Ariel Maust, LCSW

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Practice address

245C Nassau St
Princeton, NJ 08540-4619

Phone

(609) 375-8727

NPI assigned

Mar 6, 2022

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

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.

• KS Therapy and Consultation

  • Mental Health Counselor
  • Pennington, NJ
  • NPI 1992398739
  NPD (past)

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

{
    "created_epoch": "1646524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776211200000",
    "number": "1720735178",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "245C NASSAU ST",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085404619",
            "telephone_number": "609-375-8727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "245C NASSAU ST",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085404619",
            "telephone_number": "609-375-8727"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAUST",
        "first_name": "ARIEL",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-03-06",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jeffrey A Mattes, MD
• Matthew D Haar, PHD Inc
• Wendy S. Matthews, PH.D.
• Nikole Mauger, MA, BCBA
• Robin L Maulshagen
• Casey Nicole Maxwell, A.T.C.
• Heather Maxwell, LCSW, LCADC
• Bridget Mayer, PSYD
• Rachel Janice Mayer
• Lauren Rae McAllister, BCABA

• Mental Health Counselor in Princeton, NJ
• Providers in Princeton, NJ by specialty
• Mental Health Counselor in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 2026; 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.