Individual provider Active NPI

William J. Massinger IV, LCSW

  • Clinical Social Worker
  • Southampton, PA
National Provider Identifier
1255466371
Registry record updated Jun 6, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
CW008523L Issued in PA
Practice address
504 Lakeside Drive
Southampton, PA 18966
Phone
(215) 354-0777
Fax
(215) 354-0772
NPI assigned
Feb 22, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 6, 2011

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X CW008523L PA Primary

Addresses

Primary practice location

504 Lakeside Drive
Southampton, PA 18966

Mailing address

504 Lakeside Drive
Southampton, PA 18966
Phone (215) 264-4550

Other identifiers 3

IdentifierTypeStateIssuer
242694251OtherPAUBH
MA1312953OtherPAHIGHMARK BLUE SHIELD
2006808000OtherPAPERSONAL CHOICE

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20130731000149 PA Practitioner - Clinical Social Worker 6406097674 Practice locations: Doylestown, PA; Southampton, PA

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

504 Lakeside Dr
Southampton, PA 18960-4078

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
New Leaf Psychotherapy Services CurrentSince Apr 27, 2026 Accepting new patients

Locations

504 Lakeside Park
Southampton, PA 18966
Phone (215) 354-0777

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1172102400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1307318400000",
    "number": "1255466371",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "504 LAKESIDE DRIVE",
            "city": "SOUTHAMPTON",
            "state": "PA",
            "postal_code": "18966",
            "telephone_number": "215-264-4550"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "504 LAKESIDE DRIVE",
            "city": "SOUTHAMPTON",
            "state": "PA",
            "postal_code": "18966",
            "telephone_number": "215-354-0777",
            "fax_number": "215-354-0772"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASSINGER",
        "first_name": "WILLIAM",
        "middle_name": "J.",
        "name_suffix": "IV",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-02-22",
        "last_updated": "2011-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "PA",
            "license": "CW008523L",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UBH",
            "identifier": "242694251",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK BLUE SHIELD",
            "identifier": "MA1312953",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PERSONAL CHOICE",
            "identifier": "2006808000",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Southampton, PA

Sources for this page

Verify at the official NPI Registry.