John Weijune Wang, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A73379 Issued in CA

Practice address

18785 Brookhurst St., Suite 200
Fountain Valley, CA 92708

Phone

(714) 378-5330

Fax

(657) 276-4743

NPI assigned

Mar 27, 2006

Sex

Male

Sole proprietor

No

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

University of Texas Medical School at San Antonio, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Memorialcare Medical FoundationGroup PAC ID 8729277314, 555 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Network Providers for Home Health, Inc Home health agency, La Palma, CA, CCN 557569
• Elegance Healthcare, Inc Home health agency, Encino, CA, CCN 553107
• Memorialcare Orange Coast Medical Center Hospital, Fountain Valley, CA, CCN 050678
• Memorialcare Long Beach Medical Center Hospital, Long Beach, CA, CCN 050485

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: john.wang@cmed.eclinicaldirectplus.com
• Direct secure messaging: john.wang.p7@direct.monarchhealthcare.nextgenshare.com
• Direct secure messaging: jwangmd81121@direct.memorialcare.org
• FHIR API: https://fhir4.healow.com/fhir/r4/IEJABA/Endpoint/IEJABA

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.

• Memorialcare Medical Foundation

  • Clinic/Center
  • Fountain Valley, CA
  • NPI 1205167350

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Bristol Park Medical Group, Inc

  • Family Medicine Physician
  • Costa Mesa, CA
  • NPI 1043266760

  Internal Medicine

  NPD (past)
• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  NPD (past)
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  NPD (past)
• South Coast Global Medical Center, Inc

  • General Acute Care Hospital
  • Santa Ana, CA
  • NPI 1558354258
  NPD (past)

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

• Elegance Healthcare, Inc.

  • Home Health Agency
  • Encino, CA
  • NPI 1396117982
  Care Compare affiliation
• Long Beach Memorial Medical

  • General Acute Care Hospital
  • Long Beach, CA
  • NPI 1962442012
  Care Compare affiliation
• Network Providers for Home Health Inc

  • Home Health Agency
  • La Palma, CA
  • NPI 1225030463
  Care Compare affiliation
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  Care Compare affiliation

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

{
    "created_epoch": "1143417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1720048291",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18785 BROOKHURST ST., SUITE 200",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "92708",
            "telephone_number": "714-378-5330",
            "fax_number": "657-276-4743"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18785 BROOKHURST ST., SUITE 200",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "92708",
            "telephone_number": "714-378-5330",
            "fax_number": "657-276-4743"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WANG",
        "first_name": "JOHN",
        "middle_name": "WEIJUNE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-27",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A73379",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A733790",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Brandie Rulfs Walton, PA-C
• Charles M Walworth, MD
• Michael Wan, M.D.
• Arden Yu-Cin Wang
• Jiayi Wang
• Lillian Chen Wang, PA-C, CPH
• Sarah Sun Young Wang, DDS
• Tenzing Wangyal, MD
• Warner Avenue Animal Hospital
• Warner Plaza Pharmacy

• Internal Medicine Physician in Fountain Valley, CA
• Providers in Fountain Valley, 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 Jun 11, 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.