Gilbert T. Chang, MD
Pediatrics Physician · Fairfield, CA
Gilbert T. Chang, MD is a pediatrics physician with a practice address in Fairfield, California, and NPI 1538195755, issued on Jun 23, 2006. Check the license (California A70026, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gilbert T. Chang
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A70026 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5140 Business Center Dr, Fairfield, CA 94534
- Phone
- (707) 864-9999
- Enumerated
- Jun 23, 2006
- Record last updated
- Mar 25, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (707) 864-5376
- Entity
- Type 1 · individual
Also registered at 5140 Business Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mounzer Al Samman, M.D.Gastroenterology Physician1700822160
- Alina Hongsakaphadana, M.D.Family Medicine Physician1740304237
- Marianne Wachalovsky, FNPFamily Nurse Practitioner1316247737
Verify Gilbert T. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32 pediatrics physician records list a practice address in Fairfield
They are 32 of the 3,595 NPPES records with a practice address in Fairfield, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 32 in Fairfield → All 9,272 in California → Every provider in Fairfield →
Other pediatrics physician records in California
- Subha Aahlad, M.D.Foster City, CA1780610253
- Rebecca Aaronson, MDPanorama City, CA1487746814
- Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
- Michelle Abajian, MDLa Canada, CA1619176757
- Joseph Abapo, MDRiverside, CA1841348786
- Zvart Abaryan, MDLos Angeles, CA1154940849
- Lauren Abbas, MDLos Angeles, CA1982163796
- Attia Abbasi, M.D.Auburn, CA1922027127
- Denise AbbasiParadise, CA1770062341
- Alexandra Abbott, MDPalo Alto, CA1760018675
Common questions
What is Gilbert T. Chang, MD's NPI number?
Gilbert T. Chang, MD's National Provider Identifier (NPI) is 1538195755, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gilbert T. Chang, MD located?
The NPPES record lists a practice address at 5140 Business Center Dr, Fairfield, CA, 94534. Phone: (707) 864-9999. Providers update this record themselves, so call before visiting.
How can I verify Gilbert T. Chang, MD's license?
NPPES lists California license number A70026, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.