Individual provider Active NPI

Mark E Higgins, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1134193469
Registry record updated Dec 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A60868 Issued in CA
Practice address
45 Castro St Ste 421
San Francisco, CA 94114-1031
Phone
(415) 600-4900
Fax
(415) 369-1314
NPI assigned
Feb 14, 2006
Last updated
Dec 4, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 4, 2025

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 A60868 CA Primary

Addresses

Primary practice location

45 Castro St Ste 421
San Francisco, CA 94114-1031

Mailing address

PO Box 276950
Sacramento, CA 95827-6950

Other identifiers 2

IdentifierTypeStateIssuer
00A608680MedicaidCA
A60868OtherCASTATE MEDICAL LICENSE

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
I20070828001066 CA Practitioner - Internal Medicine 5395837850 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
New York Medical College, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

3838 California St
San Francisco, CA 94118-1506

45 Castro St
San Francisco, CA 94114-1010

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.31 of 100Reported as individual
Quality
71.82
Promoting interoperability
100
Improvement activities
40
Cost
75.87

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A60868CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation Current Accepting new patients
Sutter Bay Medical Foundation Internal Medicine CurrentSince Nov 10, 2025 Accepting new patients

Locations

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

901 Campus Dr
Ste 214
Daly City, CA 94015
Phone (415) 785-4246

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

325 Distel Cir
Los Altos, CA 94022
Phone (510) 204-3977

325 Distel Cir
Ste 423
Los Altos, CA 94022

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

350 30th St
Ste 511
Oakland, CA 94609
Phone (510) 834-2800

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) 780-0110

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

3838 California St
Rm 600
San Francisco, CA 94118
Phone (415) 668-4100

45 Castro St
Ste 402
San Francisco, CA 94114
Phone (415) 241-5601

45 Castro St
Ste 421
San Francisco, CA 94114
Phone (415) 600-7760

45 Castro St
Ste 423
San Francisco, CA 94114
Phone (415) 437-5433

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

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

1551 Bishop St
Ste 110
Sn Luis Obisp, CA 93401
Phone (805) 548-8585

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

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

Interoperability endpoints

  • Direct secure messaging: mark.higgins.1@24668.direct.athenahealth.com

Organizations & group practices 2

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

Hospital & facility affiliations 4

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": "1139875200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764806400000",
    "number": "1134193469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "45 CASTRO ST STE 421",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941141031",
            "telephone_number": "415-600-4900",
            "fax_number": "415-369-1314"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HIGGINS",
        "first_name": "MARK",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-14",
        "last_updated": "2025-12-04",
        "certification_date": "2025-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A60868",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A608680",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE MEDICAL LICENSE",
            "identifier": "A60868",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.