Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Orthopedic Surgery

James S. Melvin Iii, MD

Works at hospitals in Washington, DC · Arlington, VA · District of Columbia, Virginia

Summary

Dr. James S. Melvin Iii, MD is an orthopedic surgeon at 5454 Wisconsin Ave, Suite 1000, Chevy Chase, MD 20815. Phone: (301) 882-2000. Accepts Medicare assignment. In 2024, James S. Melvin Iii had 993 Original Medicare patients and 6,122 services. NPI 1124188776. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about James S. Melvin Iii, 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 James S. Melvin Iii accept Medicare assignment?
Yes. Medicare's clinician data says James S. Melvin Iii 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 James S. Melvin Iii see?
In 2024, CMS data shows 993 Original Medicare patients and 6,122 services for James S. Melvin Iii. This counts Original Medicare only and measures volume, not quality.
What is James S. Melvin Iii's NPI number?
1124188776. 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 James S. Melvin Iii, 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 patients993
Services billed to Medicare6,122
Different services or procedures58
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)1,555 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,221 services
  3. Aspiration and/or injection of fluid from large joint (20610)751 services
  4. X-ray of knee, 3 views (73562)664 services
  5. X-ray of hip, 2-3 views (73502)465 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%
  • Arthritis75%
  • High blood pressure60%
  • Osteoporosis24%
  • Ischemic heart disease19%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%

Hospitals where James S. Melvin Iii works

Medicare's Facility Affiliation Data lists James S. Melvin Iii 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.

Practice locations

Addresses where James S. Melvin Iii is enrolled with Medicare (CMS data updated October 2, 2026).

  • 5454 Wisconsin Ave, Suite 1000Chevy Chase, MD 20815 (301) 882‑2000
  • 6041 Powder Mill RdCalverton, MD 20705
  • 6041 Powder Mill Rd, Suite 205Calverton, MD 20705
  • 6410 Rockledge DrBethesda, MD 20817
  • 6410 Rockledge Dr, Suite 600Bethesda, MD 20817

Group practices

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

  • Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
  • National Rehabilitation Hospital, Inc12 clinicians in the group
  • District Orthopaedics, PC10 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Maryland →

Other orthopedic surgeons in Chevy Chase

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

All orthopedic surgeons in Chevy Chase →

Other clinicians in Suburban/Nrh Medical Rehabilitation Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124188776
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