John Sungwon Lee, MD
Sleep Medicine (Internal Medicine) Physician · Los Angeles, CA
John Sungwon Lee, MD is a sleep medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1497041883, issued on Jun 23, 2011. Check the license (California A123119, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Sungwon Lee
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- A123119 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 S Virgil Ave Ste 202, Los Angeles, CA 90020
- Phone
- (213) 908-7707
- Enumerated
- Jun 23, 2011
- Record last updated
- Aug 28, 2025
- Fax
- (414) 296-8769
- Medicare enrollment
- Enrolled (PECOS I20150422001173); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →
Verify John Sungwon Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
425 Medicare Part D claims for 250 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin65 claims
- Chlorhexidine Gluconate19 claims
- Amoxicillin-Clavulanate Potass17 claims
- Amlodipine Besylate16 claims
- Prednisone15 claims
- Clopidogrel14 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 one group practice
- Dignity HealthLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Sungwon Lee among 129 sleep medicine (internal medicine) physician records in California
John Sungwon Lee, MD is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 51% of them.
- NPI issued2011 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2010 · median 2006 among the 106 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in California
There are 129 sleep medicine (internal medicine) physician records in California.
All 129 in California → Every provider in Los Angeles → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Alfonso Padilla, MDLos Angeles, CA 900241881650588
- Daniel Norman, M.D.Los Angeles, CA 900251730198730
- Joyce Adesina, M.D.Los Angeles, CA 900331922368745
- Cyrus Haghighian, MDLos Angeles, CA 900331326545914
- Christine McElyea, DOLos Angeles, CA 900331528487006
- Rijesh Niraula, DOLos Angeles, CA 900331164985420
- Ngocthuy Tran, M.D.Los Angeles, CA 900331407058464
- Payam Shadi, M.D.Los Angeles, CA 900351780615724
Common questions
What is John Sungwon Lee, MD's NPI number?
John Sungwon Lee, MD's National Provider Identifier (NPI) is 1497041883, issued on Jun 23, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Sungwon Lee, MD located?
The NPPES record lists a practice address at 500 S Virgil Ave Ste 202, Los Angeles, CA, 90020. Phone: (213) 908-7707. Providers update this record themselves, so call before visiting.
How can I verify John Sungwon Lee, MD's license?
NPPES lists California license number A123119, 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 John Sungwon Lee, MD prescribe under Medicare Part D?
In 2024, John Sungwon Lee, MD had 425 Medicare Part D claims for 250 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.