Justin Juan
Family Medicine Physician · Sunnyvale, CA
Justin Juan is a family medicine physician with a practice address in Sunnyvale, California, and NPI 1942788823, issued on Aug 1, 2018. Check the license (California A186273, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin Juan
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A186273 CA
Self-reported in NPPES; status is on the state search - Practice location
- 301 Old San Francisco RD, Sunnyvale, CA 94086
- Phone
- (408) 730-4262
- Enumerated
- Aug 1, 2018
- Record last updated
- Aug 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20240917003878); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2021
- 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 301 Old San Francisco RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Syed Salman Ali, MDInternal Medicine Physician1740621671
- Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
- Aisha AminInternal Medicine Physician1013440981
- Joyce Ang, MDPediatrics Physician1346634698
- Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709
Verify Justin Juan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A186273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
440 Medicare Part D claims for 140 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium33 claims
- Amlodipine Besylate19 claims
- Losartan Potassium18 claims
- Lisinopril15 claims
- Metformin Hcl Er14 claims
- Gabapentin12 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
- Sutter Bay Medical FoundationSunnyvale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Juan among 17,133 family medicine physician records in California
Justin Juan 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
- Graduated2021 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 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).
33 family medicine physician records list a practice address in Sunnyvale
They are 33 of the 1,690 NPPES records with a practice address in Sunnyvale, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Sunnyvale → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lulua Bahrainwala, MD, MSSunnyvale, CA 940861568949709
- Andreea Doaga, MDSunnyvale, CA 940861730387853
- Ying GuoSunnyvale, CA 940861871054338
- Barry Hansen, MDSunnyvale, CA 940861184663825
- Angie Li, MDSunnyvale, CA 940861932636396
- Jian Ying Liang, MDSunnyvale, CA 940861316989296
- Yingchih Lin, MDSunnyvale, CA 940861194817635
- Kimberley Ma, D.OSunnyvale, CA 940861023384260
Common questions
What is Justin Juan's NPI number?
Justin Juan's National Provider Identifier (NPI) is 1942788823, issued on Aug 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Justin Juan located?
The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (408) 730-4262. Providers update this record themselves, so call before visiting.
How can I verify Justin Juan's license?
NPPES lists California license number A186273, 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 Justin Juan prescribe under Medicare Part D?
In 2024, Justin Juan had 440 Medicare Part D claims for 140 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.