Individual provider Active NPI

Abas Tay, MD

  • Cardiovascular Disease Physician
  • San Jose, CA
National Provider Identifier
1871548388
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
A35954 Issued in CA
Practice address
25 N 14TH St
#840
San Jose, CA 95112
Phone
(408) 292-1722
NPI assigned
May 23, 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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A35954 CA
Cardiovascular Disease Physician 207RC0000X A35954 CA Primary

Addresses

Primary practice location

25 N 14TH St
#840
San Jose, CA 95112

Mailing address

25 N 14TH St
#840
San Jose, CA 95112
Phone (408) 292-1722

Other identifiers 1

IdentifierTypeStateIssuer
A359540MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A35954CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mehdi Doroodgar MD Inc Internal Medicine Past Accepting new patients

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 and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1148342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1871548388",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 N 14TH ST",
            "address_2": "#840",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "95112",
            "telephone_number": "408-292-1722"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 N 14TH ST",
            "address_2": "#840",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "95112",
            "telephone_number": "408-292-1722"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAY",
        "first_name": "ABAS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A35954",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "A35954",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "A359540",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Jose, 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.