NPPES file of Aug 9, 2026

Alexander Sang-Hyun Lee, M.D

Emergency Medicine Physician · Apple Valley, CA

Alexander Sang-Hyun Lee, M.D is an emergency medicine physician with a practice address in Apple Valley, California, and NPI 1083658884, issued on Jun 15, 2006. Check the license (California A77568, 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
1083658884
Name
Alexander Sang-Hyun Lee
Credential
M.D
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A77568 CA
Self-reported in NPPES; status is on the state search
Practice location
18300 Highway 18, Apple Valley, CA 92307
Phone
(760) 242-2311
Enumerated
Jun 15, 2006
Record last updated
Feb 14, 2023
Medicare enrollment
Enrolled (PECOS I20031208001089); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 1996
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 18300 Highway 18

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

  1. David Baum, M.D.Emergency Medicine Physician1992749790
  2. Franz Bolowich, D.OEmergency Medicine Physician1982648846
  3. John Butcher, CRNACertified Registered Nurse Anesthetist1548373285
  4. Richard Decker, P.A-CPhysician Assistant1083658975
  5. Steven Dodds, MDNeonatal-Perinatal Medicine Physician1477636207
  6. Ali Ebrahim, M.DEmergency Medicine Physician1700820677

Verify Alexander Sang-Hyun 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 A77568
    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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32% fewer Medicare Part D claims than the average emergency medicine physician in 2024

154 Medicare Part D claims for 87 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Alexander Lee154
  2. Specialty average226

Most prescribed

  1. Prednisone14 claims
  2. Meloxicam12 claims
  3. Hydrocodone-Acetaminophen11 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 3 group practices

  1. Ignite Emergency Physicians A Medical CorporationMontclair, CA
  2. Memorialcare Medical FoundationFountain Valley, CA
  3. San Dimas Emergency Medical Associates Inc.San Dimas, CA

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

Alexander Sang-Hyun Lee among 7,751 emergency medicine physician records in California

Alexander Sang-Hyun 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1996 · median 2011 among the 4,560 with a school on file
  • Record last updated2023 · 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).

12 emergency medicine physician records list a practice address in Apple Valley

They are 12 of the 1,518 NPPES records with a practice address in Apple Valley, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Stephen Anderson, M.DApple Valley, CA 923071659554194
  2. David Baum, M.D.Apple Valley, CA 923071992749790
  3. Franz Bolowich, D.OApple Valley, CA 923071982648846
  4. Ali Ebrahim, M.DApple Valley, CA 923071700820677
  5. Travis Henson, M.DApple Valley, CA 923071548205560
  6. Eugene Hu, M.DApple Valley, CA 923071194761122
  7. R. Kovacik, M.DApple Valley, CA 923071447295308
  8. Todd Larson, M.DApple Valley, CA 923071326082769

Common questions

What is Alexander Sang-Hyun Lee, M.D's NPI number?

Alexander Sang-Hyun Lee, M.D's National Provider Identifier (NPI) is 1083658884, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Sang-Hyun Lee, M.D located?

The NPPES record lists a practice address at 18300 Highway 18, Apple Valley, CA, 92307. Phone: (760) 242-2311. Providers update this record themselves, so call before visiting.

How can I verify Alexander Sang-Hyun Lee, M.D's license?

NPPES lists California license number A77568, 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 Alexander Sang-Hyun Lee, M.D prescribe under Medicare Part D?

In 2024, Alexander Sang-Hyun Lee, M.D had 154 Medicare Part D claims for 87 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.