Quick answers
- Which hospitals does John A. Harrison work at?
- Medicare's official clinician data lists John A. Harrison at 2 hospitals: 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 John A. Harrison see patients?
- Medicare's clinician data lists 1 practice location in Haymarket, VA. Call before your visit to confirm the address.
- What is John A. Harrison's specialty?
- Medicare lists General Surgery as the primary specialty, and also Colorectal Surgery (Proctology) and Surgical Oncology.
- Does John A. Harrison accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Harrison 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 John A. Harrison?
- (571) 261-3270, as listed in official Medicare / NPI Registry data.
- What is John A. Harrison's NPI number?
- 1043481336. 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. Harrison works
Medicare's Facility Affiliation Data lists John A. Harrison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- 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 John A. Harrison is enrolled with Medicare (CMS data updated 2026-10-02).
- 15195 Heathcote Blvd, Suite 338Haymarket, VA 20169 (571) 261‑3270
Group practices
Medicare enrollment lists John A. Harrison as a member of this group (CMS data updated 2026-10-02).
- UVA Community Health Medical Group LLC340 clinicians in the group
Specialties
Other general surgeons in Haymarket
Clinicians with the same Medicare primary specialty in Haymarket, VA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043481336 |
| 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