Esther Flavien, MHC-LP

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

P132761 Issued in NY

Practice address

19 Union SQ W FL 7
New York, NY 10003-3304

Phone

(212) 627-9600

NPI assigned

Jun 10, 2025

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

• Realization Center, Inc.

  • Clinic/Center
  • New York, NY
  • NPI 1699827345
  NPD
• Realization Center

  • Substance Use Disorder Rehabilitation Clinic/Center
  • New York, NY
  • NPI 1972932465
  NPD (past)

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

{
    "created_epoch": "1749513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749513600000",
    "number": "1205721206",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3285 HOLME AVE",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191143806",
            "telephone_number": "267-242-4972"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19 UNION SQ W FL 7",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100033304",
            "telephone_number": "212-627-9600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLAVIEN",
        "first_name": "ESTHER",
        "credential": "MHC-LP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-10",
        "last_updated": "2025-06-10",
        "certification_date": "2025-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "NY",
            "license": "39644",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NY",
            "license": "P132761",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erin Flattery, M.D.
• Julia Flatto
• Mitchell Flaum, PHD
• Sophia Flaum
• Robert Richard Flavell, MD
• Breean Flax
• Herschel Flax, M.D.
• Kenneth Lyle Flax
• Samuel Leon Flax, D.P.T.
• Erwin Flaxman

• Mental Health Counselor in New York, NY
• Providers in New York, NY by specialty
• Mental Health Counselor in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 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.