XI Chen, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A185823 Issued in CA

Practice address

840 Irving St
San Francisco, CA 94122-2311

Phone

(888) 663-6331

Fax

(415) 252-7176

NPI assigned

Mar 27, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pih Health PhysiciansGroup PAC ID 8426951328, 616 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Pih Health Physicians

  • Family Medicine Physician
  • Whittier, CA
  • NPI 1609233899
  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593

  Family Medicine

  Medicare reassignment NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Pih Health Physicians

  • Interventional Cardiology Physician
  • Los Angeles, CA
  • NPI 1356928444
  NPD
• Pih Health Physicians

  • Anesthesiology Physician
  • Downey, CA
  • NPI 1447931506
  NPD
• Applecare Hospitalist Medical Group, Inc.

  dba Optum

  • Internal Medicine Physician
  • Downey, CA
  • NPI 1629037577
  NPD (past)

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

{
    "created_epoch": "1585267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1902434970",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "415-658-6791",
            "fax_number": "415-520-0904"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "840 IRVING ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941222311",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHEN",
        "first_name": "XI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-27",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A185823",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wenyuan Chen
• William Cheng Chen, MD
• William Shelton Chen, MD
• Wilson Chen, PHARMD
• Wu Chen
• Xialing Ann Chen
• Xin-Hua Chen, LCSW
• Yan Chen
• Yetong Chen
• Yin Chen

• Family Medicine Physician in San Francisco, CA
• Providers in San Francisco, 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 Jul 6, 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.