Catherine Macmillan, DO
NPI 1871504167 · Family Medicine Physician · New London, WI
Catherine Macmillan, DO is a Family Medicine Physician provider in New London, WI (NPI 1871504167).
Provider details
- NPI number
- 1871504167
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 42214 (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
- 2006-08-11
- Last updated
- 2012-03-13
Frequently asked questions
- What is Catherine Macmillan's NPI number?
- Catherine Macmillan's National Provider Identifier (NPI) is 1871504167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Macmillan's specialty?
- Catherine Macmillan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Macmillan located?
- Catherine Macmillan's practice location on file with NPPES is 1405 Mill St, New London, WI 54961-2155.
- What is Catherine Macmillan's phone number?
- The practice phone number listed in the NPPES registry for Catherine Macmillan is (920) 531-2400.
- Is Catherine Macmillan's NPI active?
- Yes — Catherine Macmillan's NPI (1871504167) is active in the NPPES registry as of the last update on 2012-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.