Caroline Macisaac, RN, MSN, FNP
NPI 1639868599 · Nurse Practitioner · Wellesley, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caroline Macisaac, RN, MSN, FNP is a Nurse Practitioner provider in Wellesley, MA (NPI 1639868599).
Provider details
- NPI number
- 1639868599
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MSN, FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2280759 (MA)
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
3 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
- 2023-05-04
- Last updated
- 2023-05-04
- Certified
- 2023-05-04
Frequently asked questions
- What is Caroline Macisaac's NPI number?
- Caroline Macisaac's National Provider Identifier (NPI) is 1639868599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Macisaac's specialty?
- Caroline Macisaac is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caroline Macisaac located?
- Caroline Macisaac's practice location on file with NPPES is 230 Worcester St, Wellesley, MA 02481-5420.
- What is Caroline Macisaac's phone number?
- The practice phone number listed in the NPPES registry for Caroline Macisaac is (781) 431-5400.
- Does Caroline Macisaac accept Medicare?
- Caroline Macisaac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caroline Macisaac's NPI active?
- Yes — Caroline Macisaac's NPI (1639868599) is active in the NPPES registry as of the last update on 2023-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.