NPPES file of Aug 9, 2026

David Saehyun Lee, M.D.

Emergency Medicine Physician · Fontana, CA

David Saehyun Lee, M.D. is an emergency medicine physician with a practice address in Fontana, California, and NPI 1336451426, issued on Jul 6, 2010. Check the license (California A130967, 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
1336451426
Name
David Saehyun Lee
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A130967 CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave, Fontana, CA 92335
Phone
(909) 427-5000
Enumerated
Jul 6, 2010
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
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 David Saehyun Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A130967
    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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57% more Medicare Part D claims than the average emergency medicine physician in 2024

355 Medicare Part D claims for 228 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 70 claims were for opioids.

  1. David Lee355
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen60 claims
  2. Cephalexin33 claims
  3. Prednisone27 claims
  4. Azithromycin26 claims
  5. Ondansetron Odt21 claims
  6. Ciprofloxacin Hcl15 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.

David Saehyun Lee among 7,751 emergency medicine physician records in California

David Saehyun Lee, 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 2010, is newer than 58% of them.

  • NPI issued2010 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • 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 David Saehyun Lee, M.D.'s NPI number?

David Saehyun Lee, M.D.'s National Provider Identifier (NPI) is 1336451426, issued on Jul 6, 2010. An NPI identifies a provider in billing; it is not a license.

Where is David Saehyun Lee, 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 David Saehyun Lee, M.D.'s license?

NPPES lists California license number A130967, 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 David Saehyun Lee, M.D. prescribe under Medicare Part D?

In 2024, David Saehyun Lee, M.D. had 355 Medicare Part D claims for 228 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.