Dr. Sean Chia Chang, MD
- Medicare services, 2024
- 19,348
- Medicare patients, 2024
- 1,070
- MIPS score, 2024
- 75
- Hospital affiliations
- 13
- Industry payments
- $353
- Practice address
- 1026 a Ave NE, Cedar Rapids, IA 52402
- Practice phone
- Call (319) 369-7211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sean Chia Chang is a neuroradiologist in Cedar Rapids, Iowa
Dr. Chang practices at UnityPoint Health - St. Luke's Hospital - Cedar Rapids in Cedar Rapids, Iowa, part of UnityPoint Health.
Dr. Chang's NPI, 1801108568, was assigned on July 10, 2010. Dr. Chang graduated from David Geffen School of Medicine at UCLA in 2005. Dr. Chang's California license number on file is 112950.
- NPI
- 1801108568NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325216518
- NPI enumeration date
- July 10, 2010
- NPI status
- Active
- Practice phone
- (319) 369-7211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sean Chia Chang practices at UnityPoint Health - St. Luke's Hospital - Cedar Rapids in Cedar Rapids, Iowa
Dr. Chang's primary practice is UnityPoint Health - St. Luke's Hospital - Cedar Rapids, at 1026 a Ave NE, Cedar Rapids, IA 52402 in Linn County. The practice phone is (319) 369-7211.
- UnityPoint Health - St. Luke's Hospital - Cedar Rapids1026 a Ave NE, Cedar Rapids, IA 52402 · Linn CountyPhone(319) 369-7211
Source: Dmand AI Affiliation Data
Dr. Sean Chia Chang is affiliated with 30 sites of care and 46 medical groups
Dr. Chang's primary practice is UnityPoint Health - St. Luke's Hospital - Cedar Rapids in Cedar Rapids, Iowa, part of UnityPoint Health. Dr. Chang is also affiliated with Mercy Medical Center. The medical group on file is Scanlan Center for School Mental Health Clinic. Dmand AI also links Dr. Chang to 11 more hospitals, 45 medical groups, 16 group practices and clinics and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sean Chia Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 30 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UnityPoint Health - St. Luke's Hospital - Cedar Rapids | Available with a free account |
| +29 more sites and 45 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across UnityPoint Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sean Chia Chang is one of 12 neuroradiologists in Iowa
Neuroradiology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2085N0700X. Dr. Chang is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Chang's licenses on file in 15 states: California, South Dakota, Colorado, Nevada, Alaska, Arizona, Illinois, Missouri, North Dakota, Nebraska, Texas, Utah, Iowa, Kansas and Massachusetts.
Specialties and state licenses
- Neuroradiology, CaliforniaPrimary
- South Dakota license
- Colorado license
- Nevada license
- Alaska license
- Arizona license
- Illinois license
- Diagnostic radiology, Missouri
- North Dakota license
- Nebraska license
- Texas license
- Utah license
- Iowa license
- Kansas license
- Massachusetts license
Neuroradiologists near Dr. Chang
Counts of neuroradiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sean Chia Chang billed Medicare for 19,348 services in 2024
CMS data shows 19,348 Medicare services from Dr. Chang across 39 procedure codes in 2024, for 1,070 Medicare patients. Medicare paid $144,504 for them.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 20,2252024: 18,04011%
- Imaging
- 2023: 8572024: 1,18638%
- Tests and treatments
- 2023: 1642024: 10039%
- Surgery
- 2023: 332024: 2233%
Where Dr. Chang's Medicare services took place, 2024
- In an office18,97298%
- In a facility3762%
Dr. Chang compared with the Iowa median for neuroradiologists, 2024
- Dr. Chang
- Iowa median
- Medicare services
- 19,348vs 2,9226.6 times
- Medicare patients
- 1,070vs 1,76739% below
Medians across 14 neuroradiologists in Iowa with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other neuroradiologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sean Chia Chang treated 1,070 Medicare patients in 2024, average age 73
CMS counts 1,070 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 439 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 53% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 49, with 55% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women64961%
- Men42139%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes48%
- Chronic kidney disease32%
- Ischemic heart disease32%
- Mood disorders29%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sean Chia Chang scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Chang for performance year 2024, reported individually.
- MIPS final score, 2024
- 75 of 100
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Sean Chia Chang received $353 in industry payments from 2016 to 2024
CMS Open Payments shows 14 general payments to Dr. Chang from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Progenics Pharmaceuticals, Inc. paid the most, $161.
General payments to Dr. Chang by program year, 2016 to 2024
Companies that paid Dr. Chang the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sean Chia Chang graduated from David Geffen School of Medicine at UCLA
Dr. Chang graduated from David Geffen School of Medicine at UCLA in 2005.
- Medical school
- Board certified in diagnostic radiology
- Board certified in neuroradiology
Source: Dmand AI Professional Profile Data
Dr. Sean Chia Chang accepts plans from 16 insurance carriers
Dr. Chang is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Medica. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Medica
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Health Alliance
- Molina
- +8 more carriersWith a free account
Plan types Dr. Chang accepts, by number of carriers
- PPO10
- Medicare9
- HMO7
- POS6
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Sean Chia Chang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sean Chia Chang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Sean Chia Chang's NPI number?
Dr. Sean Chia Chang's NPI number is 1801108568. It was assigned on July 10, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Sean Chia Chang?
Dr. Sean Chia Chang is a neuroradiologist in Cedar Rapids, Iowa. The primary specialty in the NPI Registry is Neuroradiology Physician (taxonomy code 2085N0700X).
Where does Dr. Sean Chia Chang practice?
Dr. Chang practices at 1026 a Ave NE, Cedar Rapids, IA 52402. Dr. Chang's primary practice is UnityPoint Health - St. Luke's Hospital - Cedar Rapids in Cedar Rapids, Iowa, part of UnityPoint Health. Dmand AI also links Dr. Chang to 11 hospitals, 45 medical groups, 16 group practices and clinics and 1 rural health clinic.
What is Dr. Sean Chia Chang's office phone number?
The practice phone on file for Dr. Chang is (319) 369-7211.
What is Dr. Sean Chia Chang's medical license number?
Dr. Chang's California license number on file is 112950, one of the licenses on file in 15 states.
Which states has Dr. Sean Chia Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (2010 to 2025), South Dakota, Colorado (2024 to 2027), Nevada (2024 to 2027), Alaska (2024 to 2026), Arizona (2024 to 2026), Illinois (2024 to 2026), Missouri (2024 to 2026), North Dakota (2025 to 2026), Nebraska (2024 to 2026), Texas (2025 to 2026), Utah (2025 to 2026), Iowa (2024 to 2025), Kansas (2025) and Massachusetts (2025).
Which hospitals is Dr. Sean Chia Chang affiliated with?
Dr. Chang practices at UnityPoint Health - St. Luke's Hospital - Cedar Rapids in Cedar Rapids, Iowa. Dr. Chang is also affiliated with Mercy Medical Center. Dmand AI links Dr. Chang to 11 more hospitals.
What medical group is Dr. Sean Chia Chang part of?
Dr. Chang is linked to Scanlan Center for School Mental Health Clinic. Dmand AI links Dr. Chang to 45 more medical groups.
Does Dr. Sean Chia Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 19,348 services in 2024.
What is Dr. Sean Chia Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Sean Chia Chang see?
CMS counts 1,070 Medicare patients who saw Dr. Chang in 2024, with an average age of 73.
Is Dr. Sean Chia Chang board certified?
Yes. Dr. Chang is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Sean Chia Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were medical supplies or transport (A9585), medicare temporary code (Q9967) and diagnostic imaging (70553).
Where did Dr. Sean Chia Chang go to medical school?
Dr. Chang graduated from David Geffen School of Medicine at UCLA in 2005.
Has Dr. Sean Chia Chang received payments from drug or device companies?
CMS Open Payments shows $353 in general payments to Dr. Chang from 5 companies from 2016 to 2024. The largest total came from Progenics Pharmaceuticals, Inc.
How long has Dr. Sean Chia Chang been practicing?
Dr. Chang graduated from medical school in 2005, 21 years ago.
What insurance does Dr. Sean Chia Chang accept?
Dr. Chang is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Medica. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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