There are 6 General Surgery clinicians in Manassas, VA in Medicare’s data, ranked by the number of Medicare services they provide.
General Surgery clinicians in Manassas
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| John Williams, MD | 34 yrs | — | 309 | Accepts |
| Mark Bartolozzi, MD | 39 yrs | — | 206 | Accepts |
| Joseph Magalski, MD | 32 yrs | — | 118 | Accepts |
| John Harrison, DO | 26 yrs | — | 135 | Accepts |
| Guy Wampler, MD | — | — | 106 | Accepts |
| Kenneth Henson, MD | — | — | 48 | Accepts |
What the columns mean
- Experience — years since the clinician’s medical-school graduation (when known).
- Telehealth — the clinician reported providing telehealth (video/phone) visits.
- Medicare patients — distinct Original-Medicare beneficiaries in the latest year; a volume signal, not a quality rating.
- Assignment — “Accepts” means they accept the Medicare-approved amount as full payment (lower out-of-pocket for Medicare patients).
Compare hospital prices in Manassas → · All General Surgery cities →
Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.