William P Williamson Ii, MD - Medicare Physical Medicine And Rehabilitation in Louisville, KY

William P Williamson Ii, MD is a medicare enrolled "Physical Medicine & Rehabilitation" physician in Louisville, Kentucky. He went to University Of Louisville School Of Medicine and graduated in 1986 and has 38 years of diverse experience with area of expertise as Physical Medicine And Rehabilitation. He is a member of the group practice University Of Louisville Physicians Inc, University Of Louisville Physicians Inc and his current practice location is 220 Abraham Flexner Way, Suite 500, Louisville, Kentucky. You can reach out to his office (for appointments etc.) via phone at (502) 584-3376.

William P Williamson Ii is licensed to practice in Kentucky (license number 25809) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1659345890.

Contact Information

William P Williamson Ii, MD
220 Abraham Flexner Way, Suite 500,
Louisville, KY 40202-3826
(502) 584-3376
(502) 584-1385

Map and Direction




Physician's Profile

Full NameWilliam P Williamson Ii
GenderMale
SpecialityPhysical Medicine And Rehabilitation
Experience38 Years
Location220 Abraham Flexner Way, Louisville, Kentucky
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William P Williamson Ii attended and graduated from University Of Louisville School Of Medicine in 1986
  NPI Data:
  • NPI Number: 1659345890
  • Provider Enumeration Date: 02/15/2006
  • Last Update Date: 06/09/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0749271070
  • Enrollment ID: I20100929000782

Medical Identifiers

Medical identifiers for William P Williamson Ii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659345890NPI-NPPES
200024010MedicaidIN
2432688000OtherKYPASSPORT ADVANTAGE
64258098MedicaidKY
1049835OtherKYPASSPORT
000000048657OtherKYANTHEM
61-1086535OtherKYTAX ID

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208100000XPhysical Medicine & Rehabilitation 25809 (Kentucky)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Norton Hospitals, IncLouisville, KYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Louisville Physicians Inc34767255991111
University Of Louisville Physicians Inc34767255991111

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William P Williamson Ii allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Louisville Physicians Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366722316
PECOS PAC ID: 3476725599
Enrollment ID: O20111017000036

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William P Williamson Ii is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
William P Williamson Ii, MD
220 Abraham Flexner Way, Suite 500,
Louisville, KY 40202-3826

Ph: (502) 584-3376
William P Williamson Ii, MD
220 Abraham Flexner Way, Suite 500,
Louisville, KY 40202-3826

Ph: (502) 584-3376

Reviews and Comments


Physical Medicine & Rehabilitation Doctors in Louisville, KY

Ms. Alisha Davis,
Physical Medicine & Rehabilitation
Medicare: Not Enrolled in Medicare
Practice Location: 6000 Hunting Rd, Louisville, KY 40222
Phone: 812-599-6056    
Rizwan N Khan, MD
Physical Medicine & Rehabilitation
Medicare: Not Enrolled in Medicare
Practice Location: 2137 Dixie Hwy, Louisville, KY 40210
Phone: 502-712-1292    Fax: 502-901-9955
Dr. Warren Joseph Bilkey Jr., M.D.
Physical Medicine & Rehabilitation
Medicare: Not Enrolled in Medicare
Practice Location: 1227 Goss Ave, Louisville, KY 40217
Phone: 502-619-1771    Fax: 502-245-1380
James Jason Miller, M.D.
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 300 Shelby Station Dr, Louisville, KY 40245
Phone: 502-254-0009    Fax: 502-753-6460
Karen K. Bloom, M.D.
Physical Medicine & Rehabilitation
Medicare: Medicare Enrolled
Practice Location: 18 River Hill Rd, Louisville, KY 40207
Phone: 502-645-1043    Fax: 815-550-2223
Dr. Camilo Castillo, MD
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 220 Abraham Flexner Way #1200, Louisville, KY 40202
Phone: 502-584-3377    Fax: 502-584-3480
Ellen Margaret Ballard, M.D.
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 1941 Bishop Ln Ste 402, Louisville, KY 40218
Phone: 502-458-2677    Fax: 502-458-2163

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.