Michael Hagan, D.O.
NPI 1225237845 · Emergency Medicine Physician · Ann Arbor, MI
Michael Hagan, D.O. is a Emergency Medicine Physician provider in Ann Arbor, MI (NPI 1225237845).
Provider details
- NPI number
- 1225237845
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5101006742 (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
18 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
- 2007-07-13
- Last updated
- 2007-07-13
Frequently asked questions
- What is Michael Hagan's NPI number?
- Michael Hagan's National Provider Identifier (NPI) is 1225237845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hagan's specialty?
- Michael Hagan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hagan located?
- Michael Hagan's practice location on file with NPPES is 2203 Platt Rd, Ann Arbor, MI 48104-9836.
- What is Michael Hagan's phone number?
- The practice phone number listed in the NPPES registry for Michael Hagan is (734) 973-1577.
- Is Michael Hagan's NPI active?
- Yes — Michael Hagan's NPI (1225237845) is active in the NPPES registry as of the last update on 2007-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.