Quick answers
- Which hospitals does Michael C. Flanagan work at?
- Medicare's official clinician data lists Michael C. Flanagan at 5 hospitals: Inova Alexandria Hospital, Inova Fair Oaks Hospital, Inova Fairfax Hospital, Inova Loudoun Hospital and Mary Washington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael C. Flanagan see patients?
- Medicare's clinician data lists 9 practice locations, including Fredericksburg, VA, Gainesville, VA and Ashburn, VA. Call before your visit to confirm the address.
- What is Michael C. Flanagan's specialty?
- Medicare lists Advanced Heart Failure and Transplant Cardiology as the primary specialty, and also Internal Medicine.
- Does Michael C. Flanagan accept Medicare assignment?
- Yes. Medicare's clinician data says Michael C. Flanagan 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 Michael C. Flanagan offer telehealth?
- Medicare's clinician data says Michael C. Flanagan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael C. Flanagan?
- (540) 741-5502, as listed in official Medicare / NPI Registry data.
- What is Michael C. Flanagan's NPI number?
- 1275516320. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael C. Flanagan works
Medicare's Facility Affiliation Data lists Michael C. Flanagan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Alexandria HospitalAlexandria, VA · Acute Care Hospital · CCN 490040
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · CCN 490101
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · CCN 490043
- Mary Washington HospitalFredericksburg, VA · Acute Care Hospital · CCN 490022
Practice locations
Addresses where Michael C. Flanagan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1201 B Sam Perry Blvd, Suite 280Fredericksburg, VA 22401 (540) 741‑5502
- 13575 Heathcote Blvd, Suite 210Gainesville, VA 20155
- 21785 Filigree CtAshburn, VA 20147
- 224 A Cornwall St NW, Suite 3.024Leesburg, VA 20176 (703) 771‑2837
- 224 B Cornwall NwstLeesburg, VA 20176
Group practices
Medicare enrollment lists Michael C. Flanagan as a member of these groups (CMS data updated 2026-10-02).
- Inova Health Care Services1,817 clinicians in the group
- Mary Washington Hospital Inc53 clinicians in the group
Specialties
Find other Advanced Heart Failure and Transplant Cardiology doctors in Virginia →
Other heart failure and transplant cardiologists in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
- Manjula G. Ananthram, MD
- Pengyang Li, MD
- Joanna M. Joly, MD
- Raymond L. Benza, MD
- Robert T. Cole, MD
- Melissa C. Smallfield, MD
- Amin A. Yehya, MD
- Mohammad Abuannadi, MD
All heart failure and transplant cardiologists in Virginia →
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275516320 |
| 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