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Critical Care (Intensivists)

Amna O. Sheikh, MD

Works at hospitals in Front Royal, VA · Winchester, VA · Virginia

Summary

Dr. Amna O. Sheikh, MD is a critical care doctor at 1840 Amherst St, Winchester, VA 22601. Phone: (540) 536-8700. Accepts Medicare assignment. In 2024, Amna O. Sheikh had 65 Original Medicare patients and 131 services. NPI 1871814046. 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.

  • Specialty: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 1840 Amherst St, Winchester, VA 22601 · Directions
  • Phone: (540) 536‑8700
  • Medicare: Accepts Medicare assignment
  • Hospitals: Warren Memorial Hospital, Winchester Medical Center
  • Group practice: Winchester Medical Center
  • Medical school: graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Amna O. Sheikh, 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 Amna O. Sheikh accept Medicare assignment?
Yes. Medicare's clinician data says Amna O. Sheikh 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 Amna O. Sheikh see?
In 2024, CMS data shows 65 Original Medicare patients and 131 services for Amna O. Sheikh. This counts Original Medicare only and measures volume, not quality.
What is Amna O. Sheikh's NPI number?
1871814046. 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 Amna O. Sheikh, 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 patients65
Services billed to Medicare131
Different services or procedures11
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Critical care, first 30-74 minutes (99291)84 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)30 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 cholesterol75%
  • Ischemic heart disease66%
  • Chronic kidney disease60%
  • Heart failure60%
  • Diabetes55%

Hospitals where Amna O. Sheikh works

Medicare's Facility Affiliation Data lists Amna O. Sheikh 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.

  • Warren Memorial HospitalFront Royal, VA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 490033
  • Winchester Medical CenterWinchester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490005

Practice locations

Addresses where Amna O. Sheikh is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Amna O. Sheikh as a member of this group (CMS data updated October 2, 2026).

  • Winchester Medical Center317 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Virginia →

Other critical care doctors in Winchester

Clinicians with the same Medicare primary specialty in Winchester, VA — not a recommendation.

All critical care doctors in Winchester →

Other clinicians in Winchester Medical Center

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871814046
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