Michael Mazza, MD
NPI 1639250764 · Diagnostic Radiology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mazza, MD is a Diagnostic Radiology Physician provider in Ann Arbor, MI (NPI 1639250764).
Provider details
- NPI number
- 1639250764
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301083878 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,083 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 160 | $38 |
| X-Ray of Chest, 1 View71045 | 145 | $8 |
| X-Ray of Chest, 2 Views71046 | 134 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 111 | $84 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 110 | $84 |
| Ct Scan of Upper Spine Without Contrast72125 | 73 | $46 |
| Limited Ultrasound Scan of Abdomen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2012-03-21
Frequently asked questions
- What is Michael Mazza's NPI number?
- Michael Mazza's National Provider Identifier (NPI) is 1639250764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mazza's specialty?
- Michael Mazza is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mazza located?
- Michael Mazza's practice location on file with NPPES is 1500 East Medical Center Dr, Ann Arbor, MI 48109-5030.
- What is Michael Mazza's phone number?
- The practice phone number listed in the NPPES registry for Michael Mazza is (734) 936-4566.
- Does Michael Mazza accept Medicare?
- Michael Mazza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mazza's NPI active?
- Yes — Michael Mazza's NPI (1639250764) is active in the NPPES registry as of the last update on 2012-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.