA 94546
Phone (510) 537-1234

1001 Potrero Ave
Fl First
San Francisco, CA 94110
Phone (628) 206-8111

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753

Interoperability endpoints

  • Direct secure messaging: molson746149@hisp.ehr.sutterhealth.org

Organizations & group practices 9

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 3

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": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1407433782",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE RM M24",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-353-1529"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE RM M24",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-353-1529"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1001 Potrero Avenue",
            "address_2": "Blg. 25, First Floor",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "94110",
            "country_code": "US",
            "telephone_number": "628-206-8111",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OLSON",
        "first_name": "MARIN",
        "middle_name": "GRACE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-24",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A194724",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.