Esther Rachel O'Neil, AMFT

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

149672 Issued in CA

Practice address

4299 Macarthur Blvd Ste 200
Newport Beach, CA 92660-2095

Phone

(949) 480-7767

NPI assigned

Aug 15, 2025

Sex

Female

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

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Michele Lob, a Professional Corporation

  • Community/Behavioral Health Agency
  • Newport Beach, CA
  • NPI 1174075675
  NPD (past)

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

{
    "created_epoch": "1755216000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755216000000",
    "number": "1003793746",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4299 MACARTHUR BLVD STE 200",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926602095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4299 MACARTHUR BLVD STE 200",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926602095",
            "telephone_number": "949-480-7767"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEIL",
        "first_name": "ESTHER",
        "middle_name": "RACHEL",
        "credential": "AMFT",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-08-15",
        "last_updated": "2025-08-15",
        "certification_date": "2025-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "149672",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christopher P O'Carroll, M.D.
• Elizabeth O'Connell, MD
• Bethany Marie Stelnicki O'Connor, M.D.
• Matthew O'Mahoney, D.P.T.
• Tamara O'Nan, PA-C
• Oac Southern Medical Professional Corporation
• Oasis Anesthesia, Surgical and Medical Group, Inc
• Chanel E Obas
• Vivian Oberling, PSYD
• Catherine Marie Obrien, MA

• Mental Health Counselor in Newport Beach, CA
• Providers in Newport Beach, 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 Aug 15, 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.