Mary Ann Mayer, LCSW

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

LCSW93942 Issued in CA

Practice address

4401 Sepulveda Blvd Unit 210
Sherman Oaks, CA 91403-3934

Phone

(424) 218-9880

NPI assigned

Aug 29, 2012

Last updated

Feb 12, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Enrolled in CA, AZ2 enrollments

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 2

Specialty

Clinical Social Worker

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Sea Glass Mental Health Inc.Group PAC ID 0547643959, 3 clinicians

Parish Health and Wellness IncGroup PAC ID 4880941426, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Sea Glass Mental Health Inc

  • Professional Counselor
  • Scottsdale, AZ
  • NPI 1417688821

  Mental Health

  Medicare reassignment Care Compare group NPD
• Parish Health and Wellness, Inc.

  • Mental Health Counselor
  • Red Bluff, CA
  • NPI 1215472428
  Medicare reassignment Care Compare group
• Apex Therapy Group, a Marriage and Family Therapy Corporation

  • Marriage & Family Therapist
  • Sherman Oaks, CA
  • NPI 1346838422
  NPD (past)

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

{
    "created_epoch": "1346198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770854400000",
    "number": "1184973703",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7050 E SUNRISE DR UNIT 5105",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857500864",
            "telephone_number": "310-895-4160"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4401 SEPULVEDA BLVD UNIT 210",
            "city": "SHERMAN OAKS",
            "state": "CA",
            "postal_code": "914033934",
            "telephone_number": "424-218-9880"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYER",
        "first_name": "MARY",
        "middle_name": "ANN",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-08-29",
        "last_updated": "2026-02-12",
        "certification_date": "2026-02-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "LCSW93942",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maxim Healthcare Services, Inc.
• Maxim Healthcare Services, Inc.
• Maxim Healthcare Services, Inc.
• Maximum Care Medical Center, Inc.
• Maxsons Pharmacy Inc (Maxsons Drugs)
• Mia Mazzanti
• Adam Mazzeo, DC
• Christine MC Nally, LVN
• Christy Mechelle McAfee, NP-C
• William E McAninch, O.D.

• Mental Health Counselor in Sherman Oaks, CA
• Providers in Sherman Oaks, CA by specialty
• Mental Health Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 12, 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.