Mercedes Thiessen

Primary specialty

Professional CounselorTaxonomy code 101YP2500X

License

37PC01202300 Issued in NJ

Practice address

1 Edgeview Dr Ste 2B
Hackettstown, NJ 07840-4003

Phone

(908) 246-1480

NPI assigned

Nov 4, 2025

Last updated

Nov 4, 2025By 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

Other names 1

• Mercedes Hennings Former name

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

• Kimberly Schaffer, LLC

  dba Attentive Psychotherapy & Counseling Center

  • Clinical Social Worker
  • Hackettstown, NJ
  • NPI 1174175772

  Professional

  NPD

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

{
    "created_epoch": "1762214400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762214400000",
    "number": "1265301527",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EDGEVIEW DR STE 2B",
            "city": "HACKETTSTOWN",
            "state": "NJ",
            "postal_code": "078404003",
            "telephone_number": "908-246-1480"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 EDGEVIEW DR STE 2B",
            "city": "HACKETTSTOWN",
            "state": "NJ",
            "postal_code": "078404003",
            "telephone_number": "908-246-1480"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THIESSEN",
        "first_name": "MERCEDES",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-11-04",
        "last_updated": "2025-11-04",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "NJ",
            "license": "37PC01202300",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MERCEDES",
            "last_name": "HENNINGS",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• The Radiology Group of New Jersey, LLC (The Medical Group of New Jersey)
• Thearc, Warren County Chapter
• Theracure LLC
• Theresa a. Cassano, D.M.D., PC (Hackettstown Family Dental)
• Lillian Johanna Theune, D.O.
• Thomas W Campion
• Thrift Drug Inc (Rite Aid Pharmacy 10429)
• Steven Michael Tierney, PT
• Nadine Tillman
• Pura Riza Pulido Torio, PHYSICAL THERAPIST

• Professional Counselor in Hackettstown, NJ
• Providers in Hackettstown, NJ by specialty
• Professional Counselor in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 4, 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.