Doctor profile · Federal record
Dr. Oleksandr Semeniuk, M.D.
Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Washington, DC
- NPI 1528452794
- Accepts Medicare
- 20 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2150 Pennsylvania Ave Nw
Washington, DC 200373201
(202) 741-3440
fax (202) 741-2241 - Additional location
-
10709 Indian Head Hwy Ste C
Fort Washington, MD 207444036
(240) 493-9660
fax (240) 493-9651 - Additional location
-
3001 Hospital Dr, Department of Medicine, 5Th Floor
Cheverly, MD 207851189
(301) 618-3776
fax (301) 618-2986
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- March 11, 2025
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State licenses (2)
- District of Columbia #MD048339 · Maryland #D0085087
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528452794. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
686
Distinct HCPCS
5
Medicare allowed
$88,823
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 319 | 195 | $129 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 217 | 141 | $86 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 97 | 95 | $188 | |
99291 |
Critical care, first 30-74 minutes | 37 | 26 | $232 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 16 | $142 |
In context: peer comparison
Among 19 peers in Washington Infectious Disease Physician, average services per provider: 80. This provider delivers 8.6× the peer median.Open Payments
Industry payments received
All-time total
$285
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $123.54 | |
| ViiV Healthcare Company | 1 | $119.81 | |
| Gilead Sciences, INC. | 1 | $41.28 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
74
Patients
28
Total drug cost
$24,776
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ertapenem (Ertapenem Sodium) | Brand | 32 | 13 | $18,421 |
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 31 | 15 | $2,972 |
| Daptomycin | Generic | 11 | 0 | $3,383 |
Hospital affiliations
Frequently asked questions
What is Dr. Oleksandr Semeniuk's medical specialty?
Dr. Oleksandr Semeniuk practices Infectious Disease Physician in Washington, DC.
Where does Dr. Oleksandr Semeniuk practice?
Dr. Oleksandr Semeniuk practices at 2150 Pennsylvania Ave Nw, Washington, DC 200373201. Office phone: 2027413440.
What is Dr. Oleksandr Semeniuk's NPI?
Dr. Oleksandr Semeniuk's National Provider Identifier (NPI) is 1528452794, issued by NPPES.
Does Dr. Oleksandr Semeniuk accept Medicare assignment?
Yes. Dr. Oleksandr Semeniuk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oleksandr Semeniuk commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.