Leslie Chen, D.O.
Family Medicine Physician · Fremont, CA
Leslie Chen, D.O. is a family medicine physician with a practice address in Fremont, California, and NPI 1023428331, issued on May 8, 2014. Check the license (California 20A14391, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leslie Chen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A14391 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3200 Kearney St, Fremont, CA 94538
- Phone
- (510) 490-1222
- Enumerated
- May 8, 2014
- Record last updated
- Jun 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20171016001931); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3200 Kearney St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jia Afnan, PAPhysician Assistant1376763698
- Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
- Neha AnandFamily Medicine Physician1477810836
- Lauren Auerbach, MDEmergency Medicine Physician1033678990
- Ritika Aulakh, D.OFamily Medicine Physician1346335072
- Rupal Badani, M.D.Pediatrics Physician1598857765
Verify Leslie Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
262 Medicare Part D claims for 183 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate32 claims
- Cephalexin30 claims
- Albuterol Sulfate Hfa24 claims
- Amoxicillin-Clavulanate Potass13 claims
- Diclofenac Sodium13 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 FoundationFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leslie Chen among 17,133 family medicine physician records in California
Leslie Chen, D.O. 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 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2014 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 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).
90 family medicine physician records list a practice address in Fremont
They are 90 of the 4,749 NPPES records with a practice address in Fremont, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Fremont → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Arshia Arjumand, MDFremont, CA 945381215961917
- Jan Dickey, MDFremont, CA 945381134153752
- Gail Dressler, MDFremont, CA 945381821004847
- Caroline Garcia, MDFremont, CA 945381922114180
- Kelly Renee Miller, MDFremont, CA 945381841286705
- Durriyah Mogri, MDFremont, CA 945381386670784
- Aruna Reddy, MDFremont, CA 945381225034556
- Ranjana Sharma, MDFremont, CA 945381548270119
Common questions
What is Leslie Chen, D.O.'s NPI number?
Leslie Chen, D.O.'s National Provider Identifier (NPI) is 1023428331, issued on May 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Chen, D.O. located?
The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 490-1222. Providers update this record themselves, so call before visiting.
How can I verify Leslie Chen, D.O.'s license?
NPPES lists California license number 20A14391, 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 Leslie Chen, D.O. prescribe under Medicare Part D?
In 2024, Leslie Chen, D.O. had 262 Medicare Part D claims for 183 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.