Guy Mazzone, PA-C
NPI 1821050519 · Surgical Physician Assistant · Hagerstown, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Mazzone, PA-C is a Surgical Physician Assistant provider in Hagerstown, MD (NPI 1821050519).
Provider details
- NPI number
- 1821050519
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- C0003214 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
790 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 229 | $77 |
| X-Ray of Knee, 4 Or More Views73564 | 93 | $40 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $106 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 66 | $94 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 57 | $140 |
| X-Ray of Shoulder, Minimum of 2 Views73030 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 230 | 99 |
| Oxycodone Hcl | 98 | 74 |
| Celecoxib | 70 | 33 |
| Diclofenac Sodium | 70 | 29 |
| Cephalexin | 53 | 48 |
| Tizanidine Hcl | 48 | 31 |
| Pregabalin | 46 | 44 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2022-01-13
- Certified
- 2022-01-13
Frequently asked questions
- What is Guy Mazzone's NPI number?
- Guy Mazzone's National Provider Identifier (NPI) is 1821050519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Mazzone's specialty?
- Guy Mazzone is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Guy Mazzone located?
- Guy Mazzone's practice location on file with NPPES is 11110 Medical Campus Rd, Hagerstown, MD 21742-6700.
- What is Guy Mazzone's phone number?
- The practice phone number listed in the NPPES registry for Guy Mazzone is (301) 665-4950.
- Does Guy Mazzone accept Medicare?
- Guy Mazzone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Mazzone's NPI active?
- Yes — Guy Mazzone's NPI (1821050519) is active in the NPPES registry as of the last update on 2022-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.