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Internal Medicine

Daniyal Siddiqi, MD

Works at hospitals in Germantown, MD · Alexandria, VA · Maryland, Virginia

Summary

Dr. Daniyal Siddiqi, MD is an internal medicine doctor at 14906 Richmond Hwy, Woodbridge, VA 22191. Phone: (703) 491-6167. Accepts Medicare assignment. In 2024, Daniyal Siddiqi had 152 Original Medicare patients and 629 services. NPI 1114554896. 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: 14906 Richmond Hwy, Woodbridge, VA 22191 · Directions (5 more locations)
  • Phone: (703) 491‑6167
  • Medicare: Accepts Medicare assignment
  • Hospitals: Holy Cross Germantown Hospital, Inova Alexandria Hospital
  • Group practice: Galen Inpatient Physicians PC (+2 more)
  • Medical school: graduated 2019 (7 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Daniyal Siddiqi, 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 Daniyal Siddiqi accept Medicare assignment?
Yes. Medicare's clinician data says Daniyal Siddiqi 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 Daniyal Siddiqi see?
In 2024, CMS data shows 152 Original Medicare patients and 629 services for Daniyal Siddiqi. This counts Original Medicare only and measures volume, not quality.
What is Daniyal Siddiqi's NPI number?
1114554896. 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 Daniyal Siddiqi, 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 patients152
Services billed to Medicare629
Different services or procedures8
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)287 services
  2. Critical care, first 30-74 minutes (99291)136 services
  3. Hospital discharge day management, more than 30 minutes (99239)98 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)92 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)13 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%
  • Diabetes55%
  • Ischemic heart disease52%
  • Chronic kidney disease52%
  • Heart failure49%

Hospitals where Daniyal Siddiqi works

Medicare's Facility Affiliation Data lists Daniyal Siddiqi 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.

Practice locations

Addresses where Daniyal Siddiqi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Daniyal Siddiqi as a member of these groups (CMS data updated October 2, 2026).

  • Galen Inpatient Physicians PC1,077 clinicians in the group
  • Emergency Medicine Associates P.A., P.C.714 clinicians in the group
  • Synergy Medical Group LLC109 clinicians in the group

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Woodbridge

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

All internal medicine doctors in Woodbridge →

Other clinicians in Galen Inpatient Physicians PC

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

Clinician information

CredentialMD
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114554896
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