Doctor profile · Federal record
Dr. Hakan Kaya, M.D.
Medical Oncology Physician (CMS: Medical Oncology) · Spokane, WA
- NPI 1255320974
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
601 S Sherman St
Spokane, WA 992021311
(509) 228-1000
fax (509) 252-9300 - Mailing address
-
Po Box 3868
Spokane, WA 992203868
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- March 27, 2017
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Washington #MD00040186
- Medicaid (2)
- WA #8384588 · ID #806144800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255320974. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
66,039
Distinct HCPCS
10
Medicare allowed
$2,286,701
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9144 |
Injection, daratumumab, 10 mg and hyaluronidase-fihj | 35,640 | 31 | $46 | |
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 6,720 | 50 | $0 | |
J9041 |
Injection, bortezomib, 0.1 mg | 4,515 | 25 | $5 | |
J0897 |
Injection, denosumab, 1 mg | 4,500 | 26 | $23 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 3,524 | 75 | $0 | |
Q5119 |
Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg | 2,890 | 18 | $27 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 1,295 | 345 | $7 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,260 | 338 | $8 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 635 | 194 | $173 | |
96375 |
Injection of additional new drug or substance into vein | 552 | 90 | $16 |
In context: peer comparison
Among 2 peers in Spokane Medical Oncology Physician, average services per provider: 1,357. This provider delivers 49× the peer median.Open Payments
Industry payments received
All-time total
$420,032
Transactions
309
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., INC. | 48 | $79,127.67 | |
| BeiGene USA, INC. | 55 | $74,366.85 | |
| Pfizer INC. | 49 | $65,458.02 | |
| Karyopharm Therapeutics INC. | 33 | $54,164.40 | |
| Genzyme Corporation | 27 | $44,291.37 | |
| GlaxoSmithKline, LLC. | 29 | $40,035.51 | |
| Abbvie INC. | 27 | $32,677.90 | |
| Genmab U.S., INC. | 16 | $23,086.23 | |
| Amgen INC. | 4 | $4,428.96 | |
| Janssen Biotech, INC. | 2 | $1,377.39 | |
| E.R. Squibb & Sons, L.L.C. | 3 | $166.99 | |
| Incyte Corporation | 4 | $165.13 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $163.49 | |
| Novartis Pharmaceuticals Corporation | 7 | $134.32 | |
| Celgene Corporation | 3 | $57.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
933
Patients
193
Total drug cost
$3,177,350
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 235 | 57 | $3,670 |
| Dexamethasone | Generic | 95 | 35 | $1,457 |
| Gabapentin | Generic | 67 | 12 | $1,338 |
| Pomalyst (Pomalidomide) | Brand | 67 | 18 | $1,553,284 |
| Allopurinol | Generic | 64 | 23 | $803 |
| Hydroxyurea | Generic | 64 | 15 | $1,812 |
| Revlimid (Lenalidomide) | Brand | 51 | 0 | $905,033 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 48 | 0 | $2,738 |
| Brukinsa (Zanubrutinib) | Brand | 47 | 0 | $672,007 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 40 | 0 | $1,284 |
Frequently asked questions
What is Dr. Hakan Kaya's medical specialty?
Dr. Hakan Kaya practices Medical Oncology Physician in Spokane, WA.
Where does Dr. Hakan Kaya practice?
Dr. Hakan Kaya practices at 601 S Sherman St, Spokane, WA 992021311. Office phone: 5092281000.
What is Dr. Hakan Kaya's NPI?
Dr. Hakan Kaya's National Provider Identifier (NPI) is 1255320974, issued by NPPES.
Does Dr. Hakan Kaya accept Medicare assignment?
Yes. Dr. Hakan Kaya accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hakan Kaya commonly perform?
Top Medicare-reported procedures in 2023: Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, bortezomib, 0.1 mg (HCPCS J9041). Source: CMS Medicare Physician & Other Practitioners file.