Clark H Willis, MD - Medicare Emergency Medicine in Salisbury, MD

Clark H Willis, MD is a medicare enrolled "Emergency Medicine" physician in Salisbury, Maryland. His current practice location is 100 E Carroll St, Salisbury, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 543-7100.

Clark H Willis is licensed to practice in Maryland (license number D0063374) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1700865623.

Contact Information

Clark H Willis, MD
100 E Carroll St,
Salisbury, MD 21801
(410) 543-7100
Not Available

Map and Direction




Physician's Profile

Full NameClark H Willis
GenderMale
SpecialityEmergency Medicine
Location100 E Carroll St, Salisbury, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1700865623
  • Provider Enumeration Date: 01/10/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0446224547
  • Enrollment ID: I20051003000586

Medical Identifiers

Medical identifiers for Clark H Willis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700865623NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine D0063374 (Maryland)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. Clark H Willis allows following entities to bill medicare on his behalf.
Entity NameEmergency Service Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558340562
PECOS PAC ID: 8224024716
Enrollment ID: O20040421000848

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. Clark H Willis 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
Clark H Willis, MD
Po Box 3012,
Wilmington, DE 19804

Ph: (302) 224-5678
Clark H Willis, MD
100 E Carroll St,
Salisbury, MD 21801

Ph: (410) 543-7100

Reviews and Comments


Emergency Medicine Doctors in Salisbury, MD

William C Todd, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 100 E Carroll St, Salisbury, MD 21801
Phone: 410-543-7100    Fax: 410-546-6350
James T Little, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 100 East Carroll Street, Salisbury, MD 21801
Phone: 410-543-7100    Fax: 410-546-6350
Mr. Walter David Gianelle, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2425 N Salisbury Blvd, Salisbury, MD 21801
Phone: 410-334-6351    Fax: 410-334-6352
Dr. David Allen Foley, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1665 Woodbrooke Dr, Salisbury, MD 21804
Phone: 410-546-6650    Fax: 410-546-2656
Karen A Mull, PAC
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 100 East Carroll Street, Salisbury, MD 21801
Phone: 410-543-7100    Fax: 410-546-6350
Dr. Jenna Jarriel, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 E Carroll St, Salisbury, MD 21801
Phone: 410-543-7742    
Elizabeth K Koval, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 100 E Carroll St, Salisbury, MD 21801
Phone: 410-543-7100    Fax: 410-546-6350

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.