Individual provider Active NPI

Sara L. Swenson, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1609830975
Registry record updated Feb 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
G84644 Issued in CA
Practice address
400 Parnassus Ave
San Francisco, CA 94143-2202
Phone
(415) 476-7100
NPI assigned
Apr 13, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X G84644 CA Primary

Addresses

Primary practice location

400 Parnassus Ave
San Francisco, CA 94143-2202

Mailing address

325 Church St
San Francisco, CA 94114-1718
Phone (415) 672-1233

Other identifiers 1

IdentifierTypeStateIssuer
0G8464400MedicaidCA

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
I20061209000113 CA Practitioner - Internal Medicine 8123027778 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Yale University School of Medicine, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians

Practice addresses (Care Compare)

2330 Post St
San Francisco, CA 94115-3465
Phone (415) 476-4029

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G84644CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services CurrentSince Aug 22, 2024 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Aug 1, 2017 Accepting new patients
Regents of the University of California Internal Medicine CurrentSince Aug 22, 2024 Accepting new patients
UCSF Medical Group Business Services Internal Medicine CurrentSince Aug 22, 2024 Accepting new patients
University of California San Francisco Current Accepting new patients
Sutter Bay Medical Foundation CurrentSince Aug 1, 2017 Accepting new patients
University of California San Francisco Internal Medicine CurrentSince Aug 22, 2024 Accepting new patients
University of California San Francisco CurrentSince Aug 22, 2024 Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
Regents of the University of California Past Accepting new patients
Sutter East Bay Medical Foundation Internal Medicine Past Accepting new patients

Locations (25 of 26)

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

795 El Camino Real
#1112
Palo Alto, CA 94301

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

3838 California St
Rm 404
San Francisco, CA 94118
Phone (415) 600-0940

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503

2100 Webster St
Ste 516
San Francisco, CA 94115
Phone (415) 345-0940

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

400 Parnassus Ave
Fl 1
San Francisco, CA 94143
Phone (415) 353-2584

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

4700 Hoen Ave
Santa Rosa, CA 95405
Phone (707) 526-3360

10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488

Interoperability endpoints

  • Direct secure messaging: sswenson50459@hisp.ehr.sutterhealth.org

Organizations & group practices 11

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": "1144886400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1609830975",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "325 CHURCH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941141718",
            "telephone_number": "415-672-1233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432202",
            "telephone_number": "415-476-7100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SWENSON",
        "first_name": "SARA",
        "middle_name": "L.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-13",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G84644",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0G8464400",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.