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Emergency Medicine

Robert W. Desverreaux, MD

Sees patients in Rockville, MD · Maryland

Summary

Dr. Robert W. Desverreaux, MD is an emergency medicine doctor at 750 Rockville Pike, Rockville, MD 20852. Phone: (301) 424-0658. Accepts Medicare assignment. In 2024, Robert W. Desverreaux had 117 Original Medicare patients and 174 services. NPI 1851391296. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 750 Rockville Pike, Rockville, MD 20852 · Directions
  • Phone: (301) 424‑0658
  • Medicare: Accepts Medicare assignment
  • Group practice: CRH MD Management LLC
  • Medical school: Georgetown University School Of Medicine · graduated 1993 (33 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Robert W. Desverreaux, 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 Robert W. Desverreaux accept Medicare assignment?
Yes. Medicare's clinician data says Robert W. Desverreaux 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 Robert W. Desverreaux see?
In 2024, CMS data shows 117 Original Medicare patients and 174 services for Robert W. Desverreaux. This counts Original Medicare only and measures volume, not quality.
What is Robert W. Desverreaux's NPI number?
1851391296. 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 Robert W. Desverreaux, 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 patients117
Services billed to Medicare174
Different services or procedures23
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)42 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)28 services
  3. Emergency department visit with moderate level of medical decision making (99284)26 services
  4. Emergency department visit with low level of medical decision making (99283)16 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 pressure66%
  • Arthritis39%
  • Ischemic heart disease28%
  • Diabetes25%
  • Anxiety24%

Practice locations

Addresses where Robert W. Desverreaux is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Robert W. Desverreaux as a member of this group (CMS data updated October 2, 2026).

  • CRH MD Management LLC71 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Maryland →

Other emergency medicine doctors in Rockville

Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.

All emergency medicine doctors in Rockville →

Other clinicians in CRH MD Management LLC

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851391296
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