Mary Ellen Williams, DO - Medicare Family Medicine in Whitehall, PA

Mary Ellen Williams, DO is a medicare enrolled "Family Medicine" physician in Whitehall, Pennsylvania. Her current practice location is 3691 Crescent Ct E Ste 201, Whitehall, Pennsylvania. You can reach out to her office (for appointments etc.) via phone at (610) 434-9561.

Mary Ellen Williams is licensed to practice in Pennsylvania (license number OS008484L) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1093855793.

Contact Information

Mary Ellen Williams, DO
3691 Crescent Ct E Ste 201,
Whitehall, PA 18052-3433
(610) 434-9561
Not Available

Map and Direction




Physician's Profile

Full NameMary Ellen Williams
GenderFemale
SpecialityFamily Medicine
Location3691 Crescent Ct E Ste 201, Whitehall, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1093855793
  • Provider Enumeration Date: 02/08/2007
  • Last Update Date: 07/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8325196975
  • Enrollment ID: I20090508000241

Medical Identifiers

Medical identifiers for Mary Ellen Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093855793NPI-NPPES
0016773350004MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine OS008484L (Pennsylvania)Primary

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. Mary Ellen Williams allows following entities to bill medicare on her behalf.
Entity NameLehigh Valley Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457309650
PECOS PAC ID: 3072425123
Enrollment ID: O20040227000335

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. Mary Ellen 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
Mary Ellen Williams, DO
4801 Saucon Creek Rd, Ste 110,
Center Valley, PA 18034-9068

Ph: (610) 625-2010
Mary Ellen Williams, DO
3691 Crescent Ct E Ste 201,
Whitehall, PA 18052-3433

Ph: (610) 434-9561

Reviews and Comments


Family Medicine Doctors in Whitehall, PA

Dr. Narien K Grover, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1401 Fairmont St, Whitehall, PA 18052
Phone: 610-432-4122    Fax: 610-432-6677
Patricia A. Deangelis, DO
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3691 Crescent Ct E, Whitehall, PA 18052
Phone: 610-434-9561    
Jennifer Laura Stockhausen, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3691 Crescent Ct E, Whitehall, PA 18052
Phone: 610-434-9561    Fax: 610-434-5122
Winona T Shively, CRNP
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3321 Chestnut St, Whitehall, PA 18052
Phone: 610-262-7123    
Louis Spikol, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 5505 Macarthur Rd, Whitehall, PA 18052
Phone: 610-262-2706    
Sohaib Mannan, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2000 Eberhart Rd, Whitehall, PA 18052
Phone: 610-904-8100    

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.