Oleksandr Semeniuk, M.D.
Infectious Disease Physician · Washington, DC
Oleksandr Semeniuk, M.D. is an infectious disease physician with a practice address in Washington, District of Columbia, and NPI 1528452794, issued on Mar 25, 2015. Check the license (District of Columbia MD048339, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Oleksandr Semeniuk
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- MD048339 DC
D0085087 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Pennsylvania Ave NW, Washington, DC 20037
- Phone
- (202) 741-3440
- Enumerated
- Mar 25, 2015
- Record last updated
- Mar 11, 2025
- Fax
- (202) 741-2241
- Medicare enrollment
- Enrolled (PECOS I20180710003649); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 110 in District of Columbia → Look up another NPI →
Also registered at 2150 Pennsylvania Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rim Abdallah, M.D.Student in an Organized Health Care Education/Training Program1962896886
- Rami AbdulbakiAnatomic Pathology & Clinical Pathology Physician1851950109
Verify Oleksandr Semeniuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD048339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average infectious disease physician in 2024
144 Medicare Part D claims for 37 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Daptomycin23 claims
- Biktarvy20 claims
- Amoxicillin-Clavulanate Potass12 claims
- Ertapenem12 claims
- Ceftriaxone11 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.
Industry payments in 2024: $284.63
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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 one group practice
- Medical Faculty Associates, IncWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oleksandr Semeniuk among 110 infectious disease physician records in District of Columbia
Oleksandr Semeniuk, M.D. is one of 110 infectious disease physician records with a practice address in District of Columbia. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 85% of them.
- NPI issued2015 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2006 · median 1998 among the 46 with a school on file
- Record last updated2025 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X 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).
Infectious Disease Physician providers in District of Columbia
There are 110 infectious disease physician records in District of Columbia.
All 110 in District of Columbia → Every provider in Washington → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Hana Akselrod, MD, MPHWashington, DC 200371295171353
- Susan Bersoff-Matcha, MDWashington, DC 200371801954714
- Zena Hammoud, MDWashington, DC 200371457444168
- Rachel Harold, M.D.Washington, DC 200371659715787
- Morad Hassani, M.D.Washington, DC 200371295851954
- Jose Lucar, M.D.Washington, DC 200371780970772
- Henry Masur, MDWashington, DC 200371083782304
- David Parenti, M.D.Washington, DC 200371588733216
Common questions
What is Oleksandr Semeniuk, M.D.'s NPI number?
Oleksandr Semeniuk, M.D.'s National Provider Identifier (NPI) is 1528452794, issued on Mar 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Oleksandr Semeniuk, M.D. located?
The NPPES record lists a practice address at 2150 Pennsylvania Ave NW, Washington, DC, 20037. Phone: (202) 741-3440. Providers update this record themselves, so call before visiting.
How can I verify Oleksandr Semeniuk, M.D.'s license?
NPPES lists District of Columbia license number MD048339, 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 Oleksandr Semeniuk, M.D. prescribe under Medicare Part D?
In 2024, Oleksandr Semeniuk, M.D. had 144 Medicare Part D claims for 37 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
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.