Stephen Huynh, DO
Family Medicine Physician · Los Gatos, CA
Stephen Huynh, DO is a family medicine physician with a practice address in Los Gatos, California, and NPI 1093206633, issued on May 18, 2018. Check the license (California 20A17815, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Huynh
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A17815 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15425 Los Gatos Blvd Ste 120, Los Gatos, CA 95032
- Phone
- (408) 340-5700
- Enumerated
- May 18, 2018
- Record last updated
- Jun 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210714001862); accepts Medicare assignment
- Medical or professional school
- Touro Un College Of Osteopathic Medicine, Vallejo, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 15425 Los Gatos Blvd Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Baule, DOFamily Medicine Physician1073928586
- William Broad, MDFamily Medicine Physician1750374591
- Umme Hani Khuddus, MDFamily Medicine Physician1780829754
- Anthony Olmert, MDFamily Medicine Physician1518661420
- Alla Rozova, PA-CPhysician Assistant1629260971
- Rina Shah, M.D.Family Medicine Physician1225262553
Verify Stephen Huynh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average family medicine physician in 2024
2,565 Medicare Part D claims for 558 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium216 claims
- Amlodipine Besylate209 claims
- Rosuvastatin Calcium125 claims
- Lisinopril109 claims
- Levothyroxine Sodium103 claims
- Losartan Potassium100 claims
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.
Bills Medicare through one group practice
- EL Camino Health Medical Network LLCSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Huynh among 17,133 family medicine physician records in California
Stephen Huynh, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family medicine physician records list a practice address in Los Gatos
They are 45 of the 1,905 NPPES records with a practice address in Los Gatos, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Gatos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Broad, MDLos Gatos, CA 950321750374591
- Tiffany Davies, M.D.Los Gatos, CA 950321386754133
- Mary Defigard, MDLos Gatos, CA 950321710914791
- Dewey Duckham, M.D.Los Gatos, CA 950321356369508
- Timothy Jen, M.D.Los Gatos, CA 950321013944628
- Neeraj Kochhar, MDLos Gatos, CA 950321033180294
- Thao Nguyen, MDLos Gatos, CA 950321619909975
- Arthur Polussa, M.D.Los Gatos, CA 950321629062021
Common questions
What is Stephen Huynh, DO's NPI number?
Stephen Huynh, DO's National Provider Identifier (NPI) is 1093206633, issued on May 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Huynh, DO located?
The NPPES record lists a practice address at 15425 Los Gatos Blvd Ste 120, Los Gatos, CA, 95032. Phone: (408) 340-5700. Providers update this record themselves, so call before visiting.
How can I verify Stephen Huynh, DO's license?
NPPES lists California license number 20A17815, 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 Stephen Huynh, DO prescribe under Medicare Part D?
In 2024, Stephen Huynh, DO had 2,565 Medicare Part D claims for 558 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.