Dr William King Kelly, MD - Medicare Internal Medicine in Silver Spring, MD

Dr William King Kelly, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Silver Spring, Maryland. His current practice location is 10750 Columbia Pike Ste 501, Silver Spring, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 593-9035.

Dr William King Kelly is licensed to practice in Maryland (license number D39979) 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 1376781443.

Contact Information

Dr William King Kelly, MD
10750 Columbia Pike Ste 501,
Silver Spring, MD 20901-4460
(301) 593-9035
(301) 593-9036

Map and Direction




Physician's Profile

Full NameDr William King Kelly
GenderMale
SpecialityInternal Medicine - Medical Oncology
Location10750 Columbia Pike Ste 501, Silver Spring, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1376781443
  • Provider Enumeration Date: 01/28/2009
  • Last Update Date: 04/20/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2668526336
  • Enrollment ID: I20090814000054

Medical Identifiers

Medical identifiers for Dr William King Kelly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376781443NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology D39979 (Maryland)Secondary
207RX0202XInternal Medicine - Medical Oncology 18454 (District Of Columbia)Secondary
207RX0202XInternal Medicine - Medical Oncology D39979 (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. Dr William King Kelly allows following entities to bill medicare on his behalf.
Entity NameChesapeake Oncology Hematology Assoc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821065079
PECOS PAC ID: 6901837160
Enrollment ID: O20050826000677

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 King Kelly 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 King Kelly, MD
4801 Connecticut Ave Nw Apt 516,
Washington, DC 20008-2204

Ph: (202) 286-4558
Dr William King Kelly, MD
10750 Columbia Pike Ste 501,
Silver Spring, MD 20901-4460

Ph: (301) 593-9035

Reviews and Comments


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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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