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Internal Medicine

Shahid Siddiqui, MD

Works at hospitals in Leesburg, VA · Virginia

Summary

Dr. Shahid Siddiqui, MD is an internal medicine doctor at 44055 Riverside Pkwy, Suite 216, Leesburg, VA 20176. Phone: (703) 858-1395. Accepts Medicare assignment. In 2024, Shahid Siddiqui had 310 Original Medicare patients and 3,139 services. NPI 1386662757. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 44055 Riverside Pkwy, Suite 216, Leesburg, VA 20176 · Directions
  • Phone: (703) 858‑1395
  • Medicare: Accepts Medicare assignment
  • Hospital: Inova Loudoun Hospital
  • Group practice: Loudoun Medical Group, PC
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Shahid Siddiqui, 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 Shahid Siddiqui accept Medicare assignment?
Yes. Medicare's clinician data says Shahid Siddiqui 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 Shahid Siddiqui see?
In 2024, CMS data shows 310 Original Medicare patients and 3,139 services for Shahid Siddiqui. This counts Original Medicare only and measures volume, not quality.
What is Shahid Siddiqui's NPI number?
1386662757. 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 Shahid Siddiqui, 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 patients310
Services billed to Medicare3,139
Different services or procedures56
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)455 services
  2. Insertion of needle into vein for collection of blood sample (36415)267 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)203 services
  4. Blood test, comprehensive group of blood chemicals (80053)193 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)186 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%
  • Arthritis49%
  • Diabetes43%
  • Ischemic heart disease38%
  • Anxiety17%

Hospitals where Shahid Siddiqui works

Medicare's Facility Affiliation Data lists Shahid Siddiqui 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.

  • Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490043

Practice locations

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

Group practices

Medicare enrollment lists Shahid Siddiqui as a member of this group (CMS data updated October 2, 2026).

  • Loudoun Medical Group, PC271 clinicians in the group

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Leesburg

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

All internal medicine doctors in Leesburg →

Other clinicians in Loudoun Medical Group, PC

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

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1386662757
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