Dr. Irene L. Chang, MD
- Medicare services, 2024
- 1,677
- Medicare patients, 2024
- 727
- MIPS score, 2024
- 91
- Hospital affiliations
- 4
- Industry payments
- $609
- Practice address
- 929 North St Francis Street, Wichita, KS 67214
- Practice phone
- Call (316) 268-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Irene L. Chang is a pathologist in Wichita, Kansas
Dr. Chang practices at Ascension Via Christi St. Francis in Wichita, Kansas, part of Ascension Health Alliance.
Dr. Chang's NPI, 1649450099, was assigned on November 13, 2007. Dr. Chang holds Kansas license 0435543.
- NPI
- 1649450099NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749305266
- NPI enumeration date
- November 13, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (316) 268-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Irene L. Chang practices at Ascension Via Christi St. Francis in Wichita, Kansas
Dr. Chang's primary practice is Ascension Via Christi St. Francis, at 929 North St Francis Street, Wichita, KS 67214 in Sedgwick County. The practice phone is (316) 268-5000.
- Ascension Via Christi St. Francis929 North St Francis Street, Wichita, KS 67214 · Sedgwick CountyPhone(316) 268-5000
Source: Dmand AI Affiliation Data
Dr. Irene L. Chang is affiliated with 4 sites of care and 1 medical group
Dr. Chang's primary practice is Ascension Via Christi St. Francis in Wichita, Kansas, part of Ascension Health Alliance. Dr. Chang is also affiliated with Ascension Via Christi St. Teresa. The medical group on file is Southcentral Pathology. Dmand AI also links Dr. Chang to 2 more hospitals, 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. Irene L. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Via Christi St. Francis | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Irene L. Chang is one of 99 pathologists in Kansas
Anatomic pathology and clinical pathology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dmand AI has Dr. Chang's licenses on file in 3 states: Kansas, California and Washington.
Specialties and state licenses
- Anatomic pathology and clinical pathology, KansasPrimary
- California license
- Anatomic pathology, Washington
Pathologists near Dr. Chang
Counts of pathologists 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. Irene L. Chang billed Medicare for 1,677 services in 2024
CMS data shows 1,677 Medicare services from Dr. Chang across 11 procedure codes in 2024, for 727 Medicare patients. Medicare paid $60,976 for them.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,1672024: 1,67723%
Where Dr. Chang's Medicare services took place, 2024
- In an office64839%
- In a facility1,02961%
Dr. Chang compared with the Kansas median for pathologists, 2024
- Dr. Chang
- Kansas median
- Medicare services
- 1,677vs 1,89111% below
- Medicare patients
- 727vs 693Close to median
Medians across 109 pathologists in Kansas 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other pathologists in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Irene L. Chang treated 727 Medicare patients in 2024, average age 74
CMS counts 727 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 348 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 61, with 53% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women36450%
- Men36350%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Ischemic heart disease32%
- Diabetes31%
- Chronic kidney disease26%
- Mood disorders25%
- Depression24%
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 61
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Irene L. Chang scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Chang for performance year 2024, reported as part of a group. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chang's MIPS scores, performance year 2024
- 91of 100Final score
- 82.5of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Irene L. Chang received $609 in industry payments from 2017 to 2025
CMS Open Payments shows 10 general payments to Dr. Chang from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Rti Surgical, Inc paid the most, $164.
General payments to Dr. Chang by program year, 2017 to 2025
Companies that paid Dr. Chang the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Irene L. 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Irene L. 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. Irene L. Chang's NPI number?
Dr. Irene L. Chang's NPI number is 1649450099. It was assigned on November 13, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Irene L. Chang?
Dr. Irene L. Chang is a pathologist in Wichita, Kansas. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Irene L. Chang practice?
Dr. Chang practices at 929 North St Francis Street, Wichita, KS 67214. Dr. Chang's primary practice is Ascension Via Christi St. Francis in Wichita, Kansas, part of Ascension Health Alliance. Dmand AI also links Dr. Chang to 2 hospitals.
What is Dr. Irene L. Chang's office phone number?
The practice phone on file for Dr. Chang is (316) 268-5000.
What is Dr. Irene L. Chang's medical license number?
Dr. Chang holds Kansas license 0435543, one of the licenses on file in 3 states.
Which states has Dr. Irene L. Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in Kansas, California and Washington.
Which hospitals is Dr. Irene L. Chang affiliated with?
Dr. Chang practices at Ascension Via Christi St. Francis in Wichita, Kansas. Dr. Chang is also affiliated with Ascension Via Christi St. Teresa. Dmand AI links Dr. Chang to 2 more hospitals.
What medical group is Dr. Irene L. Chang part of?
Dr. Chang is linked to Southcentral Pathology.
Does Dr. Irene L. Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 1,677 services in 2024, and Dr. Chang accepts Medicare assignment.
What is Dr. Irene L. Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 4 more questionsShow fewer questions
How many Medicare patients does Dr. Irene L. Chang see?
CMS counts 727 Medicare patients who saw Dr. Chang in 2024, with an average age of 74.
What services does Dr. Irene L. Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88342).
Has Dr. Irene L. Chang received payments from drug or device companies?
CMS Open Payments shows $609 in general payments to Dr. Chang from 5 companies from 2017 to 2025. The largest total came from Rti Surgical, Inc.
How long has Dr. Irene L. Chang been practicing?
Dr. Chang graduated from medical school in 2005, 21 years ago.
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