Wencheng Jen, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A70481 Issued in CA

Practice address

817 S 1St Ave Unit a
Unit a
Arcadia, CA 91006-3918

Phone

(626) 416-3051

Fax

(626) 478-1068

NPI assigned

Jul 18, 2006

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

Other identifiers 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

University of Southern California Keck School of Medicine, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Happy Home Health Services Home health agency, Arcadia, CA, CCN 059173
• San Gabriel Valley Medical Center Hospital, San Gabriel, CA, CCN 050132
• Usc Arcadia Hospital Hospital, Arcadia, CA, CCN 050238

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Wencheng Jen M.D. Inc

  • Internal Medicine Physician
  • San Gabriel, CA
  • NPI 1154855278
  Medicare reassignment NPD Authorized official
• Ahmc San Gabriel Valley Medical

  • Skilled Nursing Facility
  • San Gabriel, CA
  • NPI 1710174818
  NPD (past)
• Usc Arcadia Hospital

  • Rehabilitation Hospital Unit
  • Arcadia, CA
  • NPI 1164410593
  NPD (past)

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

• Ahmc San Gabriel Valley Medical

  • General Acute Care Hospital
  • San Gabriel, CA
  • NPI 1275720377
  Care Compare affiliation
• Happy HHA, Inc.

  • Home Health Agency
  • Arcadia, CA
  • NPI 1184804825
  Care Compare affiliation
• Usc Arcadia Hospital

  • General Acute Care Hospital
  • Arcadia, CA
  • NPI 1508851288
  Care Compare affiliation

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

{
    "created_epoch": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1811915481",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "817 S 1ST AVE UNIT A",
            "address_2": "UNIT A",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910063918",
            "telephone_number": "626-416-3051",
            "fax_number": "626-478-1068"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "817 S 1ST AVE UNIT A",
            "address_2": "UNIT A",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910063918",
            "telephone_number": "626-416-3051",
            "fax_number": "626-478-1068"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JEN",
        "first_name": "WENCHENG",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-18",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A70481",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A704810",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jay Iinuma, MD, Inc
• Jaykumar H. Shah, MD, a Professional Corporation
• Samantha Jedrey, DPT
• Agnes Chiang Jee, M.D.
• Jeffrey Kwan Premier Chiropractic
• Ryan Jenks
• Jennifer S. Huang, M.D., Inc.
• Eliana Grace Lin Jennings, BA
• Kyle Jennings
• Lesley Jeong, DDS, MS

• Internal Medicine Physician in Arcadia, CA
• Providers in Arcadia, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 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.