Guy Power, M.D.
NPI 1265409429 · Gastroenterology Physician · Marshall, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Power, M.D. is a Gastroenterology Physician provider in Marshall, MI (NPI 1265409429).
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
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
Mailing address
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
Frequently asked questions
- What is Guy Power's NPI number?
- Guy Power's National Provider Identifier (NPI) is 1265409429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Power's specialty?
- Guy Power is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Power located?
- Guy Power's practice location on file with NPPES is 215 E Mansion St, Marshall, MI 49068.
- What is Guy Power's phone number?
- The practice phone number listed in the NPPES registry for Guy Power is (269) 789-0025.
- Does Guy Power accept Medicare?
- Guy Power is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Power's NPI active?
- Yes — Guy Power's NPI (1265409429) is active in the NPPES registry as of the last update on 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.