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Internal Medicine

Richard S. Han, MD

Sees patients in Los Angeles, CA · Buena Park, CA · California

Summary

Dr. Richard S. Han, MD is an internal medicine doctor at 520 S Virgil Ave, Suite 507, Los Angeles, CA 90020. Phone: (213) 480-7770. Accepts Medicare assignment. In 2024, Richard S. Han had 93 Original Medicare patients and 902 services. NPI 1821061466. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 520 S Virgil Ave, Suite 507, Los Angeles, CA 90020 · Directions (2 more locations)
  • Phone: (213) 480‑7770
  • Medicare: Accepts Medicare assignment
  • Group practice: SMG Medical Practice Group PC (+1 more)
  • Medical school: graduated 1992 (34 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard S. Han, 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 S. Han accept Medicare assignment?
Yes. Medicare's clinician data says Richard S. Han 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 S. Han see?
In 2024, CMS data shows 93 Original Medicare patients and 902 services for Richard S. Han. This counts Original Medicare only and measures volume, not quality.
What is Richard S. Han's NPI number?
1821061466. 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 S. Han, 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 patients93
Services billed to Medicare902
Different services or procedures34
Participating Medicare providerYes
Average age of these patients76

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)181 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)156 services
  3. Urine microalbumin (protein) analysis (82044)80 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)50 services
  5. Hemoglobin a1c level (83036)33 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 blood pressure75%
  • High cholesterol75%
  • Diabetes65%
  • Heart failure44%
  • Arthritis39%
  • Depression34%

Practice locations

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

Group practices

Medicare enrollment lists Richard S. Han as a member of these groups (CMS data updated October 2, 2026).

  • SMG Medical Practice Group PC6 clinicians in the group
  • Friends Medical Group Inc3 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Angeles

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

All internal medicine doctors in Los Angeles →

Other clinicians in SMG Medical Practice Group PC

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

Clinician information

CredentialMD
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821061466
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