Constance Mesiarik, PHD

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSO17232 Issued in PA

Practice address

1304 E High St Ste 2
Pottstown, PA 19464-4958

Phone

(610) 776-9546

NPI assigned

Apr 11, 2026

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

Credentials

Doctor of Philosophy

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.

• Pathways MPS LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Pottstown, PA
  • NPI 1871436261
  NPD Authorized official

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

{
    "created_epoch": "1775865600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775865600000",
    "number": "1053254441",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 355",
            "city": "POTTSTOWN",
            "state": "PA",
            "postal_code": "194640355",
            "telephone_number": "484-431-0587"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1304 E HIGH ST STE 2",
            "city": "POTTSTOWN",
            "state": "PA",
            "postal_code": "194644958",
            "telephone_number": "610-776-9546"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESIARIK",
        "first_name": "CONSTANCE",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-04-11",
        "last_updated": "2026-04-11",
        "certification_date": "2026-04-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "PA",
            "license": "PSO17232",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patricia Anne Mensch, LPC,NCC
• Mental Health Partnerships
• Brooke Ashley Mercer, COTA
• Charlotte Mercon
• Mark Merryman, LSW
• Sofie Messone Tapia
• Ashley Mest
• William Jay Metz, DMD
• Stephanie Meyer
• Michael D Perilstein, MD PC

• Clinical Psychologist in Pottstown, PA
• Providers in Pottstown, PA by specialty
• Clinical Psychologist in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 11, 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.