Alan Xia, MS, PA-C

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

Practice address

1907 Border Ave
Torrance, CA 90501-3606

Phone

(844) 443-6246

Fax

(833) 907-2235

NPI assigned

Jan 14, 2022

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NY, NJ, CA3 enrollments

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 3

Specialty

Physician Assistant

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

City Medical of Upper East Side PLLCGroup PAC ID 0648465039, 658 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

86.33 of 100Reported as group

Quality

82.1

Promoting interoperability

100

Improvement activities

40

Cost

72.34

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science, Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: alan.xia.1@24989.direct.athenahealth.com
• Direct secure messaging: alan.xia.1@2983.direct.athenahealth.com

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.

• City Medical of Upper East Side, PLLC

  • Urgent Care Clinic/Center
  • New York, NY
  • NPI 1801277629
  Medicare reassignment Care Compare group
• Carlos a. Smith, M.D, Professional Corporation

  • Internal Medicine Physician
  • Torrance, CA
  • NPI 1710690433

  Single Specialty

  Medicare reassignment NPD
• Mobile Medical Healthcare, P.C.

  • Family Medicine Physician
  • New York, NY
  • NPI 1679185904

  Single Specialty

  Medicare reassignment NPD
• Mobile Urgent Care Medical Services PC

  • Urgent Care Clinic/Center
  • Voorhees, NJ
  • NPI 1245975135

  NY

  Medicare reassignment
• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment
• City Medical of Upper East Side, PLLC

  • Urgent Care Clinic/Center
  • Bay Shore, NY
  • NPI 1538625413
  NPD
• City Medical of Upper East Side, PLLC

  • Urgent Care Clinic/Center
  • New York, NY
  • NPI 1740913763
  NPD
• North Shore - Lij Medical PC

  • Internal Medicine Physician
  • New Hyde Park, NY
  • NPI 1790043479
  NPD

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

{
    "created_epoch": "1642118400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1902557564",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15159 25TH AVE",
            "city": "WHITESTONE",
            "state": "NY",
            "postal_code": "113573749",
            "telephone_number": "646-392-6026"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1907 BORDER AVE",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905013606",
            "telephone_number": "844-443-6246",
            "fax_number": "833-907-2235"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "27005 76th Ave",
            "address_purpose": "LOCATION",
            "city": "New Hyde Park",
            "state": "NY",
            "postal_code": "110401402",
            "country_code": "US",
            "telephone_number": "718-470-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "XIA",
        "first_name": "ALAN",
        "credential": "MS, PA-C",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-01-14",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Physician Assistant, Medical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "axia1@northwell.edu",
            "affiliation": "Y",
            "affiliationName": "Long Island jewish Medical Center",
            "address_1": "27005 76th Ave",
            "city": "New Hyde Park",
            "state": "NY",
            "country_code": "US",
            "postal_code": "110401402",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Patricia A Wynn-Jones
• Dana Ann Wyss, MFT
• Christopher Wyszynski
• Xatis Corp.
• Paula Xexeo
• Xiaoyan Zhang MD Inc
• Esther Xie
• Wei Peng Xie, PHARMD
• Xochipilli Counseling Collective
• Andy Xin Xu, R.P.T.

• Medical Physician Assistant in Torrance, CA
• Providers in Torrance, CA by specialty
• Medical Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 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.