Quick answers
- Which hospitals does David M. Demaria work at?
- Medicare's official clinician data lists David M. Demaria at 5 hospitals: Fauquier Hospital, Inova Fairfax Hospital, Inova Loudoun Hospital, UVA Health Haymarket Medical Center and UVA Health Prince William Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David M. Demaria see patients?
- Medicare's clinician data lists 6 practice locations, including Gainesville, VA, Ashburn, VA and Falls Church, VA. Call before your visit to confirm the address.
- What is David M. Demaria's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does David M. Demaria accept Medicare assignment?
- Yes. Medicare's clinician data says David M. Demaria accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does David M. Demaria offer telehealth?
- Medicare's clinician data says David M. Demaria offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David M. Demaria?
- (571) 472-2900, as listed in official Medicare / NPI Registry data.
- What is David M. Demaria's NPI number?
- 1043553852. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David M. Demaria works
Medicare's Facility Affiliation Data lists David M. Demaria at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fauquier HospitalWarrenton, VA · Acute Care Hospital · CCN 490023
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · CCN 490043
- UVA Health Haymarket Medical CenterHaymarket, VA · Acute Care Hospital · CCN 490144
- UVA Health Prince William Medical CenterManassas, VA · Acute Care Hospital · CCN 490045
Practice locations
Addresses where David M. Demaria is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 13575 Heathcote Blvd, Suite 200Gainesville, VA 20155 (571) 472‑2900
- 21785 Filigree Ct, Suite 100Ashburn, VA 20147 (703) 204‑9301
- 3300 Gallows RdFalls Church, VA 22042
- 44045 Rivderside PkwyLeesburg, VA 20176 (703) 771‑2960
- 8081 Innovation Park DrFairfax, VA 22031
Group practices
Medicare enrollment lists David M. Demaria as a member of these groups (CMS data updated 2026-10-02).
- Inova Health Care Services1,817 clinicians in the group
- UVA Community Health Medical Group LLC340 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Virginia →
Other cardiologists in Gainesville
Clinicians with the same Medicare primary specialty in Gainesville, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043553852 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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