Garrett L. Watanabe, MD
Child & Adolescent Psychiatry Physician · Cupertino, CA
Garrett L. Watanabe, MD is a child & adolescent psychiatry physician with a practice address in Cupertino, California, and NPI 1851477376, issued on Oct 27, 2006. Check the license (California A74445, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Garrett L. Watanabe
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- A74445 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20380 Town Center LN, Cupertino, CA 95014
- Phone
- (408) 996-7950
- Enumerated
- Oct 27, 2006
- Record last updated
- Jul 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (408) 996-7997
- Medicaid ID
- 00A744450 CA
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 20380 Town Center LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Spark, RN, MFTMarriage & Family Therapist1245301712
- Ivria Spieler, PH.D., PSY.D., MFTMarriage & Family Therapist1417176793
Verify Garrett L. Watanabe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Garrett L. Watanabe among 1,009 child & adolescent psychiatry physician records in California
Garrett L. Watanabe, MD is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% 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, 65% newer
- In a Medicare fileNo · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2012 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,009 in California → Every provider in Cupertino → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Katherine Fan, M.D.Cupertino, CA 950141720283294
- Michelle Ferrari, MDCupertino, CA 950141407920705
- Eric McDonald, M.D.Cupertino, CA 950141679928733
- Marina Zelenko, MDCupertino, CA 950141912084864
- Elena Braverman, MDCampbell, CA 950081194891705
- Jeffrey Chen, M.D.Campbell, CA 950081548402019
- Diane HarrisCampbell, CA 950081679648158
- Siya Mehtani, DOGilroy, CA 950201629459615
Common questions
What is Garrett L. Watanabe, MD's NPI number?
Garrett L. Watanabe, MD's National Provider Identifier (NPI) is 1851477376, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Garrett L. Watanabe, MD located?
The NPPES record lists a practice address at 20380 Town Center LN, Cupertino, CA, 95014. Phone: (408) 996-7950. Providers update this record themselves, so call before visiting.
How can I verify Garrett L. Watanabe, MD's license?
NPPES lists California license number A74445, 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.