Dr Joseph Lee Roswarski, MD - Medicare Internal Medicine in Washington, DC

Dr Joseph Lee Roswarski, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Washington, District Of Columbia. His current practice location is 3800 Reservoir Rd Nw, Washington, District Of Columbia. You can reach out to his office (for appointments etc.) via phone at (202) 444-2223.

Dr Joseph Lee Roswarski is licensed to practice in District Of Columbia (license number MD210002210) 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 1215223839.

Contact Information

Dr Joseph Lee Roswarski, MD
3800 Reservoir Rd Nw,
Washington, DC 20007-2113
(202) 444-2223
Not Available

Map and Direction




Physician's Profile

Full NameDr Joseph Lee Roswarski
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location3800 Reservoir Rd Nw, Washington, District Of Columbia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1215223839
  • Provider Enumeration Date: 06/22/2011
  • Last Update Date: 09/07/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 4789801358
  • Enrollment ID: I20221019000913

Medical Identifiers

Medical identifiers for Dr Joseph Lee Roswarski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215223839NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 0101254676 (Virginia)Secondary
207RH0003XInternal Medicine - Hematology & Oncology MD210002210 (District Of Columbia)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 Joseph Lee Roswarski allows following entities to bill medicare on his behalf.
Entity NameRegional Cancer Care Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265870331
PECOS PAC ID: 5294710091
Enrollment ID: O20130809000457

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 Joseph Lee Roswarski 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 Joseph Lee Roswarski, MD
1 Jarrett White Rd,
Tripler Army Medical Center, HI 96859-5001

Ph: () -
Dr Joseph Lee Roswarski, MD
3800 Reservoir Rd Nw,
Washington, DC 20007-2113

Ph: (202) 444-2223

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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