Quick answers
- Which hospitals does Sepehr Mesdaghinia work at?
- Medicare's official clinician data lists Sepehr Mesdaghinia at 2 hospitals: Inova Fair Oaks Hospital and Winchester Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sepehr Mesdaghinia see patients?
- Medicare's clinician data lists 1 practice location in Sterling, VA. Call before your visit to confirm the address.
- What is Sepehr Mesdaghinia's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Sepehr Mesdaghinia accept Medicare assignment?
- Yes. Medicare's clinician data says Sepehr Mesdaghinia 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.
- What is the phone number for Sepehr Mesdaghinia?
- (703) 988-4142, as listed in official Medicare / NPI Registry data.
- What is Sepehr Mesdaghinia's NPI number?
- 1699069898. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sepehr Mesdaghinia works
Medicare's Facility Affiliation Data lists Sepehr Mesdaghinia at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · CCN 490101
- Winchester Medical CenterWinchester, VA · Acute Care Hospital · CCN 490005
Practice locations
Addresses where Sepehr Mesdaghinia is enrolled with Medicare (CMS data updated 2026-10-02).
- 46440 Benedict Dr, Suite 206Sterling, VA 20164 (703) 988‑4142
Specialties
- Rheumatologyprimary
Other rheumatologists in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699069898 |
| 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