Individual provider Active NPI

Elizabeth Williams-Drueding, DO

  • Internal Medicine Physician
  • King of Prussia, PA
National Provider Identifier
1639589351
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
OS023372 Issued in PA
Practice address
700 S Henderson Rd Ste 108
King of Prussia, PA 19406-3530
Phone
(484) 923-9176
Fax
(484) 873-1689
NPI assigned
May 2, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X OS023372 PA Primary

Addresses

Primary practice location

700 S Henderson Rd Ste 108
King of Prussia, PA 19406-3530

Mailing address

700 S Henderson Rd Ste 108
King of Prussia, PA 19406-3530
Phone (484) 923-9176

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.
Opted out of Medicare
Yes, effective Dec 20, 2024 through Dec 20, 2026

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Sports Medicine
Education
Philadelphia College of Osteopathic Medicine, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Novacare Outpatient Rehabilitation East, Inc.Group PAC ID 3678480290, shared by 15 NPIs, 493 clinicians

Practice addresses (Care Compare)

201 2ND Ave
Collegeville, PA 19426-3613
Phone (610) 489-7703

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
OS023372PAMDInternal Medicine Physician
16533CAMDSpeech-Language Pathologist

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1398988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1639589351",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 S HENDERSON RD STE 108",
            "city": "KING OF PRUSSIA",
            "state": "PA",
            "postal_code": "194063530",
            "telephone_number": "484-923-9176",
            "fax_number": "484-873-1689"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 S HENDERSON RD STE 108",
            "city": "KING OF PRUSSIA",
            "state": "PA",
            "postal_code": "194063530",
            "telephone_number": "484-923-9176",
            "fax_number": "484-873-1689"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS-DRUEDING",
        "first_name": "ELIZABETH",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-05-02",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OS023372",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in King of Prussia, PA

Sources for this page

Verify at the official NPI Registry.