Doctor profile · Federal record
Dr. James Tsai, MD
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Portland, OR
- NPI 1164409868
- Accepts Medicare
- MIPS 90.4 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
545 Ne 47Th Ave, Suite 215
Portland, OR 972132238
(503) 731-2900
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- October 15, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Oregon #MD23999
- Medicaid (2)
- OR #286677 · WA #8322828
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164409868. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,881
Distinct HCPCS
10
Medicare allowed
$141,168
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 3,277 | 24 | $0 | |
70450 |
Ct scan head or brain without contrast | 443 | 412 | $41 | |
71045 |
X-ray of chest, 1 view | 204 | 194 | $9 | |
70553 |
Mri scan of brain before and after contrast | 196 | 185 | $111 | |
70551 |
Mri scan of brain without contrast | 164 | 163 | $71 | |
72148 |
Mri scan of lower spinal canal without contrast | 142 | 142 | $71 | |
71046 |
X-ray of chest, 2 views | 141 | 140 | $11 | |
70496 |
Ct scan of blood vessels of head with contrast | 129 | 125 | $85 | |
70498 |
Ct scan of blood vessels of neck with contrast | 127 | 124 | $81 | |
70491 |
Ct scan of soft tissue of neck with contrast | 82 | 73 | $67 |
In context: peer comparison
Among 79 peers in Portland Diagnostic Radiology Physician, average services per provider: 68. This provider delivers 86× the peer median.Open Payments
Industry payments received
All-time total
$123
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Emd Serono, INC. | 1 | $122.71 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. James Tsai's medical specialty?
Dr. James Tsai practices Diagnostic Radiology Physician in Portland, OR.
Where does Dr. James Tsai practice?
Dr. James Tsai practices at 545 Ne 47Th Ave, Portland, OR 972132238. Office phone: 5037312900.
What is Dr. James Tsai's NPI?
Dr. James Tsai's National Provider Identifier (NPI) is 1164409868, issued by NPPES.
Does Dr. James Tsai accept Medicare assignment?
Yes. Dr. James Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Tsai commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Ct scan head or brain without contrast (HCPCS 70450); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.