Organization Active NPI

Richard a Williams

  • Obstetrics & Gynecology Physician
  • San Dimas, CA
National Provider Identifier
1891983185
Registry record updated Sep 10, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
A040188 Issued in CA
Legal business name
RICHARD A WILLIAMS
Practice address
1334 W Covina Blvd Ste 102
San Dimas, CA 91773-3211
Phone
(909) 599-8677
Fax
(909) 592-0999
NPI assigned
Oct 11, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2020

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

Authorized official

Name
Dr. Richard Anthony Williams, M.D.NPI 1467457390
Title
Physician/ Owner
Phone
(909) 599-8677

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207V00000X A040188 CA Primary

Addresses

Primary practice location

1334 W Covina Blvd Ste 102
San Dimas, CA 91773-3211

Mailing address

1334 W Covina Blvd Ste 102
San Dimas, CA 91773-3211
Phone (909) 599-8677

Other names 1

  • WILLIAMS OB/ GYN ASSOCIATES INC Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20090204000079 CA Part B Supplier - Clinic/Group Practice 2062576192 Receives reassigned benefits from 1 practitioner
Practice locations: Glendora, CA

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D0564501Williams OB GYN Associates1334 W Covina Blvd Suite 102, San Dimas, CA 91773Provider-performed microscopyAug 31, 2026

National Provider Directory

National Provider Directory

Locations

913 W Arrow Hwy
San Dimas, CA 91773

1334 W Covina Blvd
Ste 102
San Dimas, CA 91773
Phone (909) 559-8677

1334 W Covina Blvd
San Dimas, CA 91773

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1192060800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1599696000000",
    "number": "1891983185",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1334 W COVINA BLVD STE 102",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917733211",
            "telephone_number": "909-599-8677",
            "fax_number": "909-592-0999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1334 W COVINA BLVD STE 102",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917733211",
            "telephone_number": "909-599-8677",
            "fax_number": "909-592-0999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RICHARD A WILLIAMS",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-10-11",
        "last_updated": "2020-09-10",
        "certification_date": "2020-09-10",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "RICHARD",
        "authorized_official_middle_name": "ANTHONY",
        "authorized_official_title_or_position": "PHYSICIAN/ OWNER",
        "authorized_official_telephone_number": "909-599-8677",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A040188",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "WILLIAMS OB/ GYN ASSOCIATES INC",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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 Sep 10, 2020; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.

Verify at the official NPI Registry.