Christopher Alexander Tomongin, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A87100 Issued in CA

Practice address

3751 Katella Ave
Los Alamitos, CA 90720-3113

Phone

(714) 456-8888

NPI assigned

Jul 22, 2006

Last updated

Apr 1, 2025By the provider in NPPES

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

Emergency Medicine

Education

Medical College of Wisconsin, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the University ofGroup PAC ID 7517869605, 126 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uci Health-Orange Hospital, Orange, CA, CCN 050348
• Uci Health-Lakewood Hospital, Lakewood, CA, CCN 050581

Merit-based Incentive Payment System (MIPS)

Final score

96.69 of 100Reported as group

Quality

90

Improvement activities

40

Cost

78.43

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Regents of the University of

  dba Emergency Medicine Faculty Group

  • Emergency Medicine Physician
  • Orange, CA
  • NPI 1154379394
  Medicare reassignment Care Compare group NPD
• Beach Emergency Medical Associates

  • Emergency Medicine Physician
  • Huntington Beach, CA
  • NPI 1013074996
  Medicare reassignment NPD
• Cep America - California

  dba Vituity

  • Emergency Medicine Physician
  • Santa Ana, CA
  • NPI 1548667843
  Medicare reassignment NPD
• Cep America - California

  • Emergency Medicine Physician
  • Valencia, CA
  • NPI 1710686035
  NPD
• Cep America-California

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1588552848
  NPD
• California Em-I Medical Services, a Medical Corporation

  • Emergency Medicine Physician
  • Marina del Rey, CA
  • NPI 1801202692
  NPD (past)
• Foothill Emergency Physicians

  • Emergency Medicine Physician
  • Glendale, CA
  • NPI 1396875712
  NPD (past)
• Inpatient Services of California, a Medical Corporation

  • Internal Medicine Physician
  • Templeton, CA
  • NPI 1740319383
  NPD (past)
• Phalarope Inpatient Services, a Medical Corporation

  • Internal Medicine Physician
  • Marina del Rey, CA
  • NPI 1831504760
  NPD (past)
• University of California Irvine

  dba UCI Infusion Center

  • Infusion Therapy Clinic/Center
  • Irvine, CA
  • NPI 1417027475
  NPD (past)
• Valley Presbyterian Emergency Medical Associates

  • Emergency Medicine Physician
  • Van Nuys, CA
  • NPI 1033133103
  NPD (past)

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

• University of California Irvine

  dba UCI Health Lakewood

  • General Acute Care Hospital
  • Lakewood, CA
  • NPI 1184655581
  Care Compare affiliation
• University of California Irvine

  dba University of California Irvine - Cac Urgent Care

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  dba Uci Health

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation

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

{
    "created_epoch": "1153526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1841211968",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 662154",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910662154",
            "telephone_number": "626-447-0296",
            "fax_number": "626-447-6057"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3751 KATELLA AVE",
            "city": "LOS ALAMITOS",
            "state": "CA",
            "postal_code": "907203113",
            "telephone_number": "714-456-8888"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15107 Vanowen St",
            "address_purpose": "LOCATION",
            "city": "Van Nuys",
            "state": "CA",
            "postal_code": "914054542",
            "country_code": "US",
            "telephone_number": "818-902-2990",
            "fax_number": "818-904-3793",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TOMONGIN",
        "first_name": "CHRISTOPHER",
        "middle_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-22",
        "last_updated": "2025-04-01",
        "certification_date": "2025-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A87100",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A871000",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Emergency Medicine Physician in Los Alamitos, CA
• Providers in Los Alamitos, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 2025; 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.