Dr Michael J Williams, MD - Medicare Anesthesiology in Philadelphia, PA

Dr Michael J Williams, MD is a medicare enrolled "Anesthesiology" physician in Philadelphia, Pennsylvania. He went to Washington University School Of Medicine and graduated in 1981 and has 43 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Jefferson University Physicians, Eastern Maine Medical Center and his current practice location is 111 S 11th St, Suite 8490, Philadelphia, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (215) 955-6161.

Dr Michael J Williams is licensed to practice in Pennsylvania (license number MD047174L) 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 1750300083.

Contact Information

Dr Michael J Williams, MD
111 S 11th St, Suite 8490,
Philadelphia, PA 19107-4824
(215) 955-6161
(215) 923-5507

Map and Direction




Physician's Profile

Full NameDr Michael J Williams
GenderMale
SpecialityAnesthesiology
Experience43 Years
Location111 S 11th St, Philadelphia, Pennsylvania
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:
  • Dr Michael J Williams attended and graduated from Washington University School Of Medicine in 1981
  NPI Data:
  • NPI Number: 1750300083
  • Provider Enumeration Date: 07/18/2006
  • Last Update Date: 12/16/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 5991835506
  • Enrollment ID: I20100608000771

Medical Identifiers

Medical identifiers for Dr Michael J Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1750300083NPI-NPPES
001299850MedicaidPA
5638101MedicaidNJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology MD047174L (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Thomas Jefferson University HospitalPhiladelphia, PAHospital
Eastern Maine Medical CenterBangor, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Jefferson University Physicians79118191801273
Eastern Maine Medical Center2062315161588

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. Dr Michael J Williams allows following entities to bill medicare on his behalf.
Entity NameJefferson University Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326093675
PECOS PAC ID: 7911819180
Enrollment ID: O20040225000232

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. Dr Michael J Williams 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
Dr Michael J Williams, MD
111 S 11th St, Suite 8490,
Philadelphia, PA 19107-4824

Ph: () -
Dr Michael J Williams, MD
111 S 11th St, Suite 8490,
Philadelphia, PA 19107-4824

Ph: (215) 955-6161

Reviews and Comments


Anesthesiology Doctors in Philadelphia, PA

Priscilla Nelson, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 3400 Spruce St, 6 Dulles, Philadelphia, PA 19104
Phone: 215-349-8310    
Nicole Lynn Renaldi, D.O.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 111 S 11th St, Suite 8490, Philadelphia, PA 19107
Phone: 215-955-6161    Fax: 215-923-5507
Monique Lorraine Roberts,
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 3400 Spruce St, Philadelphia, PA 19104
Phone: 215-662-4000    
Sarah Kumar, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 3400 Spruce Street, Philadelphia, PA 19104
Phone: 215-349-8310    Fax: 215-893-7270
Akshat Gargya,
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 3401 N Broad St, Department Of Anesthesiology Temple University Hospital, Philadelphia, PA 19140
Phone: 847-660-4085    
Aaron William Montani, DO
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 3401 N Broad St, Philadelphia, PA 19140
Phone: 215-707-2000    
Kathleen M Veloso, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 800 Spruce St, Philadelphia, PA 19107
Phone: 215-829-5664    

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.