Dr William Carl Mercer, MD - Medicare Family Practice in Wheeling, WV

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Dr William Carl Mercer, MD is a medicare enrolled "Family Medicine" physician in Wheeling, West Virginia. He went to West Virginia University School Of Medicine and graduated in 1979 and has 45 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Wheeling Hospital Inc and his current practice location is 58 16th St, Fl 3, Wheeling, West Virginia. You can reach out to his office (for appointments etc.) via phone at (304) 232-5725.

Dr William Carl Mercer is licensed to practice in West Virginia (license number 12007) 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 1780687558.

Contact Information

Dr William Carl Mercer, MD
58 16th St, Fl 3,
Wheeling, WV 26003-3660
(304) 232-5725
(304) 233-0698

Map and Direction




Physician's Profile

Full NameDr William Carl Mercer
GenderMale
SpecialityFamily Practice
Experience45 Years
Location58 16th St, Wheeling, West Virginia
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 Carl Mercer attended and graduated from West Virginia University School Of Medicine in 1979
  NPI Data:
  • NPI Number: 1780687558
  • Provider Enumeration Date: 05/24/2005
  • Last Update Date: 09/19/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1850346248
  • Enrollment ID: I20110303001006

Medical Identifiers

Medical identifiers for Dr William Carl Mercer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780687558NPI-NPPES
12007OtherWVSTATE LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 12007 (West Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Wheeling HospitalWheeling, WVHospital
Good Shepherd Nursing HomeWheeling, WVNursing home
Guardian Elder Care At WheelingWheeling, WVNursing home
Continuous Care Center Wheeling HospitalWheeling, WVNursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Wheeling Hospital Inc5799689493321

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 Carl Mercer allows following entities to bill medicare on his behalf.
Entity NameWheeling Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548923923
PECOS PAC ID: 5799689493
Enrollment ID: O20031124000706

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 Carl Mercer 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 Carl Mercer, MD
58 16th St, Fl 3,
Wheeling, WV 26003-3660

Ph: (304) 232-5725		Dr William Carl Mercer, MD
58 16th St, Fl 3,
Wheeling, WV 26003-3660

Ph: (304) 232-5725

Reviews and Comments


Family Medicine Doctors in Wheeling, WV

Marilyn Wendt Horacek, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 2115 Chapline St, Ste 208, Wheeling, WV 26003
Phone: 304-217-3130    Fax: 304-217-3134
Laura May Miller, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 20 Medical Park, Suite 301, Wheeling, WV 26003
Phone: 304-243-7074    Fax: 304-243-6430
Katarzyna A Przyszlak, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 58 16th St, Wheeling, WV 26003
Phone: 304-234-2004    Fax: 304-234-2006
Dr. Brenden Cooper, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 40 Medical Park, Wheeling, WV 26003
Phone: 304-243-3880    
Richard A Irvin,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2129 National Rd, Wheeling, WV 26003
Phone: 304-242-2303    Fax: 304-242-4231
Kathryn Anne Franz, DO
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Medicare: Medicare Enrolled
Practice Location: 2115 Chapline St, Wheeling, WV 26003
Phone: 304-231-8827    Fax: 304-234-8843
Dennis Richard Niess, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 20 Medical Park, Suite 306, Wheeling, WV 26003
Phone: 304-243-7030    Fax: 304-243-4282

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.