Quick answers
- Does Faisal A. Siddiqui accept Medicare assignment?
- Yes. Medicare's clinician data says Faisal A. 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 Faisal A. Siddiqui see?
- In 2024, CMS data shows 174 Original Medicare patients and 359 services for Faisal A. Siddiqui. This counts Original Medicare only and measures volume, not quality.
- What is Faisal A. Siddiqui's NPI number?
- 1265483820. 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 Faisal A. 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 patients | 174 |
|---|---|
| Services billed to Medicare | 359 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)95 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)74 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)41 services
- X-ray of lower and sacral spine, minimum of 4 views (72110)37 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 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%
- Diabetes30%
- Ischemic heart disease28%
- Anxiety28%
Hospitals where Faisal A. Siddiqui works
Medicare's Facility Affiliation Data lists Faisal A. 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 Alexandria HospitalAlexandria, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490040
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490063
- Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490043
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490050
Practice locations
Addresses where Faisal A. Siddiqui is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 17; the Medicare profile lists all.
- 13575 Heathcote BlvdGainesville, VA 20155 (571) 472‑2900
- 13575 Heathcote Blvd, Suite 200Gainesville, VA 20155 (571) 472‑2900
- 224 A Cornwall St NWLeesburg, VA 20176 (703) 771‑2837
- 224 A Cornwall St NW, Suite 3.024Leesburg, VA 20176 (703) 771‑2837
- 224 B Cornwall NwstLeesburg, VA 20176
Group practices
Medicare enrollment lists Faisal A. Siddiqui as a member of this group (CMS data updated October 2, 2026).
- Inova Health Care Services1,817 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Gainesville
Clinicians with the same Medicare primary specialty in Gainesville, VA — not a recommendation.
Other clinicians in Inova Health Care Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265483820 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians