Dr William F Maguire Jr, MD - Medicare Internal Medicine in Charleston, SC

Dr William F Maguire Jr, MD is a medicare enrolled "Internal Medicine" physician in Charleston, South Carolina. He went to Medical University Of South Carolina College Of Medicine and graduated in 1985 and has 39 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Roper Saint Francis Physicians Network and his current practice location is 615 Wesley Dr, Suite 300, Charleston, South Carolina. You can reach out to his office (for appointments etc.) via phone at (843) 266-4400.

Dr William F Maguire Jr is licensed to practice in South Carolina (license number 14188) 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 1528061397.

Contact Information

Dr William F Maguire Jr, MD
615 Wesley Dr, Suite 300,
Charleston, SC 29407-7204
(843) 266-4400
(843) 577-0455

Map and Direction




Physician's Profile

Full NameDr William F Maguire Jr
GenderMale
SpecialityInternal Medicine
Experience39 Years
Location615 Wesley Dr, Charleston, South Carolina
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 William F Maguire Jr attended and graduated from Medical University Of South Carolina College Of Medicine in 1985
  NPI Data:
  • NPI Number: 1528061397
  • Provider Enumeration Date: 05/24/2005
  • Last Update Date: 01/25/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9335171990
  • Enrollment ID: I20050902000408

Medical Identifiers

Medical identifiers for Dr William F Maguire Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528061397NPI-NPPES
141885MedicaidSC
P00727210OtherSCRAILROAD MEDICARE ID-RSFPN
P00310767OtherSCRR MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 14188 (South Carolina)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Roper-st. Francis Home HealthCharleston, SCHome health agency
Bon Secours-st Francis Xavier HospitalCharleston, SCHospital
Roper HospitalCharleston, SCHospital
Mount Pleasant HospitalMount pleasant, SCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Roper Saint Francis Physicians Network5193874824422

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 William F Maguire Jr allows following entities to bill medicare on his behalf.
Entity NameRoper Saint Francis Physicians Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346752383
PECOS PAC ID: 5193874824
Enrollment ID: O20090528000405

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 William F Maguire Jr 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 William F Maguire Jr, MD
Po Box 751649,
Charlotte, NC 28275-1649

Ph: (843) 789-1620
Dr William F Maguire Jr, MD
615 Wesley Dr, Suite 300,
Charleston, SC 29407-7204

Ph: (843) 266-4400

Reviews and Comments


Internal Medicine Doctors in Charleston, SC

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Yevgeniy Gelfand, MD
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Phone: 843-792-0111    

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).

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