Christopher Adi Tan, MD

Primary specialty

Pediatric Cardiology PhysicianTaxonomy code 2080P0202X

License

A70509 Issued in CA

Practice address

2701 Atlantic Ave
Long Beach, CA 90806-2701

Phone

(714) 377-6993

Fax

(562) 427-1987

NPI assigned

Jun 17, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA, GU2 enrollments

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 2

Specialty

Cardiovascular Disease (Cardiology)

Education

University of California, Irvine, California College of Medicine, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pacific Cardiovascular Associates Medical Group, Inc.Group PAC ID 3678461209, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kadlec Regional Medical Center Hospital, Richland, WA, CCN 500058

Merit-based Incentive Payment System (MIPS)

Final score

83.2 of 100Reported as group

Quality

53.01

Promoting interoperability

87

Improvement activities

40

Cost

75.81

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: ctanmd16231@direct.memorialcare.org
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: christopher.tan@direct.pca.nextgenshare.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.

• Pacific Cardiovascular Associates Medical Group, Inc.

  • Legal Medicine
  • Costa Mesa, CA
  • NPI 1700821691
  Medicare reassignment Care Compare group NPD
• Guam Healthcare Development Incorporated

  • Clinic/Center
  • Dededo, GU
  • NPI 1326447939
  Medicare reassignment NPD
• Memorialcare Medical Foundation

  • Clinic/Center
  • Fountain Valley, CA
  • NPI 1205167350
  Medicare reassignment
• Children'S Hospital of Orange County

  • Children's Hospital
  • Orange, CA
  • NPI 1811080526
  NPD (past)
• Desert Valley Hospital, LLC

  • General Acute Care Hospital
  • Victorville, CA
  • NPI 1851396576
  NPD (past)
• Dignity Health

  • General Acute Care Hospital
  • Long Beach, CA
  • NPI 1194840421
  NPD (past)
• Long Beach Memorial Medical

  • Rehabilitation Hospital Unit
  • Long Beach, CA
  • NPI 1396791414
  NPD (past)
• Long Beach Memorial Medical

  • Children's Hospital
  • Long Beach, CA
  • NPI 1477596583
  NPD (past)
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  NPD (past)
• Providence Health System - Southern California

  • General Acute Care Hospital
  • Burbank, CA
  • NPI 1336173269
  NPD (past)
• Regents Univ of Calif Los Angeles

  • Psychiatric Hospital
  • Los Angeles, CA
  • NPI 1952308363
  NPD (past)
• Saddleback Memorial Medical Center

  • Rehabilitation Hospital Unit
  • Laguna Hills, CA
  • NPI 1114967114
  NPD (past)

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

• Kadlec Regional Medical Center

  • General Acute Care Hospital
  • Richland, WA
  • NPI 1972507580
  Care Compare affiliation

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

{
    "created_epoch": "1118966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774915200000",
    "number": "1912902602",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2701 ATLANTIC AVE",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908062701",
            "telephone_number": "714-377-6993",
            "fax_number": "562-427-1987"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2701 ATLANTIC AVE",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908062701",
            "telephone_number": "714-377-6993",
            "fax_number": "562-427-1987"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2801 Atlantic Ave",
            "address_purpose": "LOCATION",
            "city": "Long Beach",
            "state": "CA",
            "postal_code": "908061737",
            "country_code": "US",
            "telephone_number": "562-933-3350",
            "fax_number": "562-933-3359",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TAN",
        "first_name": "CHRISTOPHER",
        "middle_name": "ADI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-17",
        "last_updated": "2026-03-31",
        "certification_date": "2026-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "GU",
            "license": "M-1618",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "CA",
            "license": "A70509",
            "primary": true
        }
    ],
    "identifiers": [],
    "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": []
}

• Ai Tamiya
• Tammy N. Tran, D.D.S., Inc.
• Agnes Tan, NP
• Amy Phuongque Tan, PHARM.D
• Bunthay Chorn Tan, O.D.
• Jesse William Tan, MD
• Jesus King Tan, MD
• Joanna Ai Wan Tan, M.D.
• Jofel Tan, OTD, OTR/L
• Mony Chan Tan, NP

• Pediatric Cardiology Physician in Long Beach, CA
• Providers in Long Beach, CA by specialty
• Pediatric Cardiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 31, 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.