Karen Flaherty, MSN, APRN-BC
NPI 1558379982 · Adult Health Nurse Practitioner · Boston, MA
Karen Flaherty, MSN, APRN-BC is a Adult Health Nurse Practitioner provider in Boston, MA (NPI 1558379982).
Provider details
- NPI number
- 1558379982
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APRN-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 127776 (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
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
- 2006-08-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Flaherty's NPI number?
- Karen Flaherty's National Provider Identifier (NPI) is 1558379982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Flaherty's specialty?
- Karen Flaherty is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Flaherty located?
- Karen Flaherty's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Karen Flaherty's phone number?
- The practice phone number listed in the NPPES registry for Karen Flaherty is (617) 732-7431.
- Is Karen Flaherty's NPI active?
- Yes — Karen Flaherty's NPI (1558379982) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.