Individual provider Active NPI

Joseph Post Williams II, M.D.

  • Interventional Pain Medicine Physician
  • Danville, PA
National Provider Identifier
1841233087
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Pain Medicine PhysicianTaxonomy code 208VP0014X
License
34581 Issued in KY
Practice address
100 N Academy Ave
14-05 Neurosurgery
Danville, PA 17822-9800
Phone
(550) 271-6437
Fax
(570) 271-6663
NPI assigned
Jun 14, 2006
Last updated
Jul 13, 2026By the provider in NPPES
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 3

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X MD425309 PA
Surgery Physician 208600000X A20299 CA
Interventional Pain Medicine Physician 208VP0014X 34581 KY Primary

Addresses

Primary practice location

100 N Academy Ave
14-05 Neurosurgery
Danville, PA 17822-9800

Mailing address

4911 NE 19TH Ave
Apt. 1
Fort Lauderdale, FL 33308-4511
Phone (954) 772-7357

Other identifiers 1

IdentifierTypeStateIssuer
64-34-58-12MedicaidKY

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)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A20299CAMDSurgery Physician
34581KYMDInterventional Pain Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Geisinger Clinic Past Accepting new patients
Physician Services PSC Neurological Surgery Past Accepting new patients
Physician Services PSC Past Accepting new patients

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1841233087",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4911 NE 19TH AVE",
            "address_2": "APT. 1",
            "city": "FORT LAUDERDALE",
            "state": "FL",
            "postal_code": "333084511",
            "telephone_number": "954-772-7357"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 N ACADEMY AVE",
            "address_2": "14-05 NEUROSURGERY",
            "city": "DANVILLE",
            "state": "PA",
            "postal_code": "178229800",
            "telephone_number": "550-271-6437",
            "fax_number": "570-271-6663"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JOSEPH",
        "middle_name": "POST",
        "name_prefix": "Dr.",
        "name_suffix": "II",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "PA",
            "license": "MD425309",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A20299",
            "primary": false
        },
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "KY",
            "license": "34581",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "64-34-58-12",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Danville, 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.