Robert Mazzei, D.O.
NPI 1194823690 · Diagnostic Radiology Physician · Hagerstown, MD
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Mazzei, D.O. is a Diagnostic Radiology Physician provider in Hagerstown, MD (NPI 1194823690).
Provider details
- NPI number
- 1194823690
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- H51801 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,131 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 240 | $8 |
| Screening 3d Breast Mammography77063 | 172 | $28 |
| Screening Mammography77067 | 172 | $36 |
| X-Ray of Chest, 2 Views71046 | 158 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 100 | $39 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 74 | $85 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$357 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 322 E Antietam StSuite 106Hagerstown, MD 21740-5794Phone: (301) 739-6144Fax: (301) 739-6163
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2025-03-20
- Certified
- 2025-03-20
Frequently asked questions
- What is Robert Mazzei's NPI number?
- Robert Mazzei's National Provider Identifier (NPI) is 1194823690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Mazzei's specialty?
- Robert Mazzei is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Mazzei located?
- Robert Mazzei's practice location on file with NPPES is 10715 Downsville Pike Ste 103, Hagerstown, MD 21740.
- What is Robert Mazzei's phone number?
- The practice phone number listed in the NPPES registry for Robert Mazzei is (301) 739-6144.
- Does Robert Mazzei accept Medicare?
- Robert Mazzei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Mazzei's NPI active?
- Yes — Robert Mazzei's NPI (1194823690) is active in the NPPES registry as of the last update on 2025-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.