Joseph D Chun, M.D.

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

License

G61950 Issued in CA

Practice address

1501 W Commonwealth Ave
Fullerton, CA 92833-2727

Phone

(714) 410-3100

NPI assigned

Mar 2, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

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 MedicineAlso: Allergy/Immunology, Pediatric Medicine

Education

University of California, Geffen School of Medicine, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Divine Home Health, Inc Home health agency, La Mirada, CA, CCN 058330
• Hospice of Oc, Inc. Hospice, Buena Park, CA, CCN B21735
• Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224
• Providence St. Jude Medical Center Hospital, Fullerton, CA, CCN 050168

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.

• Healthcare Partners Affiliates Medical Group

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

  Allergy & Immunology

  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Cha Hollywood Medical Center, LP

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1922033547
  NPD (past)
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  NPD (past)
• San Dimas Community Hospital, Inc.

  • Skilled Nursing Facility
  • San Dimas, CA
  • NPI 1568487619
  NPD (past)
• St Jude Hospital Inc

  • General Acute Care Hospital
  • Fullerton, CA
  • NPI 1194926279
  NPD (past)
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

• Divine Home Health, Inc.

  • Home Health Agency
  • La Mirada, CA
  • NPI 1831107093
  Care Compare affiliation
• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  Care Compare affiliation
• Hospice of Oc, Inc.

  • Community Based Hospice Care Agency
  • Buena Park, CA
  • NPI 1023624152
  Care Compare affiliation
• 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": "1172793600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1710015425",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 W COMMONWEALTH AVE",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928332727",
            "telephone_number": "714-410-3100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6261 Stanton Ave",
            "address_purpose": "LOCATION",
            "city": "Buena Park",
            "state": "CA",
            "postal_code": "906212436",
            "country_code": "US",
            "telephone_number": "714-739-4325",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHUN",
        "first_name": "JOSEPH",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-02",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G61950",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "G61950",
            "primary": false
        },
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "CA",
            "license": "G61950",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR00088840",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christine Marie LLC
• Flora Danielle Christopher, M.S
• Gyo Seon Chu
• Kin Lim Chu, RPH
• Raymond Hugh-L Chu, OD
• Kay Chun, HIS
• Alexander Chung, PHARM.D.
• CHI Hung Mike Chung
• Fangli Chung, L.AC.
• Hyun Chung, OTD, OTR/L

• Allergy & Immunology Physician in Fullerton, CA
• Providers in Fullerton, CA by specialty
• Allergy & Immunology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 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.