Dr. Justine Chang, MD
- Hospital affiliations
- 1
- Industry payments
- $82
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, 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. Justine Chang is a maternal-fetal medicine specialist in Santa Clara, California
Dr. Chang practices at Permanente Medical Group Inc in Santa Clara, California.
Dr. Chang's NPI, 1528259090, was assigned on August 8, 2007. Dr. Chang holds Washington license MD60275720.
- NPI
- 1528259090NPI Registry (opens in a new tab)
- NPI enumeration date
- August 8, 2007
- NPI status
- Active
- Practice phone
- (408) 851-1000
- 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 Practice Data
Dr. Justine Chang practices at Permanente Medical Group Inc in Santa Clara, California
Dr. Chang's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Justine Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dr. Chang is also affiliated with UW Medical Center - Montlake. The medical group on file is The Permanente Medical Group, Inc.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Justine 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 |
|---|---|
| Permanente Medical Group Inc | 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. Justine Chang is one of 318 maternal-fetal medicine specialists in California
Maternal and fetal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207VM0101X. Dr. Chang is licensed in Washington.
Specialties and state licenses
- Maternal and fetal medicine, WashingtonPrimary
Maternal-fetal medicine specialists near Dr. Chang
Counts of maternal-fetal medicine specialists 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. Justine Chang's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 31, with 99% 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 31
Patient panel by sex, all payers
- Women99%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Justine Chang received $82 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Chang from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $82.
Companies that paid Dr. Chang the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Justine 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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Justine 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. Justine Chang's NPI number?
Dr. Justine Chang's NPI number is 1528259090. It was assigned on August 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Justine Chang?
Dr. Justine Chang is a maternal-fetal medicine specialist in Santa Clara, California. The primary specialty in the NPI Registry is Maternal & Fetal Medicine Physician (taxonomy code 207VM0101X).
Where does Dr. Justine Chang practice?
Dr. Chang practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Chang's primary practice is Permanente Medical Group Inc in Santa Clara, California.
What is Dr. Justine Chang's office phone number?
The practice phone on file for Dr. Chang is (408) 851-1000.
What is Dr. Justine Chang's medical license number?
Dr. Chang holds Washington license MD60275720.
Which hospitals is Dr. Justine Chang affiliated with?
Dr. Chang is affiliated with UW Medical Center - Montlake.
What medical group is Dr. Justine Chang part of?
Dr. Chang is linked to The Permanente Medical Group, Inc.
Has Dr. Justine Chang received payments from drug or device companies?
CMS Open Payments shows $82 in general payments to Dr. Chang from 1 company from 2018 to 2018. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Justine Chang been practicing?
Dr. Chang's NPI was assigned in 2007.
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