Stephen Alexander Westerhout, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

A76842 Issued in CA

Practice address

770 Pacific Coast Hwy
Seal Beach, CA 90740-6215

Phone

(949) 350-0115

NPI assigned

Jun 8, 2006

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Allied Anesthesia Medical Group Inc

  • Anesthesiology Physician
  • Orange, CA
  • NPI 1346267267
  Medicare reassignment
• Newport Harbor Anesthesia Consultants Medical Group Inc

  • Anesthesiology Physician
  • Newport Beach, CA
  • NPI 1205885357
  NPD (past)

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

{
    "created_epoch": "1149724800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1679513279",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5486",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928635486",
            "telephone_number": "818-550-0900",
            "fax_number": "818-550-0900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "770 PACIFIC COAST HWY",
            "city": "SEAL BEACH",
            "state": "CA",
            "postal_code": "907406215",
            "telephone_number": "949-350-0115"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "361 Hospital Rd Ste 124",
            "address_purpose": "LOCATION",
            "city": "Newport Beach",
            "state": "CA",
            "postal_code": "926633521",
            "country_code": "US",
            "telephone_number": "949-631-0988",
            "fax_number": "949-631-2504",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1441 Avocado Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Newport Beach",
            "state": "CA",
            "postal_code": "926607702",
            "country_code": "US",
            "telephone_number": "949-350-0115",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4968 Booth Cir Ste 105",
            "address_purpose": "LOCATION",
            "city": "Irvine",
            "state": "CA",
            "postal_code": "926043366",
            "country_code": "US",
            "telephone_number": "949-350-0115",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WESTERHOUT",
        "first_name": "STEPHEN",
        "middle_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-06-08",
        "last_updated": "2025-04-17",
        "certification_date": "2025-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A76842",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A768420",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Nicole Breanne Wechsung, BCBA
• Jade Weir, BCBA
• Robyn Ann Weldon
• Darryl Jonathan Werner, M.D.
• John Lester Werner, MD
• Aneli Liv Whitford, PT, DPT
• Heather Wicorek, BCBA
• Analise Williamsen
• Natalie King Wilson, D.C.
• Kylie Wong-Hazehara, DMD

• Anesthesiology Physician in Seal Beach, CA
• Providers in Seal Beach, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.