Semin Diagn Pathol
Bone MarrowGenotypeHistiocytes
Dr. Karen L. Chang, MD
NPI1518924398
- Publications
- 1
- Industry payments
- $176
- Affiliated sites
- 1
- Medical groups
- 2
- State licenses
- 11
- Practice address
- 1500 E Duarte Road, Duarte, CA
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Helford Clinical Research Hospital
Duarte, California
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. Karen L. Chang is a pathologist in Phoenix, Arizona
Dr. Chang practices at City of Hope Helford Clinical Research Hospital in Duarte, California.
Dr. Chang's NPI, 1518924398, was assigned on April 27, 2006. Dr. Chang graduated from Icahn School Of Medicine At Mount Sinai in 1985. Dr. Chang holds California license G59593.
NPI and contact details
- NPI
- 1518924398NPI Registry (opens in a new tab)
- NPI enumeration date
- April 27, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen L. Chang practices in Duarte and Phoenix
Dr. Chang's primary practice is City of Hope Helford Clinical Research Hospital, at 1500 E Duarte Road, Duarte, CA. The NPI Registry lists Dr. Chang's practice address as 250 E Dunlap Ave, Phoenix, AZ 85020.
- City of Hope Helford Clinical Research HospitalPrimary1500 E Duarte Road, Duarte, CA
- NPI Registry address250 E Dunlap Ave, Phoenix, AZ 85020 · Maricopa CountyPhone(626) 359-8111
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Karen L. Chang is affiliated with 1 site of care and 2 medical groups
Dr. Chang's primary practice is City of Hope Helford Clinical Research Hospital in Duarte, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Chang to 1 more medical group, named with a free account.
City of Hope Helford Clinical Research HospitalPrimary
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen L. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Helford Clinical Research Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Chang practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Karen L. Chang is one of 194 pathologists in Arizona
Anatomic pathology and clinical pathology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Chang is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dmand AI has Dr. Chang's licenses on file in 11 states: California, Arizona, Colorado, Georgia, New Jersey, South Carolina, Hawaii, Kentucky, Missouri, Nebraska and Washington.
Specialties and state licenses
- Anatomic pathology and clinical pathology, CaliforniaPrimary
- Arizona license
- Colorado license
- Georgia license
- New Jersey license
- South Carolina license
- Hawaii license
- Kentucky license
- Missouri license
- Nebraska license
- Washington license
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. Karen L. Chang's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 57, with 25% 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 57
Patient panel by sex, all payers
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Dr. Karen L. Chang has 1 publication on record
Dmand AI links 1 paper to Dr. Chang. Dr. Chang's most frequent co-authors are Karl Gaal, MD, Qin Huang, MD and Lawrence Martin Weiss, MD.
Papers1
Dr. Chang's most frequent co-authors
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 pathologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karen L. Chang received $176 in industry payments from 2020 to 2024
CMS Open Payments shows 9 general payments to Dr. Chang from 4 drug and device companies from 2020 to 2024. Food and beverage make up the largest share, 100% of the total. Ardelyx, Inc. paid the most, $60.
General payments to Dr. Chang by program year, 2020 to 2024
Companies that paid Dr. Chang the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen L. Chang graduated from Icahn School Of Medicine At Mount Sinai
Dr. Chang graduated from Icahn School Of Medicine At Mount Sinai in 1985.
- Medical school
- Board certified in anatomic pathology & clinical pathology
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Karen 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. Karen L. Chang's NPI number?
Dr. Karen L. Chang's NPI number is 1518924398. It was assigned on April 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen L. Chang?
Dr. Karen L. Chang is a pathologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Karen L. Chang practice?
Dr. Chang practices at 1500 E Duarte Road, Duarte, CA. Dr. Chang also practices at 250 E Dunlap Ave, Phoenix, AZ 85020. Dr. Chang's primary practice is City of Hope Helford Clinical Research Hospital in Duarte, California. Dmand AI also links Dr. Chang to 1 medical group.
What is Dr. Karen L. Chang's medical license number?
Dr. Chang holds California license G59593, one of the licenses on file in 11 states.
Which states has Dr. Karen L. Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (1987 to 2026), Arizona (2023 to 2027), Colorado (2023 to 2027), Georgia (2023 to 2027), New Jersey (2023 to 2027), South Carolina (2023 to 2027), Hawaii (2023 to 2026), Kentucky (2023 to 2026), Missouri (2023 to 2026), Nebraska (2023 to 2026) and Washington (2023 to 2026).
What medical group is Dr. Karen L. Chang part of?
Dr. Chang is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Chang to 1 more medical group.
Is Dr. Karen L. Chang board certified?
Yes. Dr. Chang is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.
Where did Dr. Karen L. Chang go to medical school?
Dr. Chang graduated from Icahn School Of Medicine At Mount Sinai in 1985.
Has Dr. Karen L. Chang received payments from drug or device companies?
CMS Open Payments shows $176 in general payments to Dr. Chang from 4 companies from 2020 to 2024. The largest total came from Ardelyx, Inc.
How long has Dr. Karen L. Chang been practicing?
Dr. Chang graduated from medical school in 1985, 41 years ago.
Does Dr. Karen L. Chang do research?
Dmand AI links 1 publication to Dr. Chang.
Who does Dr. Karen L. Chang publish with?
Dr. Chang's most frequent co-authors are Karl Gaal, MD (1 shared paper), Qin Huang, MD (1 shared paper) and Lawrence Martin Weiss, MD (1 shared paper).
Selling to anatomic pathology and clinical pathology practices?
See pathologists in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card