Dr William Thomas Clarke, MD - Medicare Gastroenterology in Durham, NC

Dr William Thomas Clarke, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Durham, North Carolina. He went to Yale University School Of Medicine and graduated in 2013 and has 11 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Duke Health Integrated Practice Inc and his current practice location is 40 Medicine Circle, Durham, North Carolina. You can reach out to his office (for appointments etc.) via phone at (919) 684-6437.

Dr William Thomas Clarke is licensed to practice in Massachusetts (license number 266026) 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 1477996650.

Contact Information

Dr William Thomas Clarke, MD
40 Medicine Circle,
Durham, NC 27710-5400
(919) 684-6437
(919) 681-8147

Map and Direction




Physician's Profile

Full NameDr William Thomas Clarke
GenderMale
SpecialityGastroenterology
Experience11 Years
Location40 Medicine Circle, Durham, North 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 Thomas Clarke attended and graduated from Yale University School Of Medicine in 2013
  NPI Data:
  • NPI Number: 1477996650
  • Provider Enumeration Date: 04/08/2013
  • Last Update Date: 12/05/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3779847272
  • Enrollment ID: I20210120002152

Medical Identifiers

Medical identifiers for Dr William Thomas Clarke such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477996650NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 266026 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Duke University HospitalDurham, NCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Duke Health Integrated Practice Inc83254127372636

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 Thomas Clarke allows following entities to bill medicare on his behalf.
Entity NamePrivate Diagnostic Clinic Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457389033
PECOS PAC ID: 1355254368
Enrollment ID: O20031204000577
Entity NameDuke Health Integrated Practice Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205553369
PECOS PAC ID: 8325412737
Enrollment ID: O20230327002247

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 Thomas Clarke 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 Thomas Clarke, MD
40 Medicine Circle,
Durham, NC 27710-0001

Ph: (919) 684-6437
Dr William Thomas Clarke, MD
40 Medicine Circle,
Durham, NC 27710-5400

Ph: (919) 684-6437

Reviews and Comments


Internal Medicine Doctors in Durham, NC

Dr. Stephen John Greene, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2301 Erwin Rd # Dumc3845, Durham, NC 27705
Phone: 919-684-8111    
Dr. Jacob Paul Feigal, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: Duke University Hospital Gme, Box 3951, Durham, NC 27710
Phone: 919-684-8111    
Dr. David Keith Bright, MD, PHARM D
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 4205 Ben Franklin Blvd, Durham, NC 27704
Phone: 919-477-6900    Fax: 919-477-5081
Yuri Anthony Fesko, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 4101 N Roxboro St, Durham, NC 27704
Phone: 919-684-8111    
Mary E Klotman, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 40 Duke Medicine Cir, Durham, NC 27710
Phone: 919-684-8111    
Jonathan Paul Piccini Sr., M.D., M.H.S.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 40 Duke Medicine Cir, Durham, NC 27710
Phone: 919-684-8111    
Dr. Deborah Anne Fisher, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 508 Fulton St, Durham, NC 27705
Phone: 919-286-6945    

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.