Helen P. Chang, M.D.
Pediatrics Physician · Palo Alto, CA
Helen P. Chang, M.D. is a pediatrics physician with a practice address in Palo Alto, California, and NPI 1275577256, issued on Jun 16, 2006. Check the license (California A90968, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Helen P. Chang
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A90968 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 853-6558
- Enumerated
- Jun 16, 2006
- Record last updated
- May 28, 2020 (not updated in 6 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 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nana Efua Adabie, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1437647732
- Amy Adams, M.D.Dermatology Physician1679643928
- William Adams, DPMFoot & Ankle Surgery Podiatrist1447487830
Verify Helen P. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A90968Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average pediatrics physician in 2024
68 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Helen P. Chang among 9,272 pediatrics physician records in California
Helen P. 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. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2020 · 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).
321 pediatrics physician records list a practice address in Palo Alto
They are 321 of the 7,617 NPPES records with a practice address in Palo Alto, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Palo Alto → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Ross Dehovitz, MDPalo Alto, CA 943011861503815
- Harry Dennis, MDPalo Alto, CA 943011073624029
- Charlotte Drew, MDPalo Alto, CA 943011982715942
- Robin Drucker, MDPalo Alto, CA 943011447361415
- Katherine Eastham, MDPalo Alto, CA 943011871586826
- Rebecca Fazilat, MDPalo Alto, CA 943011073586665
- Erica Goldman, MDPalo Alto, CA 943011720199722
- Kimberly Jones, MDPalo Alto, CA 943011033220033
Common questions
What is Helen P. Chang, M.D.'s NPI number?
Helen P. Chang, M.D.'s National Provider Identifier (NPI) is 1275577256, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Helen P. Chang, M.D. located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 853-6558. Providers update this record themselves, so call before visiting.
How can I verify Helen P. Chang, M.D.'s license?
NPPES lists California license number A90968, 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.
How much does Helen P. Chang, M.D. prescribe under Medicare Part D?
In 2024, Helen P. Chang, M.D. had 68 Medicare Part D claims; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.