Sean Alwin, MD
NPI 1770633042 · Family Medicine Physician · Whitewater, WI
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Alwin, MD is a Family Medicine Physician provider in Whitewater, WI (NPI 1770633042).
Provider details
- NPI number
- 1770633042
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26087 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-01-11
- Last updated
- 2008-07-23
Frequently asked questions
- What is Sean Alwin's NPI number?
- Sean Alwin's National Provider Identifier (NPI) is 1770633042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Alwin's specialty?
- Sean Alwin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Alwin located?
- Sean Alwin's practice location on file with NPPES is 1305 W Main St, Whitewater, WI 53190-1503.
- What is Sean Alwin's phone number?
- The practice phone number listed in the NPPES registry for Sean Alwin is (262) 473-4548.
- Does Sean Alwin accept Medicare?
- Sean Alwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Alwin's NPI active?
- Yes — Sean Alwin's NPI (1770633042) is active in the NPPES registry as of the last update on 2008-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.