Joseph Lee Roswarski, M.D.
Hematology & Oncology Physician · Washington, DC
Joseph Lee Roswarski, M.D. is a hematology & oncology physician with a practice address in Washington, District of Columbia, and NPI 1215223839, issued on Jun 22, 2011. Check the license (District of Columbia MD210002210, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph Lee Roswarski
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD210002210 DC
0101254676 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Reservoir RD NW, Washington, DC 20007
- Phone
- (202) 444-2223
- Enumerated
- Jun 22, 2011
- Record last updated
- Sep 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20221019000913); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 81 in District of Columbia → Look up another NPI →
Also registered at 3800 Reservoir RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Valiollah AbbassiPediatric Endocrinology Physician1073511275
- Ahmed AbdelfatahStudent in an Organized Health Care Education/Training Program1326918269
- Zeinab Abdi, M.D.Pediatrics Physician1861781437
Verify Joseph Lee Roswarski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD210002210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
120 Medicare Part D claims for 31 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Brukinsa27 claims
- Acyclovir11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $754.14
19 payments; by number, the most common kind was food and beverage; the largest payer was BeiGene USA, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Medstar Medical Group II LLCWashington, DC
- Regional Cancer Care Associates LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Lee Roswarski among 81 hematology & oncology physician records in District of Columbia
Joseph Lee Roswarski, M.D. is one of 81 hematology & oncology physician records with a practice address in District of Columbia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2011 · median 2002 among the 46 with a school on file
- Record last updated2022 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in District of Columbia
There are 81 hematology & oncology physician records in District of Columbia.
All 81 in District of Columbia → Every provider in Washington → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ekatherine AsatianiWashington, DC 200071639177736
- Ami Chitalia, M.D.Washington, DC 200071083939102
- Julia Cunningham, M.D.Washington, DC 200071487949335
- Ann Gramza, M.D.Washington, DC 200071760690069
- Amy HankinWashington, DC 200071861424434
- Susan Honig, M.D.Washington, DC 200071184841330
- Jane InghamWashington, DC 200071396721528
- Claudine IsaacsWashington, DC 200071164414751
Common questions
What is Joseph Lee Roswarski, M.D.'s NPI number?
Joseph Lee Roswarski, M.D.'s National Provider Identifier (NPI) is 1215223839, issued on Jun 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Lee Roswarski, M.D. located?
The NPPES record lists a practice address at 3800 Reservoir RD NW, Washington, DC, 20007. Phone: (202) 444-2223. Providers update this record themselves, so call before visiting.
How can I verify Joseph Lee Roswarski, M.D.'s license?
NPPES lists District of Columbia license number MD210002210, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Lee Roswarski, M.D. prescribe under Medicare Part D?
In 2024, Joseph Lee Roswarski, M.D. had 120 Medicare Part D claims for 31 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Joseph Lee Roswarski, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.