Catherine Ann Bayer, PHD

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY9696 Issued in CA

Practice address

4605 Hidden Oaks Rd
Santa Rosa, CA 95404-9541

Phone

(707) 546-8209

NPI assigned

Sep 27, 2005

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 4

Other names 1

• Catherine Bayer Professional name

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1127779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932195765",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2453",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954050453",
            "telephone_number": "707-546-8209"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4605 HIDDEN OAKS RD",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954049541",
            "telephone_number": "707-546-8209"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAYER",
        "first_name": "CATHERINE",
        "middle_name": "ANN",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-09-27",
        "last_updated": "2026-07-13",
        "certification_date": "2020-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "MFC12476 INACTIVE",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY9696",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "USBH",
            "identifier": "6137427",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FIRST HEALTH",
            "identifier": "1935063",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "0005468708",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "PSY096961",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CATHERINE",
            "last_name": "BAYER",
            "credential": "PHD",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Bay Area Foot Care Inc
• Bay Area Foot Care, Inc
• Bay Area Music Therapy LLC
• Bay Area Spine & Sport, Inc
• Nicole Bayard, DNP, FNP, APRN
• Anna Baylor
• Panathda Victoria Bayrasy, PHARMD
• Miellie Bazzano
• Be the Change in Mental Health
• Constance Anne Beall, MFT

• Clinical Psychologist in Santa Rosa, CA
• Providers in Santa Rosa, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.