Cecil Chang, M.D.
Pediatrics Physician · Walnut Creek, CA
Cecil Chang, M.D. is a pediatrics physician with a practice address in Walnut Creek, California, and NPI 1215178728, issued on Mar 12, 2009. Check the license (California G21228, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Cecil Chang
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G21228 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3050 Citrus Cir, Walnut Creek, CA 94598
- Phone
- (925) 284-7873
- Enumerated
- Mar 12, 2009
- Record last updated
- Mar 12, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 3050 Citrus Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Randall Chang, D.D.S.Pediatric Dentistry1205961372
- Laeeq Evered, PSY.D.Clinical Neuropsychologist1619050069
- Margory Joehnk, PHDClinical Psychologist1386653491
- Aaron Nunnery, D.D.S.General Practice Dentistry1932231644
Verify Cecil Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G21228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Cecil Chang among 9,272 pediatrics physician records in California
Cecil Chang, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 37% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2009 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 pediatrics physician records list a practice address in Walnut Creek
They are 57 of the 6,170 NPPES records with a practice address in Walnut Creek, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,272 in California → Every provider in Walnut Creek → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Lynn Arsenault, MDWalnut Creek, CA 945981972681054
- Marian Birdsall, MDWalnut Creek, CA 945981235142613
- Lisa Erburu, MDWalnut Creek, CA 945981891755732
- Charles Hearey, MDWalnut Creek, CA 945981316025414
- Kai Lam, MDWalnut Creek, CA 945981982756797
- Brad Lewis, MDWalnut Creek, CA 945981871671974
- Mary Martino, MDWalnut Creek, CA 945981619049442
- Ann Mohler, MDWalnut Creek, CA 945981346466968
Common questions
What is Cecil Chang, M.D.'s NPI number?
Cecil Chang, M.D.'s National Provider Identifier (NPI) is 1215178728, issued on Mar 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Cecil Chang, M.D. located?
The NPPES record lists a practice address at 3050 Citrus Cir, Walnut Creek, CA, 94598. Phone: (925) 284-7873. Providers update this record themselves, so call before visiting.
How can I verify Cecil Chang, M.D.'s license?
NPPES lists California license number G21228, 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.