Kenneth I-Chien Tan, M.D.
Neonatal-Perinatal Medicine Physician · San Jose, CA
Kenneth I-Chien Tan, M.D. is a neonatal-perinatal medicine physician with a practice address in San Jose, California, and NPI 1780631788, issued on May 27, 2006. Check the license (California G60594, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kenneth I-Chien Tan
- Credential
- M.D.
- Primary taxonomy
- Neonatal-Perinatal Medicine Physician 2080N0001X
- License number
- G60594 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3880 S. Bascom Avenue, San Jose, CA 95124
- Phone
- (408) 377-8100
- Enumerated
- May 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (408) 377-3044
- Entity
- Type 1 · individual
8 nearest neonatal-perinatal medicine physician records → All 871 in California → Look up another NPI →
Verify Kenneth I-Chien Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Kenneth I-Chien Tan among 871 neonatal-perinatal medicine physician records in California
Kenneth I-Chien Tan, M.D. is one of 871 neonatal-perinatal medicine physician records with a practice address in California. 15% 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 52% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neonatal-Perinatal Medicine Physician providers in California
There are 871 neonatal-perinatal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 871 in California → Every provider in San Jose → Neonatal-Perinatal Medicine Physician nationwide →
The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes
- Hussein ElmuftiSan Jose, CA 951241720475296
- Ernesto Gonzalez, M.D.San Jose, CA 951241689937344
- Eun Kim, MDSan Jose, CA 951241063476091
- Pui Lai, MDSan Jose, CA 951241972847101
- Richard Powers, M.D.San Jose, CA 951241689626996
- Sridevi Venigalla, M.DSan Jose, CA 951241205049376
- Lota Viray, M.D.San Jose, CA 951241770546723
- Tungho Wang, M.D.San Jose, CA 951241700841269
Common questions
What is Kenneth I-Chien Tan, M.D.'s NPI number?
Kenneth I-Chien Tan, M.D.'s National Provider Identifier (NPI) is 1780631788, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth I-Chien Tan, M.D. located?
The NPPES record lists a practice address at 3880 S. Bascom Avenue, San Jose, CA, 95124. Phone: (408) 377-8100. Providers update this record themselves, so call before visiting.
How can I verify Kenneth I-Chien Tan, M.D.'s license?
NPPES lists California license number G60594, 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.