Doctor profile · Federal record
Dr. George Semeniuk, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Newport Beach, CA
- NPI 1316022924
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1601 Avocado Ave
Newport Beach, CA 926607798
(949) 763-2204
fax (949) 536-8036 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- September 23, 2021
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #A61824
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316022924. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
49,405
Distinct HCPCS
10
Medicare allowed
$1,841,912
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9271 |
Injection, pembrolizumab, 1 mg | 19,600 | 15 | $54 | |
J3111 |
Injection, romosozumab-aqqg, 1 mg | 6,930 | 14 | $10 | |
J0897 |
Injection, denosumab, 1 mg | 6,300 | 50 | $23 | |
J1569 |
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg | 4,450 | 13 | $45 | |
J0185 |
Injection, aprepitant, 1 mg | 4,160 | 15 | $2 | |
J0885 |
Injection, epoetin alfa, (for non-esrd use), 1000 units | 2,040 | 12 | $7 | |
J2405 |
Injection, ondansetron hydrochloride, per 1 mg | 1,380 | 37 | $0 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 1,265 | 268 | $187 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 824 | 28 | $0 | |
96372 |
Injection of drug or substance under skin or into muscle | 483 | 119 | $16 |
In context: peer comparison
Among 9 peers in Newport Beach Hematology & Oncology Physician, average services per provider: 1,060. This provider delivers 47× the peer median.Open Payments
Industry payments received
All-time total
$109,256
Transactions
34
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| United Therapeutics Corporation | 22 | $109,020.00 | |
| Array Biopharma INC | 9 | $149.51 | |
| Janssen Scientific Affairs, LLC | 1 | $32.58 | |
| Celgene Corporation | 1 | $28.83 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $24.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
389
Patients
38
Total drug cost
$735,556
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 71 | 12 | $358 |
| Eliquis (Apixaban) | Brand | 45 | 0 | $35,008 |
| Ondansetron Hcl | Generic | 37 | 15 | $1,068 |
| Levothyroxine Sodium | Generic | 36 | 11 | $484 |
| Gabapentin | Generic | 22 | 0 | $371 |
| Tagrisso (Osimertinib Mesylate) | Brand | 22 | 0 | $523,909 |
| Dexamethasone | Generic | 21 | 0 | $383 |
| Hydrocortisone | Generic | 19 | 0 | $699 |
| Trazodone Hcl | Generic | 19 | 0 | $114 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 19 | 0 | $1,302 |
Hospital affiliations
Frequently asked questions
What is Dr. George Semeniuk's medical specialty?
Dr. George Semeniuk practices Hematology & Oncology Physician in Newport Beach, CA.
Where does Dr. George Semeniuk practice?
Dr. George Semeniuk practices at 1601 Avocado Ave, Newport Beach, CA 926607798. Office phone: 9497632204.
What is Dr. George Semeniuk's NPI?
Dr. George Semeniuk's National Provider Identifier (NPI) is 1316022924, issued by NPPES.
Does Dr. George Semeniuk accept Medicare assignment?
Yes. Dr. George Semeniuk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Semeniuk commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.