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Pathology

Courtney Chapman, MD

Sees patients in Mc Lean, VA · Virginia

Summary

Dr. Courtney Chapman, MD is a pathologist at 6736 Curran St, Suite 2, Mc Lean, VA 22101. Phone: (703) 372-0787. Accepts Medicare assignment. In 2024, Courtney Chapman had 692 Original Medicare patients and 3,474 services. NPI 1003296856. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pathologist (Medicare lists Pathology)
  • Address: 6736 Curran St, Suite 2, Mc Lean, VA 22101 · Directions
  • Phone: (703) 372‑0787
  • Medicare: Accepts Medicare assignment
  • Group practice: Loudoun Medical Group, PC
  • Medical school: Eastern Virginia Medical School · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Courtney Chapman, 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 Courtney Chapman accept Medicare assignment?
Yes. Medicare's clinician data says Courtney Chapman 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 Courtney Chapman see?
In 2024, CMS data shows 692 Original Medicare patients and 3,474 services for Courtney Chapman. This counts Original Medicare only and measures volume, not quality.
What is Courtney Chapman's NPI number?
1003296856. 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 Courtney Chapman, 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 patients692
Services billed to Medicare3,474
Different services or procedures21
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)1,047 services
  2. Special stained specimen slides to examine tissue including interpretation and report (88313)365 services
  3. Special stained specimen slides to examine tissue, initial procedure (88342)350 services
  4. Special stained specimen slides to examine tissue, each additional procedure (88341)281 services
  5. Special stained specimen slides to identify organisms including interpretation and report (88312)225 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 pressure69%
  • Arthritis45%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)27%
  • Diabetes24%
  • Ischemic heart disease20%

Practice locations

Addresses where Courtney Chapman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Courtney Chapman as a member of this group (CMS data updated October 2, 2026).

  • Loudoun Medical Group, PC271 clinicians in the group

Specialties

Find other Pathology doctors in Virginia →

Other pathologists in Virginia

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

All pathologists in Virginia →

Other clinicians in Loudoun Medical Group, PC

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

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003296856
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