Mary Jean Shirk, PSYD

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PS019648 Issued in PA

Practice address

3535 Market St Ste 1230
Philadelphia, PA 19104-6509

Phone

(610) 892-3800

NPI assigned

Apr 19, 2020

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

Medicare fee-for-service enrollment

Enrolled in PA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Delaware County Professional Services, IncGroup PAC ID 2668436692, 276 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

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.

• Delaware County Professional Services, Inc

  • Psychiatry Physician
  • Media, PA
  • NPI 1952485864
  Medicare reassignment Care Compare group
• Enspire Consulting Group.LLC

  • School Psychologist
  • Philadelphia, PA
  • NPI 1689296790
  NPD (past)

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

{
    "created_epoch": "1587254400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742515200000",
    "number": "1629698774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3535 MARKET ST STE 1230",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191046509",
            "telephone_number": "610-892-3800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3535 MARKET ST STE 1230",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191046509",
            "telephone_number": "610-892-3800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "255 S 17th St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191036231",
            "country_code": "US",
            "telephone_number": "610-892-3800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SHIRK",
        "first_name": "MARY",
        "middle_name": "JEAN",
        "credential": "PSYD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-19",
        "last_updated": "2025-03-21",
        "certification_date": "2025-03-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "PA",
            "license": "PS019648",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David M Shipon, MD
• Noel Shipp
• Janice Shippey
• Madison Shira, MS NCC
• Maziar Shirazi, M.D.
• Manoj Amrut Shirodkar, MD
• Monika Khanna Shirodkar, MD
• Adam Michael Shiroff, M.D.
• Ashley Somi Shirriff, MD
• Emily Shissler, PA-C

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.