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.

NPPES Updated May 11, 2026
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

NPPES · NUCC
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

OIG LEIE Updated May 11, 2026

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

CMS Provider Utilization
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 this city , average services per provider: 686. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
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

Food and Beverage
$107

Hospital affiliations

CMS Hospital Compare