Quick answers
- Which hospitals does John A. Dooley work at?
- Medicare's official clinician data lists John A. Dooley at 3 hospitals: MedStar Georgetown University Hospital, Sibley Memorial Hospital and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Dooley see patients?
- Medicare's clinician data lists 1 practice location in Washington, DC. Call before your visit to confirm the address.
- What is John A. Dooley's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John A. Dooley accept Medicare assignment?
- Medicare's clinician data says John A. Dooley may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does John A. Dooley offer telehealth?
- Medicare's clinician data says John A. Dooley offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John A. Dooley?
- (202) 362-4467, as listed in official Medicare / NPI Registry data.
- What is John A. Dooley's NPI number?
- 1467431155. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John A. Dooley works
Medicare's Facility Affiliation Data lists John A. Dooley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Georgetown University HospitalWashington, DC · Acute Care Hospital · CCN 090004
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · CCN 090005
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where John A. Dooley is enrolled with Medicare (CMS data updated 2026-10-02).
- 3301 New Mexico Ave NW, Suite 348Washington, DC 20016 (202) 362‑4467
Group practices
Medicare enrollment lists John A. Dooley as a member of this group (CMS data updated 2026-10-02).
- Foxhall Internists, PC8 clinicians in the group
Specialties
- Internal Medicineprimary
Find other Internal Medicine doctors in District of Columbia →
Other internal medicine doctors in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1467431155 |
| 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