Active NPI
Marina Swee, DO
- Anesthesiology Physician
- Castro Valley, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 20A6748
- Practice address
- 20998 Redwood Rd
Castro Valley, CA 94546-5918 - Phone
- (510) 538-2828
- NPI assigned
- May 9, 2006
- Last updated
- Jul 13, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00AX67480 | Medicaid | CA |
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
Enrollment records 1
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 20A6748 | CA | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Alameda Anesthesia Associates Medical Group, Inc | Anesthesiology | Current | 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
- 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.
-
- Anesthesiology Physician
- Castro Valley, CA
- NPI 1487602256
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Eden Medical Center
- General Acute Care Hospital
- Castro Valley, CA
- NPI 1063812907
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.