Doctor profile · Federal record
Dr. Ryan Cassaday, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Seattle, WA
- NPI 1508060583
- Accepts Medicare
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
825 Eastlake Ave E
Seattle, WA 981094405
(206) 288-1000 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- January 24, 2014
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Washington #MD60158445
- Medicaid
- WA #1508060583
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508060583. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
239
Distinct HCPCS
3
Medicare allowed
$32,490
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 156 | 59 | $153 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 62 | 11 | $127 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 21 | 12 | $33 |
In context: peer comparison
Among 60 peers in this city , average services per provider: 225. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$21,586
Transactions
8
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 2 | $7,920.00 | |
| SERVIER PHARMACEUTICALS LLC | 1 | $4,620.00 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $3,300.00 | |
| JAZZ PHARMACEUTICALS INC. | 3 | $3,226.01 | |
| PFIZER INC. | 1 | $2,520.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
65
Patients
0
Total drug cost
$991
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 26 | 0 | $557 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 21 | 0 | $108 |
| Dexamethasone | Generic | 18 | 0 | $326 |
Hospital affiliations
Frequently asked questions
What is Dr. Ryan Cassaday's medical specialty?
Dr. Ryan Cassaday practices Hematology & Oncology Physician in Seattle, WA.
Where does Dr. Ryan Cassaday practice?
Dr. Ryan Cassaday practices at 825 Eastlake Ave E, Seattle, WA 981094405. Office phone: 2062881000.
What is Dr. Ryan Cassaday's NPI?
Dr. Ryan Cassaday's National Provider Identifier (NPI) is 1508060583, issued by NPPES.
Does Dr. Ryan Cassaday accept Medicare assignment?
Yes. Dr. Ryan Cassaday accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Cassaday commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.