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Internal Medicine

Richard Y. Kim, MD

Works at hospitals in Leesburg, VA · Virginia

Summary

Dr. Richard Y. Kim, MD is an internal medicine doctor at 19450 Deerfield Ave, Suite 300, Leesburg, VA 20176. Phone: (703) 737-6001. Accepts Medicare assignment. In 2024, Richard Y. Kim had 8,797 Original Medicare patients and 73,121 services. NPI 1902890981. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 19450 Deerfield Ave, Suite 300, Leesburg, VA 20176 · Directions (1 more location)
  • Phone: (703) 737‑6001
  • Medicare: Accepts Medicare assignment
  • Hospital: Inova Loudoun Hospital
  • Group practice: Loudoun Medical Group, PC
  • Medical school: graduated 1994 (32 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 Y. Kim, 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 Y. Kim accept Medicare assignment?
Yes. Medicare's clinician data says Richard Y. Kim 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 Y. Kim see?
In 2024, CMS data shows 8,797 Original Medicare patients and 73,121 services for Richard Y. Kim. This counts Original Medicare only and measures volume, not quality.
What is Richard Y. Kim's NPI number?
1902890981. 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 Y. Kim, 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 patients8,797
Services billed to Medicare73,121
Different services or procedures87
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Blood test, comprehensive group of blood chemicals (80053)11,955 services
  2. Insertion of needle into vein for collection of blood sample (36415)10,201 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)9,321 services
  4. Blood test, lipids (cholesterol and triglycerides) (80061)8,135 services
  5. Hemoglobin a1c level (83036)5,840 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%
  • High blood pressure70%
  • Arthritis44%
  • Diabetes25%
  • Ischemic heart disease21%
  • Anxiety19%

Hospitals where Richard Y. Kim works

Medicare's Facility Affiliation Data lists Richard Y. Kim 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.

  • Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490043

Practice locations

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

Group practices

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

  • Loudoun Medical Group, PC271 clinicians in the group

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Leesburg

Clinicians with the same Medicare primary specialty in Leesburg, VA — not a recommendation.

All internal medicine doctors in Leesburg →

Other clinicians in Loudoun Medical Group, PC

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

Clinician information

CredentialMD
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1902890981
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