IndividualActive
Guy Power, M.D.
NPI 1265409429 · Gastroenterology Physician · Marshall, MI
Provider details
- NPI number
- 1265409429
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301057496 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(95/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
215 E Mansion St
Suite 3a
Marshall, MI 49068
Phone: (269) 789-0025
Fax: (269) 789-0445
Street-level locationGet directions
Mailing address
Po Box 1847
Muskegon, MI 49443-1847
Additional practice locations (1)
- 215 E Mansion StSuite 3aMarshall, MI 49068-1559Phone: (269) 789-0025Fax: (269) 789-0445
Registry dates
- Enumerated
- 2006-03-07
- Last updated
- 2018-08-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.