Organization Active NPI

Seth Ahlquist MD Professional Corporation

  • Orthopaedic Surgery Physician
  • Santa Monica, CA
National Provider Identifier
1588500417
Registry record updated Aug 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
Legal business name
SETH AHLQUIST MD PROFESSIONAL CORPORATION
Practice address
2021 Santa Monica Blvd # 530E
Santa Monica, CA 90404-2208
Phone
(916) 778-8900
NPI assigned
Apr 24, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 1, 2026

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

Authorized official

Name
Seth Ahlquist, MDNPI 1407484918
Title
Physician
Phone
(916) 778-8900

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207X00000X Primary

Addresses

Primary practice location

2021 Santa Monica Blvd # 530E
Santa Monica, CA 90404-2208

Mailing address

2021 Santa Monica Blvd # 530E
Santa Monica, CA 90404-2208
Phone (916) 778-8900

National Provider Directory

National Provider Directory

Locations

2021 Santa Monica Blvd
#530E
Santa Monica, CA 90404
Phone (310) 315-5440

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1776988800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785542400000",
    "number": "1588500417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2021 SANTA MONICA BLVD # 530E",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904042208",
            "telephone_number": "916-778-8900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2021 SANTA MONICA BLVD # 530E",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904042208",
            "telephone_number": "916-778-8900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SETH AHLQUIST MD PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-04-24",
        "last_updated": "2026-08-01",
        "certification_date": "2026-08-01",
        "status": "A",
        "authorized_official_last_name": "AHLQUIST",
        "authorized_official_first_name": "SETH",
        "authorized_official_title_or_position": "PHYSICIAN",
        "authorized_official_telephone_number": "916-778-8900",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Orthopaedic Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Monica, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.