Cynthia Yanina Mejia, P.A.-C

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

PA17479 Issued in CA

Practice address

1950 Sunny Crest Dr Ste 2600
Fullerton, CA 92835-3644

Phone

(714) 446-5260

NPI assigned

Aug 30, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 1

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Southern California Permanente Medical GroupGroup PAC ID 6002729175, shared by 4 NPIs, 11,250 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St. Jude Medical Center Hospital, Fullerton, CA, CCN 050168

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cmejia1373642@oc.providencedirect.org

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.

• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment Care Compare group
• Providence Medical Foundation

  • Family Medicine Physician
  • Mission Viejo, CA
  • NPI 1427305960
  NPD
• MLS Clinical & Medical Corporation

  • Family Medicine Physician
  • Downey, CA
  • NPI 1912146887
  NPD (past)
• Vladimir Zeetser, DPM, Inc.

  • Foot & Ankle Surgery Podiatrist
  • Encino, CA
  • NPI 1518972967
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• St Jude Hospital Inc

  • General Acute Care Hospital
  • Fullerton, CA
  • NPI 1194926279
  Care Compare affiliation
• St Jude Hospital Inc

  • General Acute Care Hospital
  • Brea, CA
  • NPI 1891904942
  Care Compare affiliation

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

{
    "created_epoch": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1871602839",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14968 OAKBURY DR",
            "city": "LA MIRADA",
            "state": "CA",
            "postal_code": "906384531",
            "telephone_number": "818-523-2324"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1950 SUNNY CREST DR STE 2600",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928353644",
            "telephone_number": "714-446-5260"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3400 E Florence Ave",
            "address_purpose": "LOCATION",
            "city": "Huntington Park",
            "state": "CA",
            "postal_code": "902555835",
            "country_code": "US",
            "telephone_number": "323-589-9384",
            "fax_number": "323-589-0358",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MEJIA",
        "first_name": "CYNTHIA",
        "middle_name": "YANINA",
        "credential": "P.A.-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-08-30",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "PA17479",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "PA17479",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cynthiamejia@sjhhandhmg.allscriptsdirect.net",
            "affiliation": "N",
            "address_1": "1950 Sunny Crest Dr Ste 2600",
            "city": "Fullerton",
            "state": "CA",
            "country_code": "US",
            "postal_code": "928353644",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Devin Allen Meir
• Julie Meisels, PH.D.
• Debbie Liane Mejia Sanchez
• Analicia Elizabeth Mejia
• Cassie E Mejia
• Monique Marie Mejia
• Nelson Oswaldo Mejia Jr.
• Teriza Mekhail-Andreou, PSYD, LMFT
• Raquel Melendrez
• Josseline J Melgar

• Family Medicine Physician in Fullerton, CA
• Providers in Fullerton, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.

Verify at the official NPI Registry.