Doctor profile · Federal record
Dr. Sean Chang, M.D.
Neuroradiology Physician (CMS: Diagnostic Radiology) · Neuroradiology Physician · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Oxnard, CA
- NPI 1801108568
- MIPS 62.5 / 100 · 2023
- 21 yrs in practice
- Licensed in 6 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 8 locations across 4 states.
- Primary practice
-
1901 Outlet Center Dr, Suite 120
Oxnard, CA 930360663
(805) 604-9500 - Mailing address
-
609 Hampshire RD Apt 375
Westlake Village, CA 913612318
Iowa — 3 locations
- Additional location
-
200 Hawkins Dr
Iowa City, IA 522421009
(319) 356-3375
fax (319) 353-8780 - Additional location
-
500 E Market St
Iowa City, IA 522452633
(319) 339-3551 - Additional location
-
701 W Forevergreen RD
North Liberty, IA 523179848
(319) 356-3375
fax (319) 356-3949
Wyoming — 2 locations
- Additional location
-
1401 W 5Th St
Sheridan, WY 828012799
(307) 672-1000 - Additional location
-
1470 Sugarland Dr Ste 1
Sheridan, WY 828015774
(307) 673-2411
North Dakota — 1 location
- Additional location
-
2305 37Th Ave Sw
Minot, ND 587017669
(701) 418-8000
Missouri — 1 location
- Additional location
-
6000 Hospital Dr
Hannibal, MO 634016887
(573) 248-5301
fax (573) 248-5302
Credentials & registration
- NPI registered
- July 2010 — 16 yrs on file
- Profile last updated
- January 27, 2026
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 2085N0700X — NUCC code
- State licenses (6)
- California #112950 · Iowa #MD-54108 · North Dakota #PT21830 · Missouri #2024034448 · Guam #M-2501 · Wyoming #18726A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801108568. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
21,279
Distinct HCPCS
10
Medicare allowed
$223,089
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
A9585 |
Injection, gadobutrol, 0.1 ml | 16,660 | 167 | $0 | |
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 3,565 | 36 | $0 | |
70553 |
Mri scan of brain before and after contrast | 123 | 93 | $359 | |
76700 |
Complete ultrasound scan of abdomen | 107 | 105 | $132 | |
76770 |
Complete ultrasound scan behind abdominal cavity | 77 | 75 | $124 | |
72148 |
Mri scan of lower spinal canal without contrast | 74 | 74 | $223 | |
76536 |
Ultrasound scan of head and neck soft tissue | 72 | 64 | $129 | |
70551 |
Mri scan of brain without contrast | 57 | 54 | $230 | |
93970 |
Ultrasound study of arm or leg veins with compression and maneuvers | 49 | 49 | $217 | |
72141 |
Mri scan of upper spinal canal without contrast | 39 | 39 | $202 |
In context: peer comparison
Among 1 peers in Oxnard Neuroradiology Physician, average services per provider: 686. This provider delivers 31× the peer median.Open Payments
Industry payments received
All-time total
$107
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Progenics Pharmaceuticals, INC. | 3 | $58.82 | |
| Blue Earth Diagnostics Limited | 1 | $28.98 | |
| Lilly USA, LLC | 1 | $19.10 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Sean Chang's medical specialty?
Dr. Sean Chang practices Neuroradiology Physician in Oxnard, CA.
Where does Dr. Sean Chang practice?
Dr. Sean Chang practices at 1901 Outlet Center Dr, Oxnard, CA 930360663. Office phone: 8056049500.
What is Dr. Sean Chang's NPI?
Dr. Sean Chang's National Provider Identifier (NPI) is 1801108568, issued by NPPES.
Does Dr. Sean Chang accept Medicare assignment?
Dr. Sean Chang does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Sean Chang commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Mri scan of brain before and after contrast (HCPCS 70553). Source: CMS Medicare Physician & Other Practitioners file.