Dexter Psychological Services PLLC

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

6301015743 Issued in MI

Legal business name

DEXTER PSYCHOLOGICAL SERVICES PLLC

Practice address

211 3Rd St
Ann Arbor, MI 48103-4304

Phone

(734) 395-9380

NPI assigned

Jun 29, 2015

Last updated

Jun 25, 2026By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Dr. Marianne Elizabeth Wishka, PSYD, LPNPI 1730327115

Title

Licensed Psychologist/Founder

Phone

(734) 395-9380

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

Enrollment records 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Marianne E Wishka, PSY.D

  • Clinical Psychologist
  • Ann Arbor, MI
  • NPI 1730327115
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1435536000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782345600000",
    "number": "1730561515",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "211 3RD ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481034304",
            "telephone_number": "734-395-9380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "211 3RD ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481034304",
            "telephone_number": "734-395-9380"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DEXTER PSYCHOLOGICAL SERVICES PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2015-06-29",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A",
        "authorized_official_last_name": "WISHKA",
        "authorized_official_first_name": "MARIANNE",
        "authorized_official_middle_name": "ELIZABETH",
        "authorized_official_title_or_position": "LICENSED PSYCHOLOGIST/FOUNDER",
        "authorized_official_telephone_number": "734-395-9380",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PSYD, LP"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MI",
            "license": "6301015743",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Genevieve Lee Dewitt, OTRL
• Jaimie Dewitt, LPN
• Rachel Davis Dewitt, PA-C
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• Sreyashi Dey, MSW
• Morgan Deyoe
• Adam Dezure, MD
• Dharma Psychiatry PLLC
• Armaan Dhillon, MD

• Clinical Psychologist in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Clinical Psychologist in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.