SEAN CHANG (M.D.) – Neuroradiology Physician, NPI 1801108568
Neuroradiology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
434 DIAGNOSTIC RADIOLOGY in IA
Provider Addresses for SEAN CHANG (M.D.)
200 Hawkins Dr
Iowa City, IA 522421009
Phone: (319) 356-3375
Fax: (319) 353-8780
Type: Location
2305 37th Ave SW
Minot, ND 587017669
Phone: (701) 418-8000
Type: Location
609 HAMPSHIRE RD APT 375
WESTLAKE VILLAGE, CA 913612318
Phone: (310) 920-1344
Type: Mailing
1901 OUTLET CENTER DR
SUITE 120
OXNARD, CA 930360663
Phone: (805) 604-9500
Type: Location
1401 W 5th St
Sheridan, WY 828012799
Phone: (307) 672-1000
Type: Location
1470 Sugarland Dr Ste 1
Sheridan, WY 828015774
Phone: (307) 673-2411
Type: Location
701 W Forevergreen Rd
North Liberty, IA 523179848
Phone: (319) 356-3375
Fax: (319) 356-3949
Type: Location
6000 Hospital Dr
Hannibal, MO 634016887
Phone: (573) 248-5301
Fax: (573) 248-5302
Type: Location
500 E Market St
Iowa City, IA 522452633
Phone: (319) 339-3551
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $179.
Total Amount is formed as General ($179) + Research ($0) + Ownership ($0) = $179.
Last reported payment date: 2024-09-09 • Largest payer in this snapshot: Progenics Pharmaceuticals, Inc. ($110).
Total Amount
$179
General + Research + Ownership
Payments
9
Total payment records
General Amount
$179
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Progenics Pharmaceuticals, Inc. | $110 |
| Blue Earth Diagnostics Limited | $29 |
| Curium US LLC | $21 |
| Lilly USA, LLC | $19 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2026-02-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 10 Medicare enrollment records; no due dates published yet.
Enrollment records
10
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110713000630 | I | Diagnostic Radiology | CA | TBD |
| I20241030001435 | I | Diagnostic Radiology | NC | TBD |
| I20241107002877 | I | Diagnostic Radiology | MO | TBD |
| I20250128001987 | I | Diagnostic Radiology | ND | TBD |
| I20250207003301 | I | Diagnostic Radiology | IA | TBD |
| I20250219003737 | I | Diagnostic Radiology | IL | TBD |
| I20250415001737 | I | Diagnostic Radiology | NM | TBD |
| I20250923002041 | I | Diagnostic Radiology | MA | TBD |
| I20251215000820 | I | Diagnostic Radiology | TX | TBD |
| I20260211001655 | I | Diagnostic Radiology | WY | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare 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 | $0 |
| 76700 | Complete ultrasound scan of abdomen | 107 | 105 | $0 |
| 76770 | Complete ultrasound scan behind abdominal cavity | 77 | 75 | $0 |
Insurance plans in this area (ZIP 52242)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CA | 71250 | CT scan chest | 102 | 98 |
| DIAGNOSTIC RADIOLOGY | CA | 73630 | X-ray of foot, minimum of 3 views | 13 | 13 |
| DIAGNOSTIC RADIOLOGY | CA | 76830 | Ultrasound pelvis through vagina | 42 | 39 |
| DIAGNOSTIC RADIOLOGY | CA | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 72 | 68 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | GA | |
| - | SC | |
| - | SC | |
| Diagnostic Radiology | NC | |
| Diagnostic Radiology, Neurology | NC | |
| Certified Registered Nurse Anesthetist (Crna) | VA | |
| Diagnostic Radiology | NC | |
| Qualified Audiologist | NC | |
| Diagnostic Radiology | NH | |
| Diagnostic Radiology, Interventional Radiology | MO |
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