Alex Katz, M.D.

Primary specialty

Pediatric Pulmonology PhysicianTaxonomy code 2080P0214X

License

A150428 Issued in CA

Practice address

101 The City Dr S
Orange, CA 92868-3201

Phone

(714) 456-7890

NPI assigned

May 13, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

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

Pediatric Medicine

Education

University of Southern California Keck School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Childrens Hospital of Orange CountyGroup PAC ID 6406944883, 70 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: akatz182578@direct.llu.edu

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.

• Children'S Hospital of Orange County

  • Pediatrics Physician
  • Orange, CA
  • NPI 1275975104
  Medicare reassignment Care Compare group NPD
• UC Regents Uci Dept of Pediatrics

  • Pediatrics Physician
  • Orange, CA
  • NPI 1235187311
  Medicare reassignment NPD
• Pediatric Subspecialty Faculty, Inc.

  • Pediatrics Physician
  • Orange, CA
  • NPI 1790850279
  NPD (past)
• University of California Irvine

  • Infusion Therapy Clinic/Center
  • Irvine, CA
  • NPI 1417027475
  NPD (past)

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

{
    "created_epoch": "1463097600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750723200000",
    "number": "1124474655",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1201 W LA VETA AVE",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928684203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-7890"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1201 W La Veta Ave",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928684203",
            "country_code": "US",
            "telephone_number": "714-509-8709",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KATZ",
        "first_name": "ALEX",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-05-13",
        "last_updated": "2025-06-24",
        "certification_date": "2025-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A150428",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A150428",
            "primary": false
        },
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "CA",
            "license": "A150428",
            "primary": false
        },
        {
            "code": "2080P0214X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Pulmonology",
            "state": "CA",
            "license": "A150428",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Harikumara Reddy Kathi, MD
• Jaimee Kato, MD
• Jessica Katrandjiev, NONE
• Blake Katsev, MD
• Hiroshi Kan Katsumi, M.D.
• Mitchell Haven Katz, MD
• Stephanie Katz
• Robert James Katzer, M.D.
• Carlie Kaufman
• Elizabeth Taryns Kaufman

• Pediatric Pulmonology Physician in Orange, CA
• Providers in Orange, CA by specialty
• Pediatric Pulmonology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 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.