Michael Mazur, DO
NPI 1922850270 · Emergency Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mazur, DO is a Emergency Medicine Physician provider in Grand Rapids, MI (NPI 1922850270).
Provider details
- NPI number
- 1922850270
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5151016768 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-04-02
- Last updated
- 2024-06-18
- Certified
- 2024-06-18
Frequently asked questions
- What is Michael Mazur's NPI number?
- Michael Mazur's National Provider Identifier (NPI) is 1922850270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mazur's specialty?
- Michael Mazur is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mazur located?
- Michael Mazur's practice location on file with NPPES is 100 Michigan St Ne, Grand Rapids, MI 49503-2560.
- What is Michael Mazur's phone number?
- The practice phone number listed in the NPPES registry for Michael Mazur is (616) 391-1680.
- Does Michael Mazur accept Medicare?
- Michael Mazur is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mazur's NPI active?
- Yes — Michael Mazur's NPI (1922850270) is active in the NPPES registry as of the last update on 2024-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.