Nancy Mcmahon, ACNP-BC
NPI 1861723355 · Nurse Practitioner · Hartford, WI
Nancy Mcmahon, ACNP-BC is a Nurse Practitioner provider in Hartford, WI (NPI 1861723355).
Provider details
- NPI number
- 1861723355
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ACNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 3972 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-01-22
- Last updated
- 2021-11-23
- Certified
- 2021-11-23
Frequently asked questions
- What is Nancy Mcmahon's NPI number?
- Nancy Mcmahon's National Provider Identifier (NPI) is 1861723355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Mcmahon's specialty?
- Nancy Mcmahon is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Mcmahon located?
- Nancy Mcmahon's practice location on file with NPPES is 1640 E Sumner St, Hartford, WI 53027-2684.
- What is Nancy Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Nancy Mcmahon is (262) 670-4000.
- Is Nancy Mcmahon's NPI active?
- Yes — Nancy Mcmahon's NPI (1861723355) is active in the NPPES registry as of the last update on 2021-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.