IndividualActive
Margaret Barrett
NPI 1912161647 · Internal Medicine Physician · Waukesha, WI
Margaret Barrett is a Internal Medicine Physician provider in Waukesha, WI (NPI 1912161647).
Provider details
- NPI number
- 1912161647
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 64615 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(96/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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
W231n1440 Corporate Ct
Waukesha, WI 53186-1303
Phone: (262) 896-6000
Street-level locationGet directions
Mailing address
W231n1440 Corporate Ct
Waukesha, WI 53186-1303
Additional practice locations (2)
- 725 American AveRoom 2036Waukesha, WI 53188-5031Phone: (262) 928-5400Fax: (262) 928-6140
- 725 American AveRoom 2036Waukesha, WI 53188-5031Phone: (262) 928-5400Fax: (262) 928-6140
Registry dates
- Enumerated
- 2008-07-11
- Last updated
- 2018-03-17
Frequently asked questions
- What is Margaret Barrett's NPI number?
- Margaret Barrett's National Provider Identifier (NPI) is 1912161647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Barrett's specialty?
- Margaret Barrett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Barrett located?
- Margaret Barrett's practice location on file with NPPES is W231n1440 Corporate Ct, Waukesha, WI 53186-1303.
- What is Margaret Barrett's phone number?
- The practice phone number listed in the NPPES registry for Margaret Barrett is (262) 896-6000.
- Is Margaret Barrett's NPI active?
- Yes — Margaret Barrett's NPI (1912161647) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.