Quick answers
- Where does Guy A. Mazzone see patients?
- Medicare's clinician data lists 4 practice locations, including Hagerstown, MD, Cranberry Township, PA and Cranberry Twp, PA. Call before your visit to confirm the address.
- What is Guy A. Mazzone's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Guy A. Mazzone accept Medicare assignment?
- Yes. Medicare's clinician data says Guy A. Mazzone 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 Guy A. Mazzone?
- (301) 582-1150, as listed in official Medicare / NPI Registry data.
- What is Guy A. Mazzone's NPI number?
- 1821050519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Guy A. Mazzone is enrolled with Medicare (CMS data updated 2026-10-02).
- 11110 Medical Campus RdHagerstown, MD 21742
- 2000 Westinghouse DrCranberry Township, PA 16066
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 3 Byrkit DrWilliamsport, MD 21795 (301) 582‑1150
Group practices
Medicare enrollment lists Guy A. Mazzone as a member of these groups (CMS data updated 2026-10-02).
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
- Meritus Medical Center Inc743 clinicians in the group
- Medical Practices of Antietam, LLC234 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Hagerstown
Clinicians with the same Medicare primary specialty in Hagerstown, MD — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821050519 |
| 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
- 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