NPPES file of Aug 9, 2026

Berniece Chen

Emergency Medicine Physician · Fontana, CA

Berniece Chen is an emergency medicine physician with a practice address in Fontana, California, and NPI 1932729134, issued on Apr 17, 2020. Check the license (California 20A20527, 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
1932729134
Name
Berniece Chen
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
20A20527 CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave, Fontana, CA 92335
Phone
(833) 574-2273
Enumerated
Apr 17, 2020
Record last updated
Apr 9, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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 Berniece 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 20A20527
    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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30% more Medicare Part D claims than the average emergency medicine physician in 2024

293 Medicare Part D claims for 193 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Berniece Chen293
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt25 claims
  2. Cephalexin23 claims
  3. Hydrocodone-Acetaminophen18 claims
  4. Ciprofloxacin Hcl12 claims
  5. Azithromycin11 claims
  6. Lactulose11 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.

Berniece Chen among 7,751 emergency medicine physician records in California

Berniece Chen 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 2020, is newer than 88% of them.

  • NPI issued2020 · 88% of these records are older, 8% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2024 · 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 Berniece Chen's NPI number?

Berniece Chen's National Provider Identifier (NPI) is 1932729134, issued on Apr 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Berniece Chen located?

The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.

How can I verify Berniece Chen's license?

NPPES lists California license number 20A20527, 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 Berniece Chen prescribe under Medicare Part D?

In 2024, Berniece Chen had 293 Medicare Part D claims for 193 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.