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Diagnostic Radiology

Rhonda R. Stewart, MD

Sees patients in Silver Spring, MD · Shiloh, IL · Great Falls, MT … · Maryland, Illinois, Montana

Summary

Dr. Rhonda R. Stewart, MD is a radiologist at 10750 Columbia Pike, Suite 700, Silver Spring, MD 20901. Phone: (301) 681-6772. Accepts Medicare assignment. In 2024, Rhonda R. Stewart had 1,515 Original Medicare patients and 3,185 services. NPI 1346262532. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 10750 Columbia Pike, Suite 700, Silver Spring, MD 20901 · Directions (12 more locations)
  • Phone: (301) 681‑6772
  • Medicare: Accepts Medicare assignment
  • Group practice: Regional Womens Health Group LLC (+5 more)
  • Medical school: Pennsylvania State University College Of Medicine · graduated 1984 (42 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rhonda R. Stewart, 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 Rhonda R. Stewart accept Medicare assignment?
Yes. Medicare's clinician data says Rhonda R. Stewart 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 Rhonda R. Stewart see?
In 2024, CMS data shows 1,515 Original Medicare patients and 3,185 services for Rhonda R. Stewart. This counts Original Medicare only and measures volume, not quality.
What is Rhonda R. Stewart's NPI number?
1346262532. 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 Rhonda R. Stewart, 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 patients1,515
Services billed to Medicare3,185
Different services or procedures9
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Screening 3d breast mammography (77063)1,480 services
  2. Screening mammography (77067)1,477 services
  3. Complete ultrasound scan of 1 breast (76641)174 services
  4. 3d radiographic procedure with computerized image postprocessing (76377)31 services
  5. Limited ultrasound scan of 1 breast (76642)11 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%
  • Arthritis45%
  • Diabetes35%
  • Osteoporosis21%
  • Ischemic heart disease18%

Practice locations

Addresses where Rhonda R. Stewart is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.

Group practices

Medicare enrollment lists Rhonda R. Stewart as a member of these groups (CMS data updated October 2, 2026).

  • Regional Womens Health Group LLC354 clinicians in the group
  • Lenox Hill Radiology and Medical Imaging Associates PC244 clinicians in the group
  • Maryland Physicians Edge LLC97 clinicians in the group
  • Valley Perinatal Services LLC65 clinicians in the group
  • Heartland Women's Healthcare Ltd30 clinicians in the group
  • Simmonds Martin and Helmbrecht LLC23 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Maryland →

Other radiologists in Silver Spring

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

All radiologists in Silver Spring →

Other clinicians in Regional Womens Health Group LLC

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

Clinician information

CredentialMD
Medical schoolPennsylvania State University College Of Medicine
Graduation year1984 (42 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346262532
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