Doctor profile · Federal record
Dr. Ian Tseng, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Irvine, CA
- NPI 1689949257
- Accepts Medicare
- MIPS 78.8 / 100 · 2023
- 19 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
17595 Harvard Ave Ste C
Irvine, CA 92614
(949) 870-9996 - Additional location
-
1510 E Herndon Ave Ste 110
Fresno, CA 937203333
(559) 450-6742
fax (559) 450-6743
Credentials & registration
- NPI registered
- March 2012 — 14 yrs on file
- Profile last updated
- March 25, 2025
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State licenses (2)
- New Jersey #25MA09270800 · California #A129394
- Medicaid (2)
- NJ #0347558 · NY #03583906
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689949257. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,427
Distinct HCPCS
10
Medicare allowed
$144,181
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
70450 |
Ct scan head or brain without contrast | 594 | 557 | $41 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 389 | 374 | $89 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 195 | 191 | $85 | |
72125 |
Ct scan of upper spine without contrast | 183 | 178 | $48 | |
71275 |
Ct scan of blood vessels of chest with contrast | 181 | 179 | $88 | |
71045 |
X-ray of chest, 1 view | 127 | 117 | $9 | |
71250 |
Ct scan of chest without contrast | 81 | 80 | $52 | |
76705 |
Limited ultrasound scan of abdomen | 79 | 79 | $28 | |
70498 |
Ct scan of blood vessels of neck with contrast | 71 | 71 | $82 | |
70496 |
Ct scan of blood vessels of head with contrast | 70 | 70 | $86 |
In context: peer comparison
Among 7 peers in Irvine Diagnostic Radiology Physician, average services per provider: 161. This provider delivers 15× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Ian Tseng's medical specialty?
Dr. Ian Tseng practices Diagnostic Radiology Physician in Irvine, CA.
Where does Dr. Ian Tseng practice?
Dr. Ian Tseng practices at 17595 Harvard Ave Ste C, Irvine, CA 92614. Office phone: 9498709996.
What is Dr. Ian Tseng's NPI?
Dr. Ian Tseng's National Provider Identifier (NPI) is 1689949257, issued by NPPES.
Does Dr. Ian Tseng accept Medicare assignment?
Yes. Dr. Ian Tseng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Tseng commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); Ct scan of abdomen and pelvis with contrast (HCPCS 74177); Ct scan of abdomen and pelvis without contrast (HCPCS 74176). Source: CMS Medicare Physician & Other Practitioners file.