Donald M Wallach, MFT

Primary specialty

Marriage & Family TherapistTaxonomy code 106H00000X

License

34379 Issued in CA

Practice address

222 Weller St Ste 205
Petaluma, CA 94952-7107

Phone

(707) 583-2305

NPI assigned

Jun 2, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Dec 14, 2024 through Dec 14, 2026

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• True Stance Family Counseling Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Petaluma, CA
  • NPI 1295546802

  Marriage & Family Therapist

  NPD Authorized official

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

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736812800000",
    "number": "1902844244",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "222 WELLER ST STE 205",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949527107",
            "telephone_number": "707-583-2305"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "222 WELLER ST STE 205",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949527107",
            "telephone_number": "707-583-2305"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALLACH",
        "first_name": "DONALD",
        "middle_name": "M",
        "credential": "MFT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-06-02",
        "last_updated": "2025-01-14",
        "certification_date": "2025-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "34379",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Walker Speech Therapy, Inc.
• Lori S Walker, M.A.,C.C.C.
• Mona Maxine Walker, BEHAVIOR TECHNICIAN
• Mya Walker
• Kathleen M Wall
• Sarah Walsh
• Juli Walters
• Lilian Walters, NP
• Chenxin Wan, L.AC
• Sonja Marie Wanhala, LMFT

• Marriage & Family Therapist in Petaluma, CA
• Providers in Petaluma, CA by specialty
• Marriage & Family Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.