Organization Active NPI

Urological Medical Group of North Orange County

  • Urology Physician
  • Fullerton, CA
National Provider Identifier
1154329266
Registry record updated Oct 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
A65760 Issued in CA
Legal business name
UROLOGICAL MEDICAL GROUP OF NORTH ORANGE COUNTY
Practice address
1400 N Harbor Blvd Ste 300
Fullerton, CA 92835-4145
Phone
(714) 830-5970
Fax
(714) 870-4792
NPI assigned
Jul 12, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 17, 2025

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

Authorized official

Name
Dr. Eric Brendan TygenhofNPI 1437451820
Title
Partner
Phone
(323) 865-3700

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
Urology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 208800000X A65760 CA Primary

Addresses

Primary practice location

1400 N Harbor Blvd Ste 300
Fullerton, CA 92835-4145

Mailing address

1400 N Harbor Blvd Ste 300
Fullerton, CA 92835-4145
Phone (714) 830-5970

National Provider Directory

National Provider Directory
Tax ID family
Urological Medical Group of North Orange County3 organizations share this tax ID, including this one

Other organizations with this tax ID 2

Organizations that report the same tax identification number in the National Provider Directory.

Locations

301 W Bastanchury Rd
Ste 180
Fullerton, CA 92835
Phone (714) 870-5970

Practitioners & affiliated clinicians

Practitioners 6

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": "1121126400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760659200000",
    "number": "1154329266",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1400 N HARBOR BLVD STE 300",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928354145",
            "telephone_number": "714-830-5970",
            "fax_number": "714-870-4792"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 N HARBOR BLVD STE 300",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928354145",
            "telephone_number": "714-830-5970",
            "fax_number": "714-870-4792"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "UROLOGICAL MEDICAL GROUP OF NORTH ORANGE COUNTY",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-07-12",
        "last_updated": "2025-10-17",
        "certification_date": "2025-10-17",
        "status": "A",
        "authorized_official_last_name": "TYGENHOF",
        "authorized_official_first_name": "ERIC",
        "authorized_official_middle_name": "BRENDAN",
        "authorized_official_title_or_position": "PARTNER",
        "authorized_official_telephone_number": "323-865-3700",
        "authorized_official_name_prefix": "Dr."
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Urology",
            "state": "CA",
            "license": "A65760",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fullerton, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 17, 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.