Colin Mcmahon, MD
NPI 1225618150 · Emergency Medicine Physician · Detroit, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Mcmahon, MD is a Emergency Medicine Physician provider in Detroit, MI (NPI 1225618150).
Provider details
- NPI number
- 1225618150
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301513931 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 25 Michigan St Ne Ste 2100Grand Rapids, MI 49503-2526Phone: (616) 391-3777Fax: (616) 391-3755
Registry dates
- Enumerated
- 2021-04-13
- Last updated
- 2026-04-27
- Certified
- 2026-04-27
Frequently asked questions
- What is Colin Mcmahon's NPI number?
- Colin Mcmahon's National Provider Identifier (NPI) is 1225618150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Mcmahon's specialty?
- Colin Mcmahon is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Mcmahon located?
- Colin Mcmahon's practice location on file with NPPES is 2799 W Grand Blvd, Detroit, MI 48202-2608.
- What is Colin Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Colin Mcmahon is (313) 916-1545.
- Does Colin Mcmahon accept Medicare?
- Colin Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Mcmahon's NPI active?
- Yes — Colin Mcmahon's NPI (1225618150) is active in the NPPES registry as of the last update on 2026-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.