Guy Powell, M.D.
NPI 1417976150 · Family Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Powell, M.D. is a Family Medicine Physician provider in Milwaukee, WI (NPI 1417976150).
Provider details
- NPI number
- 1417976150
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 44188 (WI)
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
19 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
- 2006-07-19
- Last updated
- 2009-01-09
Frequently asked questions
- What is Guy Powell's NPI number?
- Guy Powell's National Provider Identifier (NPI) is 1417976150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Powell's specialty?
- Guy Powell is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Powell located?
- Guy Powell's practice location on file with NPPES is 1155 N. Mayfair Rd., Milwaukee, WI 53226-3421.
- What is Guy Powell's phone number?
- The practice phone number listed in the NPPES registry for Guy Powell is (414) 456-5990.
- Does Guy Powell accept Medicare?
- Guy Powell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Powell's NPI active?
- Yes — Guy Powell's NPI (1417976150) is active in the NPPES registry as of the last update on 2009-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.