James Saeyung Ahn, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

G84344 Issued in CA

Practice address

800 S Main St
Corona, CA 92882-3420

Phone

(951) 737-4343

NPI assigned

Dec 28, 2005

Last updated

May 8, 2024By the provider in NPPES

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

Anesthesiology

Education

Other, 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Corona Anesthesia Group IncGroup PAC ID 7416212576, 27 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Corona Regional Medical Center Hospital, Corona, CA, CCN 050329

Merit-based Incentive Payment System (MIPS)

Final score

92.8 of 100Reported as group

Quality

78.51

Promoting interoperability

100

Improvement activities

40

Cost

70.37

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.

• Corona Anesthesia Group, Inc.

  • Anesthesiology Physician
  • Corona, CA
  • NPI 1558865840
  Medicare reassignment Care Compare group NPD
• City of Hope Medical Foundation

  dba City of Hope Duarte

  • Hematology & Oncology Physician
  • Duarte, CA
  • NPI 1871886366

  Anesthesiology

  Medicare reassignment NPD
• First Choice Physician Partners

  dba Greater Modesto Medical Surgical Associates

  • Neurological Surgery Physician
  • Modesto, CA
  • NPI 1104183052
  Medicare reassignment NPD
• Regents of the University of

  dba University Anesthesia Associates

  • Anesthesiology Physician
  • Orange, CA
  • NPI 1487602546
  Medicare reassignment NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment NPD
• Allied Anesthesia Medical Group Inc

  • Anesthesiology Physician
  • Orange, CA
  • NPI 1346267267
  Medicare reassignment
• James S. Ahn, M.D., Inc.

  • Anesthesiology Physician
  • Fountain Valley, CA
  • NPI 1972702868
  NPD (past) Authorized official
• First Choice Physician Partners

  • Internal Medicine Physician
  • Modesto, CA
  • NPI 1912264862
  NPD
• First Choice Physician Partners

  dba De La Pena Eye Clinic, A Medical Group

  • Ophthalmology Physician
  • El Monte, CA
  • NPI 1912732892
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Inglewood, CA
  • NPI 1821635079
  NPD
• Fountain Valley Anesthesiology Medical Associates, Inc.

  • Anesthesiology Physician
  • Fountain Valley, CA
  • NPI 1821228669
  NPD (past)

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

• Uhs-Corona Inc

  dba Corona Regional Medical Center

  • General Acute Care Hospital
  • Corona, CA
  • NPI 1457347239
  Care Compare affiliation

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

{
    "created_epoch": "1135728000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1715126400000",
    "number": "1588641963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 S MAIN ST",
            "city": "CORONA",
            "state": "CA",
            "postal_code": "928823420"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 S MAIN ST",
            "city": "CORONA",
            "state": "CA",
            "postal_code": "928823420",
            "telephone_number": "951-737-4343"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 Duarte Rd",
            "address_purpose": "LOCATION",
            "city": "Duarte",
            "state": "CA",
            "postal_code": "910103012",
            "country_code": "US",
            "telephone_number": "626-256-4673",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AHN",
        "first_name": "JAMES",
        "middle_name": "SAEYUNG",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-28",
        "last_updated": "2024-05-08",
        "certification_date": "2023-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "G84344",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G843440",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "6041 Cadillac Ave",
            "city": "Los Angeles",
            "state": "CA",
            "country_code": "US",
            "postal_code": "900341702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Ammar Ahmad, C.M.T
• Amna Ahmad
• Linda Ahmadi, RPH
• Ariz Ahmed
• Tanha Ahmed
• Julie Kim Ahn, PA-C
• Jasmine Aikens, LVN
• Airway Therapeutic Management, Inc (Airway Therapeutic Management)
• Aj Huh Dental Corp (Little Forest Pediatric Dentistry)
• Ajay Varghese, DMD, Inc

• Anesthesiology Physician in Corona, CA
• Providers in Corona, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 2024; 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.