Quick answers
- Which hospitals does Colleen J. Caldwell work at?
- Medicare's official clinician data lists Colleen J. Caldwell at 3 hospitals: George Washington University Hospital, Inova Fairfax Hospital and Inova Loudoun Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Colleen J. Caldwell see patients?
- Medicare's clinician data lists 7 practice locations, including Ashburn, VA, Leesburg, VA and Washington, DC. Call before your visit to confirm the address.
- What is Colleen J. Caldwell's specialty?
- Medicare lists Rheumatology as the primary specialty, and also Internal Medicine.
- Does Colleen J. Caldwell accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen J. Caldwell 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 Colleen J. Caldwell offer telehealth?
- Medicare's clinician data says Colleen J. Caldwell offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Colleen J. Caldwell?
- (703) 771-2837, as listed in official Medicare / NPI Registry data.
- What is Colleen J. Caldwell's NPI number?
- 1437682275. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Colleen J. Caldwell works
Medicare's Facility Affiliation Data lists Colleen J. Caldwell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- George Washington University HospitalWashington, DC · Acute Care Hospital · CCN 090001
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · CCN 490043
Practice locations
Addresses where Colleen J. Caldwell is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 21785 Filigree CtAshburn, VA 20147
- 224 A Cornwall St NW, Suite 3.024Leesburg, VA 20176 (703) 771‑2837
- 224 B Cornwall NwstLeesburg, VA 20176
- 224 Cornwall St NWLeesburg, VA 20176 (703) 771‑2894
- 2300 M St NWWashington, DC 20037 (202) 677‑6990
Group practices
Medicare enrollment lists Colleen J. Caldwell as a member of these groups (CMS data updated 2026-10-02).
- Inova Health Care Services1,817 clinicians in the group
- Medical Faculty Associates, Inc672 clinicians in the group
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wright State University Boonshoft School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437682275 |
| 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