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Rheumatology

Joo Hyung Lee, MD

Works at hospitals in Newport Beach, CA · Long Beach, CA · Orange, CA · California

Summary

Dr. Joo Hyung Lee, MD is a rheumatologist at 1010 W La Veta Ave, Suite 360, Orange, CA 92868. Phone: (714) 245-0492. Accepts Medicare assignment. In 2024, Joo Hyung Lee had 917 Original Medicare patients and 173,395 services. NPI 1306891346. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Joo Hyung Lee, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Joo Hyung Lee accept Medicare assignment?
Yes. Medicare's clinician data says Joo Hyung Lee accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Joo Hyung Lee see?
In 2024, CMS data shows 917 Original Medicare patients and 173,395 services for Joo Hyung Lee. This counts Original Medicare only and measures volume, not quality.
What is Joo Hyung Lee's NPI number?
1306891346. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Joo Hyung Lee, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients917
Services billed to Medicare173,395
Different services or procedures96
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)98,000 services
  2. Injection, denosumab, 1 mg (J0897)16,080 services
  3. Injection, romosozumab-aqqg, 1 mg (J3111)14,072 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)3,160 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)2,242 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Arthritis75%
  • High blood pressure74%
  • Osteoporosis44%
  • Diabetes28%
  • Ischemic heart disease28%

Hospitals where Joo Hyung Lee works

Medicare's Facility Affiliation Data lists Joo Hyung Lee at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Joo Hyung Lee is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in Orange

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

All rheumatologists in Orange →

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1306891346
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians