NPPES file of Aug 9, 2026

James Jong Lee, M.D.

Internal Medicine Physician · Laguna Woods, CA

James Jong Lee, M.D. is an internal medicine physician with a practice address in Laguna Woods, California, and NPI 1891853107, issued on Dec 5, 2006. Check the license (California C54592, 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
1891853107
Name
James Jong Lee
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C54592 CA
Self-reported in NPPES; status is on the state search
Practice location
24268 EL Toro Road, Laguna Woods, CA 92637
Phone
(657) 241-8455
Enumerated
Dec 5, 2006
Record last updated
Nov 7, 2024
Fax
(657) 295-2116
Medicaid ID
8509739 WA
Medicare enrollment
Enrolled (PECOS I20241125003394); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 24268 EL Toro Road

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

  1. Peter Dangvu, M.D.Family Medicine Physician1063453330
  2. Kien-An Duong, MDInternal Medicine Physician1033175658
  3. Talar Moy, FNPFamily Nurse Practitioner1811695349

Verify James Jong 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 C54592
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% fewer Medicare Part D claims than the average internal medicine physician in 2024

94 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. James Lee94
  2. Specialty average3,176

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: $49.51

2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Lee$49.51
  2. Specialty average$1,303.06

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. Memorialcare Medical FoundationIrvine, CA

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

3 internal medicine physician records list a practice address in Laguna Woods

They are 3 of the 185 NPPES records with a practice address in Laguna Woods, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is James Jong Lee, M.D.'s NPI number?

James Jong Lee, M.D.'s National Provider Identifier (NPI) is 1891853107, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Jong Lee, M.D. located?

The NPPES record lists a practice address at 24268 EL Toro Road, Laguna Woods, CA, 92637. Phone: (657) 241-8455. Providers update this record themselves, so call before visiting.

How can I verify James Jong Lee, M.D.'s license?

NPPES lists California license number C54592, 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 James Jong Lee, M.D. prescribe under Medicare Part D?

In 2024, James Jong Lee, M.D. had 94 Medicare Part D claims for 51 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.