Dr. Gilbert T. Chang, MD
- Hospital affiliations
- 1
- Industry payments
- $262
- Medical group
- 1
- Insurance carriers
- 14
- State licenses
- 2
- Practice address
- 1200 B Gale Wilson Blvd, Fairfield, CA 94533
- Practice phone
- Call (707) 646-5000
- 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. Gilbert T. Chang is a pediatrician in Fairfield, California
Dr. Chang practices at NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.
Dr. Chang's NPI, 1538195755, was assigned on June 23, 2006. Dr. Chang graduated from Rutgers Robert Wood Johnson Medical School in 1996. Dr. Chang holds California license A70026.
- NPI
- 1538195755NPI Registry (opens in a new tab)
- NPI enumeration date
- June 23, 2006
- NPI status
- Active
- Practice phone
- (707) 646-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gilbert T. Chang practices at NorthBay Medical Center in Fairfield, California
Dr. Chang's primary practice is NorthBay Medical Center, at 1200 B Gale Wilson Blvd, Fairfield, CA 94533 in Solano County. The practice phone is (707) 646-5000.
- NorthBay Medical Center1200 B Gale Wilson Blvd, Fairfield, CA 94533 · Solano CountyPhone(707) 646-5000
Source: Dmand AI Affiliation Data
Dr. Gilbert T. Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. The medical group on file is NorthBay Health. Dmand AI also links Dr. Chang to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gilbert T. 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 |
|---|---|
| NorthBay Medical Center | Available with a free account |
| +1 more affiliated site | 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 NorthBay Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gilbert T. Chang is one of 8,236 pediatricians in California
Pediatrics is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Chang is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Chang's licenses on file in 2 states: California and New Jersey.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
- New Jersey license
Pediatricians near Dr. Chang
Counts of pediatricians 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. Gilbert T. Chang's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 10, with 44% 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 10
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Gilbert T. Chang received $262 in industry payments from 2017 to 2025
CMS Open Payments shows 4 general payments to Dr. Chang from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $237.
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
Dr. Gilbert T. Chang graduated from Rutgers Robert Wood Johnson Medical School
Dr. Chang graduated from Rutgers Robert Wood Johnson Medical School in 1996.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Gilbert T. Chang accepts plans from 14 insurance carriers
Dr. Chang is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Chang accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Gilbert T. 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 |
| 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. Gilbert T. 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. Gilbert T. Chang's NPI number?
Dr. Gilbert T. Chang's NPI number is 1538195755. It was assigned on June 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gilbert T. Chang?
Dr. Gilbert T. Chang is a pediatrician in Fairfield, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gilbert T. Chang practice?
Dr. Chang practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. Dr. Chang's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. Dmand AI also links Dr. Chang to 1 group practice or clinic.
What is Dr. Gilbert T. Chang's office phone number?
The practice phone on file for Dr. Chang is (707) 646-5000.
What is Dr. Gilbert T. Chang's medical license number?
Dr. Chang holds California license A70026, one of the licenses on file in 2 states.
Which states has Dr. Gilbert T. Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (1999 to 2027) and New Jersey (1999 to 2003).
Which hospitals is Dr. Gilbert T. Chang affiliated with?
Dr. Chang practices at NorthBay Medical Center in Fairfield, California.
What medical group is Dr. Gilbert T. Chang part of?
Dr. Chang is linked to NorthBay Health.
Is Dr. Gilbert T. Chang board certified?
Yes. Dr. Chang is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Gilbert T. Chang go to medical school?
Dr. Chang graduated from Rutgers Robert Wood Johnson Medical School in 1996.
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Has Dr. Gilbert T. Chang received payments from drug or device companies?
CMS Open Payments shows $262 in general payments to Dr. Chang from 2 companies from 2017 to 2025. The largest total came from Abiomed.
How long has Dr. Gilbert T. Chang been practicing?
Dr. Chang graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Gilbert T. Chang accept?
Dr. Chang is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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