NPPES file of Aug 9, 2026

Lisa Qian Chen, M.D.

Emergency Medicine Physician · Fontana, CA

Lisa Qian Chen, M.D. is an emergency medicine physician with a practice address in Fontana, California, and NPI 1861835928, issued on Apr 9, 2013. Check the license (California 1861835928, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861835928
Name
Lisa Qian Chen
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
1861835928 CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave, Fontana, CA 92335
Phone
(909) 427-5000
Enumerated
Apr 9, 2013
Record last updated
Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170515002140); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9961 Sierra Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Solomon Abila, MDFamily Medicine Physician1871652479
  2. Jenny Abouelsood, M.D.Family Medicine Physician1457638512
  3. Marla Abrolat, MDPediatrics Physician1164593133
  4. Eduardo Acosta, MDPediatrics Physician1497803324
  5. Michael Adair, MDFamily Medicine Physician1780732651
  6. Berneva Adams, MDObstetrics & Gynecology Physician1376602987

Verify Lisa Qian Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 1861835928
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.4 times the Medicare Part D claims of the average emergency medicine physician in 2024

541 Medicare Part D claims for 319 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 67 claims were for opioids.

  1. Lisa Chen541
  2. Specialty average226

Most prescribed

  1. Cephalexin37 claims
  2. Hydrocodone-Acetaminophen36 claims
  3. Azithromycin34 claims
  4. Cefuroxime30 claims
  5. Ciprofloxacin Hcl30 claims
  6. Cefpodoxime Proxetil29 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.

Industry payments in 2024: $27.57

1 payment: food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lisa Chen$27.57
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupOntario, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lisa Qian Chen among 7,751 emergency medicine physician records in California

Lisa Qian Chen, M.D. is one of 7,751 emergency 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 2013, is newer than 66% of them.

  • NPI issued2013 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2013 · median 2011 among the 4,560 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

55 emergency medicine physician records list a practice address in Fontana

They are 55 of the 3,012 NPPES records with a practice address in Fontana, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Pierre Assaf, MDFontana, CA 923351417969973
  2. Greg Capestany, MDFontana, CA 923351134277007
  3. Pushkar Chand, M.D.Fontana, CA 923351013074582
  4. Jonathan Chock, MDFontana, CA 923351770650624
  5. Karita Goulbourne, MDFontana, CA 923351619044500
  6. Charlene Jung, MDFontana, CA 923351346398146
  7. Shant Kalanjian, MDFontana, CA 923351942377841
  8. Ronald Lugo, MDFontana, CA 923351972670883

Common questions

What is Lisa Qian Chen, M.D.'s NPI number?

Lisa Qian Chen, M.D.'s National Provider Identifier (NPI) is 1861835928, issued on Apr 9, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Qian Chen, M.D. located?

The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5000. Providers update this record themselves, so call before visiting.

How can I verify Lisa Qian Chen, M.D.'s license?

NPPES lists California license number 1861835928, 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 Lisa Qian Chen, M.D. prescribe under Medicare Part D?

In 2024, Lisa Qian Chen, M.D. had 541 Medicare Part D claims for 319 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.