James Spencer Slattery Jr., DMD

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

DS042287 Issued in PA

Practice address

23 Regency PLZ
Glen Mills, PA 19342-1001

Phone

(610) 358-5690

NPI assigned

Aug 26, 2019

Sex

Male

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

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.

• Slattery Dental PLLC

  • General Practice Dentistry
  • Glen Mills, PA
  • NPI 1992519078
  NPD Authorized official
• Glen Mills Dental PLLC

  • General Practice Dentistry
  • Glen Mills, PA
  • NPI 1689386088
  NPD

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

{
    "created_epoch": "1566777600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1962059899",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23 REGENCY PLZ",
            "city": "GLEN MILLS",
            "state": "PA",
            "postal_code": "193421001",
            "telephone_number": "610-358-5690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23 REGENCY PLZ",
            "city": "GLEN MILLS",
            "state": "PA",
            "postal_code": "193421001",
            "telephone_number": "610-358-5690"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SLATTERY",
        "first_name": "JAMES",
        "middle_name": "SPENCER",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "DMD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-08-26",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "PA",
            "license": "DS042287",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michele Siciliano, RPH
• Steven R Sierakowski, DMD
• Marissa H Simon, CCC-SLP
• Brittany Slaper, NP-C
• Slattery Dental PLLC
• Clare Alma Sloane, LCSW
• Cynthia Jo Slomowitz, M.S., L.P.T.
• Smile Culture 3, PC
• Allen R Smith, MSW
• Cathy Smith, MD

• General Practice Dentistry in Glen Mills, PA
• Providers in Glen Mills, PA by specialty
• General Practice Dentistry in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2025; 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.