Organization Active NPI

Matthew Siedhoff MD PC

  • Gynecology Physician
  • Beverly Hills, CA
National Provider Identifier
1255122941
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gynecology PhysicianTaxonomy code 207VG0400X
Legal business name
MATTHEW SIEDHOFF MD PC
Practice address
450 N Roxbury Dr Ste 101
Beverly Hills, CA 90210-4209
Phone
(310) 997-4884
Fax
(310) 579-4992
NPI assigned
May 13, 2025
Last updated
Oct 9, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Authorized official

Name
Matthew Thomas Siedhoff, MDNPI 1710182779
Title
President
Phone
(917) 687-4094

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
Gynecology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207VG0400X Primary

Addresses

Primary practice location

450 N Roxbury Dr Ste 101
Beverly Hills, CA 90210-4209

Mailing address

9903 Sta Monica Blvd # 208
Beverly Hills, CA 90212-1606
Phone (310) 997-4884

Other identifiers 1

IdentifierTypeStateIssuer
138819OtherCA1710182779

National Provider Directory

National Provider Directory

Locations

436 N Bedford Dr
Ste 311
Beverly Hills, CA 90210
Phone (310) 890-5834

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1747094400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1759968000000",
    "number": "1255122941",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9903 STA MONICA BLVD # 208",
            "city": "BEVERLY HILLS",
            "state": "CA",
            "postal_code": "902121606",
            "telephone_number": "310-997-4884",
            "fax_number": "310-579-4992"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 N ROXBURY DR STE 101",
            "city": "BEVERLY HILLS",
            "state": "CA",
            "postal_code": "902104209",
            "telephone_number": "310-997-4884",
            "fax_number": "310-579-4992"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MATTHEW SIEDHOFF MD PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-05-13",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A",
        "authorized_official_last_name": "SIEDHOFF",
        "authorized_official_first_name": "MATTHEW",
        "authorized_official_middle_name": "THOMAS",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "917-687-4094",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207VG0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "1710182779",
            "identifier": "138819",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Beverly Hills, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; 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.