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Internal Medicine

Tahir Ahmad, MD

Sees patients in Aldie, VA · Virginia

Summary

Dr. Tahir Ahmad, MD is an internal medicine doctor at 24430 Millstream Dr, Aldie, VA 20105. Phone: (703) 957-2000. Accepts Medicare assignment. In 2024, Tahir Ahmad had 587 Original Medicare patients and 7,385 services. NPI 1386638732. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 24430 Millstream Dr, Aldie, VA 20105 · Directions
  • Phone: (703) 957‑2000
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Tahir Ahmad, 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 Tahir Ahmad accept Medicare assignment?
Yes. Medicare's clinician data says Tahir Ahmad 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 Tahir Ahmad see?
In 2024, CMS data shows 587 Original Medicare patients and 7,385 services for Tahir Ahmad. This counts Original Medicare only and measures volume, not quality.
What is Tahir Ahmad's NPI number?
1386638732. 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 Tahir Ahmad, 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 patients587
Services billed to Medicare7,385
Different services or procedures6
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)5,354 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)733 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)622 services
  4. Advance care planning, first 30 minutes (99497)569 services
  5. Hospital discharge day management, more than 30 minutes (99239)56 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%
  • Arthritis75%
  • Ischemic heart disease54%
  • Chronic kidney disease48%
  • Atrial fibrillation48%

Practice locations

Addresses where Tahir Ahmad is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Virginia

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

All internal medicine doctors in Virginia →

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386638732
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