Dr. Isabela Wen-Chi Chang, MD
- Part D claims, 2024
- 146
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $286
- Medical group
- 1
- Practice address
- 5777 East Mayo Boulevard, Phoenix, AZ 85054
- Practice phone
- Call (480) 342-4201
- 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. Isabela Wen-Chi Chang is an internist in Phoenix, Arizona
Dr. Chang practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic.
Dr. Chang's NPI, 1568157428, was assigned on April 6, 2023. Dr. Chang holds Arizona license R80132.
- NPI
- 1568157428NPI Registry (opens in a new tab)
- NPI enumeration date
- April 6, 2023
- NPI status
- Active
- Practice phone
- (480) 342-4201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Isabela Wen-Chi Chang practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona
Dr. Chang's primary practice is Mayo Clinic Hospital - Phoenix, at 5777 East Mayo Boulevard, Phoenix, AZ 85054 in Maricopa County. The practice phone is (480) 342-4201.
- Mayo Clinic Hospital - Phoenix5777 East Mayo Boulevard, Phoenix, AZ 85054 · Maricopa CountyPhone(480) 342-4201
Source: Dmand AI Affiliation Data
Dr. Isabela Wen-Chi Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic. The medical group on file is Mayo Clinic Arizona. Dmand AI also links Dr. Chang to 1 more ambulatory surgery center, named with a free account. Dr. Chang's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Isabela Wen-Chi Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital - Phoenix | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Isabela Wen-Chi Chang is one of 2,420 internists in Arizona
Internal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chang is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Chang
Counts of internists 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. Isabela Wen-Chi Chang's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 69, with 26% women.
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 69
Patient panel by sex, all payers
- Women26%
- Men74%
Source: Dmand AI Patient Panel Data
Dr. Isabela Wen-Chi Chang wrote 146 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 146 Medicare Part D claims for 39 patients. 91% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $150 in total drug cost.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic133 claims91%
- Brand-name13 claims9%
Dr. Chang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Isabela Wen-Chi Chang has 1 publication on record
Dmand AI links 1 paper to Dr. Chang in 2022. Dr. Chang's most frequent co-authors are Daniel H. Ahn, DO, Tanios S. Bekaii-Saab, MD and Mitesh J. Borad, MD.
Dr. Chang's most frequent co-authors
- Daniel H. Ahn, DO1 shared paper
- Tanios S. Bekaii-Saab, MD1 shared paper
- Mitesh J. Borad, MD1 shared paper
Recent publications by Dr. Chang
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Isabela Wen-Chi Chang received $286 in industry payments in 2025
CMS Open Payments shows 3 general payments to Dr. Chang from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $130.
Companies that paid Dr. Chang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Isabela Wen-Chi 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Isabela Wen-Chi 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. Isabela Wen-Chi Chang's NPI number?
Dr. Isabela Wen-Chi Chang's NPI number is 1568157428. It was assigned on April 6, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Isabela Wen-Chi Chang?
Dr. Isabela Wen-Chi Chang is an internist in Phoenix, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Isabela Wen-Chi Chang practice?
Dr. Chang practices at 5777 East Mayo Boulevard, Phoenix, AZ 85054. Dr. Chang's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic. Dmand AI also links Dr. Chang to 1 ambulatory surgery center.
What is Dr. Isabela Wen-Chi Chang's office phone number?
The practice phone on file for Dr. Chang is (480) 342-4201.
What is Dr. Isabela Wen-Chi Chang's medical license number?
Dr. Chang holds Arizona license R80132.
Which hospitals is Dr. Isabela Wen-Chi Chang affiliated with?
Dr. Chang practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona.
What medical group is Dr. Isabela Wen-Chi Chang part of?
Dr. Chang is linked to Mayo Clinic Arizona.
What drugs does Dr. Isabela Wen-Chi Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Clopidogrel and Tamsulosin HCl.
Has Dr. Isabela Wen-Chi Chang received payments from drug or device companies?
CMS Open Payments shows $286 in general payments to Dr. Chang from 3 companies from 2025 to 2025. The largest total came from UCB, Inc.
How long has Dr. Isabela Wen-Chi Chang been practicing?
Dr. Chang's NPI was assigned in 2023.
Does Dr. Isabela Wen-Chi Chang do research?
Dmand AI links 1 publication to Dr. Chang.
Who does Dr. Isabela Wen-Chi Chang publish with?
Dr. Chang's most frequent co-authors are Daniel H. Ahn, DO (1 shared paper), Tanios S. Bekaii-Saab, MD (1 shared paper) and Mitesh J. Borad, MD (1 shared paper).
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