Margaret M. Stiles, MD

Medicare activity in 2024

Official CMS public-use data for Margaret M. Stiles, 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.

Most frequent services

1. Blood glucose (sugar) test performed by hand-held instrument (82962)89 services
2. Hemoglobin a1c level (83036)48 services
3. Urinalysis, manual test (81002)39 services
4. Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)28 services
5. X-ray of chest, 2 views (71046)15 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 blood pressure75%
• High cholesterol72%
• Diabetes49%
• Arthritis33%
• Chronic kidney disease20%
• Ischemic heart disease19%

Hospitals where Margaret M. Stiles works

Medicare's Facility Affiliation Data lists Margaret M. Stiles 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.

• Riverside Shore Memorial HospitalOnancock, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490037

Practice locations

Addresses where Margaret M. Stiles is enrolled with Medicare (CMS data updated October 2, 2026).

• 20306 Badger LnOnley, VA 23418 (757) 787‑7374
• 25228 Lankford HwyOnley, VA 23418 (757) 787‑1465
• 3235 Academy Ave, Suite 101Portsmouth, VA 23703 (757) 484‑7386
• 8644 Sudley Rd, Suite 220Manassas, VA 20110 (571) 366‑8845

Group practices

Medicare enrollment lists Margaret M. Stiles as a member of these groups (CMS data updated October 2, 2026).

• Privia Medical Group, LLC1,533 clinicians in the group
• Eastern Shore Rural Health System Incorporated38 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Virginia →

Other family doctors in Virginia

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

• Robert H. Propst, MD
• Albert J. Halls, MD
• William Mollenkopf, MD
• Santosh Z. Mathews, MD
• Larry Mitchell
• William M. Tomiak, MD
• Khiem Q. Tran, MD
• Biswa R. Bhattacharyya, MD

All family doctors in Virginia →

Other clinicians in Privia Medical Group, LLC

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

• Kimberly Galgano, MD
• Michelle Guarnieri
• Katie Y. Zhang, MD
• Lori A. Foster, NP
• Suzanne Rogacz, MD
• Taylor Dobyns, MD

Clinician information

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