Individual provider Active NPI

Zuhair O Yahya, M.D

  • Specialist
  • San Dimas, CA
National Provider Identifier
1477514057
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
License
A31214 Issued in CA
Practice address
1334 W Covina Blvd
202
San Dimas, CA 91773-3211
Phone
(909) 592-2023
Fax
(909) 592-6319
NPI assigned
Mar 31, 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
Specialist 174400000X A31214 CA Primary

Addresses

Primary practice location

1334 W Covina Blvd
202
San Dimas, CA 91773-3211

Mailing address

1334 W Covina Blvd
202
San Dimas, CA 91773-3211
Phone (909) 592-2023

Other identifiers 1

IdentifierTypeStateIssuer
00A312140MedicaidCA

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

Practice roles

OrganizationSpecialtyStatusNew patients
Nalini Singh MD Inc CurrentSince Sep 1, 2021 Accepting new patients

Locations

1334 W Covina Blvd
Ste 202
San Dimas, CA 91773
Phone (909) 592-2023

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": "1143763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1477514057",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1334 W COVINA BLVD",
            "address_2": "202",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917733211",
            "telephone_number": "909-592-2023",
            "fax_number": "909-592-6319"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1334 W COVINA BLVD",
            "address_2": "202",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917733211",
            "telephone_number": "909-592-2023",
            "fax_number": "909-592-6319"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YAHYA",
        "first_name": "ZUHAIR",
        "middle_name": "O",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-31",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "A31214",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A312140",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Dimas, 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.