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Hematology/Oncology

Byung Lee, DO

Sees patients in Oxnard, CA · California

Summary

Byung Lee, DO (Hematology/Oncology) is enrolled with Medicare at 1 practice location in Oxnard, CA. NPI 1780975136. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Byung Lee, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
21Years since medical school (graduated 2005)
New York College Of Osteo Medicine Of New York Institute Of TechnologyMedical school
MaleGender (as listed)
Austin J Ma MD a Professional CorporationGroup practice

Quick answers

Where does Byung Lee see patients?
Medicare's clinician data lists 1 practice location in Oxnard, CA. Call before your visit to confirm the address.
What is Byung Lee's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Byung Lee accept Medicare assignment?
Yes. Medicare's clinician data says Byung Lee accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Byung Lee offer telehealth?
Medicare's clinician data says Byung Lee offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Byung Lee?
(805) 485-7232, as listed in official Medicare / NPI Registry data.
What is Byung Lee's NPI number?
1780975136. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Byung Lee is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Byung Lee as a member of this group (CMS data updated 2026-10-02).

  • Austin J Ma MD a Professional Corporation11 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Oxnard

Clinicians with the same Medicare primary specialty in Oxnard, CA — not a recommendation.

All hematologist-oncologists in Oxnard →

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780975136
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians