Helen Chih Shen Chang, M.D.
Internal Medicine Physician · Los Gatos, CA
Helen Chih Shen Chang, M.D. is an internal medicine physician with a practice address in Los Gatos, California, and NPI 1427278688, issued on Apr 27, 2007. Check the license (California A37547, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Helen Chih Shen Chang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A37547 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15195 National Ave, Los Gatos, CA 95032
- Phone
- (408) 358-9917
- Enumerated
- Apr 27, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (408) 358-9927
- Entity
- Type 1 · individual
Also registered at 15195 National Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul Indman, M.D.Gynecology Physician1770818619
- Manjula Jeyapalan-Noone, M.D.Surgery Physician1598785198
- Sarita Johnson, M.DObstetrics & Gynecology Physician1386726099
- Neeraj Kochhar, MDFamily Medicine Physician1033180294
Verify Helen Chih Shen Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A37547Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47 internal medicine physician records list a practice address in Los Gatos
They are 47 of the 1,905 NPPES records with a practice address in Los Gatos, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 47 in Los Gatos → All 17,696 in California → Every provider in Los Gatos →
Other internal medicine physician records in California
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- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Helen Chih Shen Chang, M.D.'s NPI number?
Helen Chih Shen Chang, M.D.'s National Provider Identifier (NPI) is 1427278688, issued on Apr 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Helen Chih Shen Chang, M.D. located?
The NPPES record lists a practice address at 15195 National Ave, Los Gatos, CA, 95032. Phone: (408) 358-9917. Providers update this record themselves, so call before visiting.
How can I verify Helen Chih Shen Chang, M.D.'s license?
NPPES lists California license number A37547, 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.