Doctor profile · Federal record
Dr. Evan Ong, M.D.
Surgical Oncology Physician (CMS: Surgical Oncology) · Seattle, WA
- NPI 1073541959
- Accepts Medicare
- MIPS 81.1 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1221 Madison St Ste 1411
Seattle, WA 981041360
(206) 386-6700
fax (206) 386-6706
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- June 23, 2021
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 2086X0206X — NUCC code
- State license (1)
- Washington #60454602
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073541959. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
50
Distinct HCPCS
3
Medicare allowed
$9,788
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99205 |
New patient office or other outpatient visit, 60-74 minutes | 21 | 21 | $243 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 14 | $143 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $185 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 23. This provider delivers 2.2× the peer median.Open Payments
Industry payments received
All-time total
$11,240
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| HISTOSONICS, INC. | 3 | $11,240.00 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Evan Ong's medical specialty?
Dr. Evan Ong practices Surgical Oncology Physician in Seattle, WA.
Where does Dr. Evan Ong practice?
Dr. Evan Ong practices at 1221 Madison St Ste 1411, Seattle, WA 981041360. Office phone: 2063866700.
What is Dr. Evan Ong's NPI?
Dr. Evan Ong's National Provider Identifier (NPI) is 1073541959, issued by NPPES.
Does Dr. Evan Ong accept Medicare assignment?
Yes. Dr. Evan Ong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Evan Ong commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.