Sean Michael Nickley, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PS020735 Issued in PA

Practice address

3900 Woodland Ave
Philadelphia, PA 19104-4551

Phone

(215) 823-5800

NPI assigned

May 19, 2026

Sex

Male

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1779148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1730019282",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1251 N 29TH ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191214537"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3900 WOODLAND AVE",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044551",
            "telephone_number": "215-823-5800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICKLEY",
        "first_name": "SEAN",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-05-19",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "PA",
            "license": "PS020735",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Keith Nicholson, D.D.S
• Liberty Nickelsberg, CRNA
• Jennifer Nickerson, CRNA
• Joshua Nickerson, DO
• Amanda Nickles
• David E Nicklin, MD
• Katelyn Elizabeth Nicklow, M.S., BCBA
• Julie Marie Nickman, D.M.D.
• Kelly Nicol, DO
• Marios Nicolaou, M.D., PH.D.

• 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 May 19, 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.