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DR. JOHN SUNGWON LEE MD
NPI 1497041883
Internal Medicine - Sleep Medicine in Los Angeles, CA

Active since June 23, 2011PECOS EnrolledAccepts Medicare Assignment
500 S VIRGIL AVE STE 202, LOS ANGELES, CA 90020(213) 908-7707(414) 296-8769 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 20, 2025, Mar 24, 2023, Jan 20, 2023 and 4 more (7 updates tracked since 2015).

About Dr. John Sungwon Lee Md NPPES

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

DR. JOHN SUNGWON LEE MD (NPI 1497041883) is an individual sleep medicine provider in Los Angeles, California, licensed in California (A123119) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2010).

NPPES Registry Identity

NPI1497041883
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameDR. JOHN SUNGWON LEECredential: MD
Location Address500 S VIRGIL AVE STE 202Los Angeles, CA 90020-1448
Mailing Address500 S Virgil Ave Ste 202Los Angeles, CA 90020-1448 · (213) 908-7707 · Fax (213) 671-0130
Phone(213) 908-7707
Fax(414) 296-8769
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2010
Enumeration DateJune 23, 2011
Last NPPES UpdateAugust 28, 20257 updates tracked since enumeration
NPPES CertifiedAugust 28, 2025
✔ NPI 1497041883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in CA · A123119
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedInternal MedicineTaxonomy 207R00000X · License A123119 (CA)
Also ListedPreventive Medicine · Obesity MedicineTaxonomy 2083B0002X · License A123119 (CA)
500 S VIRGIL AVE STE 202, Los Angeles, CA 90020
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Other Names 1

Former Name (1)Sung Won Lee Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed, Blue Cross and Blue Shield of Kansas, Inc., Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Sungwon Lee Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698995421
PECOS Enrollment IDI20150422001173
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
76 services45 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
49 services47 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
29 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90020 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

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

JOHN LEE MD SLEEP CENTER INC
Internal Medicine (Sleep Medicine)
500 S VIRGIL AVE STE 202
LOS ANGELES, CA 90020
Los Angeles County (213) 908-7707

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 John Lee's NPI number?

The NPI number for John Lee is 1497041883. It was assigned to this individual provider in the NPPES registry on June 23, 2011. The provider is also known as Sung Won Lee MD.

Where is John Lee located?

John Lee practices at 500 S Virgil Ave Ste 202, Los Angeles, CA 90020. The listed phone number is (213) 908-7707.

What is John Lee's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is John Lee enrolled in Medicare?

Yes. John Lee is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Lee accept?

Health plans from AvMed, Blue Cross and Blue Shield of Kansas, Inc. and Imperial Insurance Companies, Inc. list John Lee as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Lee was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.