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DR. JAMES JONG LEE M.D.
NPI 1891853107
Internal Medicine in Laguna Woods, CA

Active since December 05, 2006PECOS Enrolled
24268 EL TORO ROAD, LAGUNA WOODS, CA 92637(657) 241-8455(657) 295-2116 Get Directions Write a Review

NPPES record last updated: November 7, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 7, 2024, Jul 1, 2016 (2 updates tracked since 2016).

About Dr. James Jong Lee M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES JONG LEE M.D. (NPI 1891853107) is an individual internal medicine provider in Laguna Woods, California, licensed in California (C54592) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891853107
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES JONG LEECredential: M.D.
Location Address24268 EL TORO ROADLaguna Woods, CA 92637
Mailing Address24268 El Toro RoadLaguna Woods, CA 92637 · (657) 241-8455 · Fax (657) 295-2116
Phone(657) 241-8455
Fax(657) 295-2116
Sole ProprietorNo
Enumeration DateDecember 5, 2006
Last NPPES UpdateNovember 7, 20242 updates tracked since enumeration
NPPES CertifiedNovember 7, 2024
✔ NPI 1891853107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · C54592
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
24268 EL TORO ROAD, Laguna Woods, CA 92637
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Other Identifiers 2

Medicaid8509739WA
Other0235224WA · L&i

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Jong Lee M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show James Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Memorialcare Medical Foundation
15 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KIEN-AN DUONG MD
Internal Medicine
24268 EL TORO ROAD
LAGUNA WOODS, CA 92637
Orange County (657) 241-8455
DR. PETER VINCENT PHILLIP DANGVU M.D.
Family Medicine
24268 EL TORO ROAD
LAGUNA WOODS, CA 92637
Orange County (657) 241-8455
TALAR TAHA MOY FNP
Nurse Practitioner (Family)
24268 EL TORO ROAD
LAGUNA WOODS, CA 92637
Orange County (657) 241-8455

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Lee's NPI number?

The NPI number for James Lee is 1891853107. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Where is James Lee located?

James Lee practices at 24268 El Toro Road, Laguna Woods, CA 92637. The listed phone number is (657) 241-8455.

What is James Lee's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Lee enrolled in Medicare?

Yes. James Lee is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for James Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Lee reassigns Medicare benefits to Memorialcare Medical Foundation (Fountain Valley, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Lee was last updated on November 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.