Fredrick J Dietzen Chiropractic Professional Corporation

Primary specialty

ChiropractorTaxonomy code 111N00000X

Legal business name

FREDRICK J DIETZEN CHIROPRACTIC PROFESSIONAL CORPORATION

Practice address

742 Arnold Dr Ste C
Martinez, CA 94553-6867

Phone

(925) 372-0700

NPI assigned

Dec 2, 2025

Organization subpart

No

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

Authorized official

Name

Dr. Fredrick James Dietzen, DCNPI 1306282751

Title

President

Phone

(415) 794-2645

Specialties & licenses 1

Addresses

Locations

Practitioners 2

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

• Fredrick Dietzen, DC

  • Chiropractor
  • Pleasant Hill, CA
  • NPI 1306282751
  NPD Authorized official
• Keisha Harmon

  • Massage Therapist
  • Martinez, CA
  • NPI 1649191289
  NPD (past)

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

{
    "created_epoch": "1764633600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764720000000",
    "number": "1285596726",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "742 ARNOLD DR STE C",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945536867",
            "telephone_number": "925-372-0700",
            "fax_number": "925-387-0674"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "742 ARNOLD DR STE C",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945536867",
            "telephone_number": "925-372-0700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "FREDRICK J DIETZEN CHIROPRACTIC PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-02",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A",
        "authorized_official_last_name": "DIETZEN",
        "authorized_official_first_name": "FREDRICK",
        "authorized_official_middle_name": "JAMES",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "415-794-2645",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DC"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Chiropractor",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Connor James Francis, DDS
• Stephen Connor Francis, D.D.S.
• Francoise Contastin
• Anna Elizabeth Fraser-Hulthage
• Deborah Ann Frederick, MSN, NP, APRN-C
• Elizabeth C. Freitas, NDTR, CHES
• Amber Kipril Fretwell, M.A.
• Helena Lucas Frischtak, M.D.
• Kathleen Frost, R.N.
• Lisa Frost, RN, NP

• Chiropractor in Martinez, CA
• Providers in Martinez, CA by specialty
• Chiropractor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 3, 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.