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

NPI Status: Active since June 23, 2011

Contact Information

500 S VIRGIL AVE STE 202
LOS ANGELES, CA
ZIP 90020
Phone: (213) 908-7707
Fax: (414) 296-8769

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  • Individual
  • Male
  • Years of Experience 16
  • Internal Medicine
  • Sleep Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About JOHN LEE

This page provides the complete NPI Profile along with additional information for John Lee, an internist established in Los Angeles, California with a medical specialization in Internal Medicine, focusing in sleep medicine and more than 16 years of experience. He graduated from Loma Linda University School Of Medicine in 2010. The healthcare provider is registered in the NPI registry with number 1497041883 assigned on June 2011. The practitioner's primary taxonomy code is 207RS0012X with license number A123119 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1497041883
Provider Name
DR. JOHN SUNGWON LEE MD
Other Name
SUNG WON LEE MD
Other Name Type
Former Name (1)
Gender
Male
Entity Type
Individual
Location Address
500 S VIRGIL AVE STE 202 LOS ANGELES, CA 90020
Location Phone
(213) 908-7707
Location Fax
(414) 296-8769
Mailing Address
500 S VIRGIL AVE STE 202 LOS ANGELES, CA 90020
Mailing Phone
(213) 908-7707
Mailing Fax
(414) 296-8769
Medical School Name
LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2010
Is Sole Proprietor?
No
Enumeration Date
06-23-2011
Last Update Date
08-28-2025
Code Navigator

An internist like John Lee is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Sleep Medicine

Taxonomy Code
207RS0012X
Type
Allopathic & Osteopathic Physicians
License No.
A123119
License State
CA
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

A123119 (CA)
22083B0002XAllopathic & Osteopathic Physicians

Preventive Medicine
Obesity Medicine

A123119 (CA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • AvMed Entrust Bronze 600 (2026) - HMO
  • AvMed Entrust Bronze 650 (2026) - HMO
  • AvMed Entrust Expanded Bronze Standard (2026) - HMO
  • AvMed Entrust Gold 125 (2026) - HMO
  • AvMed Entrust Gold 125 Dental+Vision (2026) - HMO
  • AvMed Entrust Gold Standard (2026) - HMO
  • AvMed Entrust Platinum 25 (2026) - HMO
  • AvMed Entrust Platinum 25 Dental+Vision (2026) - HMO
  • AvMed Entrust Platinum Standard (2026) - HMO
  • AvMed Entrust Silver 350 (2026) - HMO
  • AvMed Entrust Silver 350 Dental+Vision (2026) - HMO
  • AvMed Entrust Silver 550 (2026) - HMO
  • AvMed Entrust Silver 550 Dental+Vision (2026) - HMO
  • AvMed Entrust Silver Standard (2026) - HMO
  • BlueCare EPO Bronze - EPO
  • BlueCare EPO Gold - EPO
  • BlueCare EPO Gold Plus - EPO
  • BlueCare EPO Silver Plus - EPO
  • BlueCare EPO Simple Bronze HDHP - EPO
  • BlueCare EPO Simple Silver HDHP - EPO
  • BlueCare EPO Standardized Expanded Bronze - EPO
  • BlueCare EPO Standardized Gold - EPO
  • BlueCare EPO Standardized Silver - EPO
  • Imperial Preferred Gold - HMO
  • Imperial Preferred Silver - HMO
  • Imperial Standard Bronze - HMO
  • Imperial Standard Gold - HMO
  • Imperial Standard Silver - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

John Lee is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

John Lee is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 5698995421

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20150422001173

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $35.59 for a new patient copayment and $27.49 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 90020 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $142.39
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $35.59
  • Minimum New Patient Copayment $15.74
  • Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $109.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $27.49
  • Minimum Established Patient Copayment $5.21
  • Maximum Established Patient Copayment $38.4

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Advance Care PlanningYesN/A
Implementation of practices/processes to develop advance care planning that includes: documenting the advance care plan or living will within the medical record, educating clinicians about advance care planning motivating them to address advance care planning needs of their patients, and how these needs can translate into quality improvement, educating clinicians on approaches and barriers to talking to patients about end-of-life and palliative care needs and ways to manage its documentation, as well as informing clinicians of the healthcare policy side of advance care planning.
Implementation of medication management practice improvementsYesN/A
Manage medications to maximize efficiency, effectiveness and safety that could include one or more of the following: Reconcile and coordinate medications and provide medication management across transitions of care settings and eligible clinicians or groups; Integrate a pharmacist into the care team; and/or Conduct periodic, structured medication reviews.
Measurement and Improvement at the Practice and Panel LevelYesN/A
Measure and improve quality at the practice and panel level, such as the American Board of Orthopaedic Surgery (ABOS) Physician Scorecards, that could include one or more of the following: • Regularly review measures of quality, utilization, patient satisfaction and other measures that may be useful at the practice level and at the level of the care team or MIPS eligible clinician or group (panel); and/or • Use relevant data sources to create benchmarks and goals for performance at the practice level and panel level.
Participation in an AHRQ-listed patient safety organization.YesN/A
Participation in an AHRQ-listed patient safety organization.

Reviews for DR. JOHN SUNGWON LEE MD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1497041883, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 0 → 0 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 1 + 8 + 7 + 0 + 4 + 2 + 8 + 1 + 6 + 24 = 67

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1497041883.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Internal Medicine (Sleep Medicine)
500 S VIRGIL AVE STE 202
LOS ANGELES, CA 90020

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497041883, enumerated as an "individual" on June 23, 2011.

The provider is located at 500 S VIRGIL AVE STE 202 LOS ANGELES, CA 90020 and the phone number is (213) 908-7707.

Internal Medicine with taxonomy code 207RS0012X and a focus in Sleep Medicine.

The provider might be accepting Accepts: AvMed, Blue Cross and Blue Shield of Kansas, Inc.. Please consult your insurance carrier or call the provider to verify.