LESLIE CHEN D.O.
NPI 1023428331
Family Medicine in Fremont, CA

Q: What is Leslie Chen's NPI number?

The NPI number for Leslie Chen is 1023428331. It was assigned to this individual provider in the NPPES registry on May 8, 2014.

Q: What is Leslie Chen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Leslie Chen was last updated on June 5, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 08, 2014PECOS EnrolledAccepts Medicare Assignment

3200 KEARNEY ST, FREMONT, CA 94538(510) 490-1222 Get Directions Write a Review

NPPES record last updated: June 5, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 5, 2025, Jun 3, 2020, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

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About Leslie Chen D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LESLIE CHEN D.O. (NPI 1023428331) is an individual family medicine provider in Fremont, California, licensed in California (20A14391) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fresno, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1023428331

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameLESLIE CHENCredential: D.O.

Location Address3200 KEARNEY STFremont, CA 94538-2299

Mailing AddressPo Box 276950Sacramento, CA 95827-6950 · (510) 490-1222

Phone(510) 490-1222

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMay 8, 2014

Last NPPES UpdateJune 5, 20254 updates tracked since enumeration

NPPES CertifiedJune 5, 2025

✔ NPI 1023428331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · 20A14391

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

3200 KEARNEY ST, Fremont, CA 94538

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Secondary Practice Location 1

Location 1155 N Fresno St, Department of Family MedicineFresno, CA 93701-2302 · Phone (559) 499-6450

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Leslie Chen D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789968884

PECOS Enrollment IDI20171016001931

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

168 services161 patients

Injection, ceftriaxone sodium, per 250 mg J0696

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

76 services18 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

53 services53 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

33 services33 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

31 services30 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

26 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KELLY RENEE MILLER MD

Family Medicine