BYONG-WHA ESTHER LEE MD
NPI 1881613412
Internal Medicine in Canyon Country, CA

Q: What is Byong-wha Lee's NPI number?

The NPI number for Byong-wha Lee is 1881613412. It was assigned to this individual provider in the NPPES registry on July 18, 2006. The provider is also known as Esther Lee MD.

Q: What is Byong-wha Lee's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Byong-wha Lee was last updated on July 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.

Active since July 18, 2006PECOS EnrolledAccepts Medicare Assignment

14550 SOLEDAD CANYON RD, CANYON COUNTRY, CA 91387(661) 250-5244(661) 251-7308 Get Directions Write a Review

NPPES record last updated: July 2, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Byong-wha Esther Lee Md NPPES

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

BYONG-WHA ESTHER LEE MD (NPI 1881613412) is an individual internal medicine provider in Canyon Country, California, licensed in California (G68100) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (1986).

NPPES Registry Identity

NPI1881613412

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameBYONG-WHA ESTHER LEECredential: MD

Location Address14550 SOLEDAD CANYON RDCanyon Country, CA 91387-2200

Mailing AddressPo Box 9602Mission Hills, CA 91346-9602 · (818) 837-5691 · Fax (818) 792-4793

Phone(661) 250-5244

Fax(661) 251-7308

Sole ProprietorNo

Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1986

Enumeration DateJuly 18, 2006

Last NPPES UpdateJuly 2, 2020

NPPES CertifiedJuly 2, 2020

✔ NPI 1881613412 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 · G68100

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.

14550 SOLEDAD CANYON RD, Canyon Country, CA 91387

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Other Names 1

Other Name (5)Esther Lee Md

Other Identifiers 1

Medicaid00G681000CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Byong-wha Esther 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 ID547253452

PECOS Enrollment IDI20040406001491

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 Reassignments

Medicare enrollment records show Byong-wha Lee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Facey Medical Foundation

0.1 mi

Urgent Care

14550 SOLEDAD CANYON RD
Santa Clarita, CA 91387

Reassigned Medicare billing, California enrollment
684 clinicians in this Medicare group

NPI 1922651561 (818) 837-5559

County Of Los Angeles Auditor Controller

8.2 mi

General Acute Care Hospital

14445 OLIVE VIEW DR
Sylmar, CA 91342

Reassigned Medicare billing, California enrollment
Medicare enrollment name: County Of Los Angeles
1,939 clinicians in this Medicare group

NPI 1134159320 (818) 364-3031

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

Areas of Expertise CMS Part B claims 13

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.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

251 services92 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

196 services91 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

34 services34 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

34 services26 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

33 services31 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

31 services31 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

28 services28 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

28 services28 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

21 services16 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

18 services18 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

18 services18 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

14 services14 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91387 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 6

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

CAROLINE M LEVAN D.O.

Family Medicine

14550 SOLEDAD CANYON RD
CANYON COUNTRY, CA 91387

Los Angeles County (661) 250-5200

ASHLEY BETH CICCARELLO FNP-BC

Nurse Practitioner (Family)

14550 SOLEDAD CANYON RD
CANYON COUNTRY, CA 91387

Los Angeles County (661) 250-5200

ERIC P KUEHNE M.D.

Family Medicine (Adult Medicine)

14550 SOLEDAD CANYON RD
CANYON COUNTRY, CA 91387

Los Angeles County (661) 250-5200

PROVIDENCE FACEY MEDICAL FOUNDATION

Clinic/Center (Urgent Care)

14550 SOLEDAD CANYON RD
SANTA CLARITA, CA 91387

Los Angeles County (818) 837-5559

DR. BARBARA ANN BRUNET M.D.

Pediatrics

14550 SOLEDAD CANYON RD
SANTA CLARITA, CA 91387

Los Angeles County (661) 250-5200

TRACEY M EASTERLING N.P.

Nurse Practitioner (Adult Health)

14550 SOLEDAD CANYON RD
CANYON COUNTRY, CA 91387

Los Angeles County (661) 250-5200

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 Byong-wha Lee's NPI number?

The NPI number for Byong-wha Lee is 1881613412. It was assigned to this individual provider in the NPPES registry on July 18, 2006. The provider is also known as Esther Lee MD.

Where is Byong-wha Lee located?

Byong-wha Lee practices at 14550 Soledad Canyon Rd, Canyon Country, CA 91387. The listed phone number is (661) 250-5244.

What is Byong-wha Lee's specialty?

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

Is Byong-wha Lee enrolled in Medicare?

Yes. Byong-wha 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.

Which organizations bill Medicare for Byong-wha Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Byong-wha Lee reassigns Medicare benefits to 2 organizations: Providence Facey Medical Foundation (Santa Clarita, CA) and County Of Los Angeles Auditor Controller (Sylmar, CA). Each 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 Byong-wha 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 Byong-wha Lee was last updated on July 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.