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Medical Oncology

Richard T. Lee, MD

Sees patients in Newport Beach, CA · California

Summary

Dr. Richard T. Lee, MD is an oncologist at 1601 Avocado Ave, Newport Beach, CA 92660. Phone: (949) 763-2204. Accepts Medicare assignment. In 2024, Richard T. Lee had 69 Original Medicare patients and 133 services. NPI 1255503850. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 1601 Avocado Ave, Newport Beach, CA 92660 · Directions
  • Phone: (949) 763‑2204
  • Medicare: Accepts Medicare assignment
  • Group practice: City of Hope Medical Foundation
  • Medical school: George Washington University School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Richard T. 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 Richard T. Lee accept Medicare assignment?
Yes. Medicare's clinician data says Richard T. 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 Richard T. Lee see?
In 2024, CMS data shows 69 Original Medicare patients and 133 services for Richard T. Lee. This counts Original Medicare only and measures volume, not quality.
What is Richard T. Lee's NPI number?
1255503850. 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 Richard T. 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 patients69
Services billed to Medicare133
Different services or procedures10
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)25 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)22 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)17 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)11 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 cholesterol68%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)68%
  • High blood pressure65%
  • Arthritis41%
  • Anxiety38%
  • Osteoporosis33%

Practice locations

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

Group practices

Medicare enrollment lists Richard T. Lee as a member of this group (CMS data updated October 2, 2026).

  • City of Hope Medical Foundation982 clinicians in the group

Specialties

Find other Medical Oncology doctors in California →

Other oncologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All oncologists in California →

Other clinicians in City of Hope Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255503850
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians