Individual provider Active NPI

Marina Swee, DO

  • Anesthesiology Physician
  • Castro Valley, CA
National Provider Identifier
1124077730
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
20A6748 Issued in CA
Practice address
20998 Redwood Rd
Castro Valley, CA 94546-5918
Phone
(510) 538-2828
NPI assigned
May 9, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 20A6748 CA Primary

Addresses

Primary practice location

20998 Redwood Rd
Castro Valley, CA 94546-5918

Mailing address

PO Box 7793
San Francisco, CA 94120-7793
Phone (800) 697-6006

Other identifiers 1

IdentifierTypeStateIssuer
00AX67480MedicaidCA

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
I20050622001204 CA Practitioner - Anesthesiology 8527003367 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Midwestern University, Chicago College of Osteopathic Med, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Alameda Anesthesia Associates Medical Group IncGroup PAC ID 4688642028, 20 clinicians

Practice addresses (Care Compare)

13855 E 14TH St
San Leandro, CA 94578-2611
Phone (510) 357-6500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A6748CAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Alameda Anesthesia Associates Medical Group, Inc Anesthesiology CurrentSince Jan 1, 2001 Accepting new patients

Locations

20998 Redwood Rd
Castro Valley, CA 94546
Phone (510) 538-2828

1237 B St
Hayward, CA 94541
Phone (510) 886-3937

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

13855 E 14th St
San Leandro, CA 94578
Phone (510) 357-6500

Interoperability endpoints

  • Direct secure messaging: mswee141799@hisp.ehr.sutterhealth.org

Organizations & group practices 1

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 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": "1147132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1124077730",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7793",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941207793",
            "telephone_number": "800-697-6006"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20998 REDWOOD RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465918",
            "telephone_number": "510-538-2828"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SWEE",
        "first_name": "MARINA",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "20A6748",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00AX67480",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

Verify at the official NPI Registry.