NPIMap

Individual provider Active NPI

Jeffrey DO, MD

  • Anesthesiology Physician
  • Castro Valley, CA
National Provider Identifier
1225088552
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
A60504 Issued in CA
Practice address
20998 Redwood Rd
Castro Valley, CA 94546-5918
Phone
(510) 538-2828
NPI assigned
May 10, 2006
Sex
Male
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 A60504 CA Primary

Addresses

Primary practice location

20998 Redwood Rd
Castro Valley, CA 94546-5918

Mailing address

PO Box 7793
San Francisco, CA 94120-7793

Other identifiers 1

IdentifierTypeStateIssuer
00A605040MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040825001483 CA Practitioner - Anesthesiology 9234103060 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 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
County of San MateoGroup PAC ID 9032023171, 316 clinicians

Practice addresses (Care Compare)

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

222 W 39TH Ave
San Mateo, CA 94403-4364
Phone (650) 573-2222

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
County of San Mateo CurrentSince Sep 19, 2023 Accepting new patients
County of San Mateo CurrentSince Sep 19, 2023 Accepting new patients
Alameda Anesthesia Associates Medical Group, Inc Anesthesiology CurrentSince Nov 18, 1998 Accepting new patients
Jeffrey DO MD, Inc Anesthesiology PastSince Jan 1, 1990 Accepting new patients

Locations

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

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

222 W 39th Ave
San Mateo, CA 94403
Phone (415) 573-2222

Interoperability endpoints

  • Direct secure messaging: jdo19705@smch.direct-ci.com
  • Direct secure messaging: jdo141805@hisp.ehr.sutterhealth.org

Organizations & group practices 4

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 9

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": "1147219200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1225088552",
    "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"
        },
        {
            "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": "DO",
        "first_name": "JEFFREY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A60504",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A605040",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

Verify at the official NPI Registry.