Individual provider Active NPI

Gary Harmon Seidenberg, ED D

  • Psychologist
  • Philadelphia, PA
National Provider Identifier
1770575151
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
PS003691L Issued in PA
Practice address
7901 Bustleton Ave
Suite 12
Philadelphia, PA 19152-3328
Phone
(215) 332-1164
NPI assigned
Aug 22, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X PS003691L PA Primary

Addresses

Primary practice location

7901 Bustleton Ave
Suite 12
Philadelphia, PA 19152-3328

Mailing address

9981 Wistaria St
Philadelphia, PA 19115-1721
Phone (215) 673-4263

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
PS003691LPAMDPsychologist

NPI Registry JSON

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

{
    "created_epoch": "1124668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1770575151",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9981 WISTARIA ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191151721",
            "telephone_number": "215-673-4263"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7901 BUSTLETON AVE",
            "address_2": "SUITE 12",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191523328",
            "telephone_number": "215-332-1164"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEIDENBERG",
        "first_name": "GARY",
        "middle_name": "HARMON",
        "name_prefix": "Dr.",
        "credential": "ED D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "PA",
            "license": "PS003691L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.