Patrick W Diesfeld MD a Professional Corporation

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

Legal business name

PATRICK W DIESFELD MD A PROFESSIONAL CORPORATION

Practice address

168 N Brent St Ste 407
Ventura, CA 93003-2824

Phone

(805) 648-2717

Fax

(805) 648-2023

NPI assigned

Mar 21, 2024

Organization subpart

No

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

Authorized official

Name

Patrick Diesfeld, MD

Title

Doctor

Phone

(805) 648-2717

Specialties & licenses 1

Addresses

Other names 1

• Women's Health Group of Ventura Doing business as

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

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

{
    "created_epoch": "1710979200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756771200000",
    "number": "1598525909",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "168 N BRENT ST STE 407",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930032824",
            "telephone_number": "805-648-7127",
            "fax_number": "805-648-2023"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "168 N BRENT ST STE 407",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930032824",
            "telephone_number": "805-648-2717",
            "fax_number": "805-648-2023"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PATRICK W DIESFELD MD A PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-03-21",
        "last_updated": "2025-09-02",
        "certification_date": "2024-07-02",
        "status": "A",
        "authorized_official_last_name": "DIESFELD",
        "authorized_official_first_name": "PATRICK",
        "authorized_official_title_or_position": "DOCTOR",
        "authorized_official_telephone_number": "805-648-2717",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Women's Health Group of Ventura",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Mangala Patil-Holt, DDS
• Ruhi Patil, DO
• Matthew Patjawee
• Patricia D Luckerorth Professional Medical Corporation
• Patrick and Margaret Barker
• Charlene Kay Patt, M.A.
• Srisawai Pattamakom, M.D.
• Anuchit Pattanachinda
• Sara Jane Patterson, AMFT
• Stanley Patterson, M.D.

• Obstetrics & Gynecology Physician in Ventura, CA
• Providers in Ventura, CA by specialty
• Obstetrics & Gynecology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• 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.