Karen Friedman, MS RNC FNP
NPI 1861421299 · Family Nurse Practitioner · Boston, MA
Karen Friedman, MS RNC FNP is a Family Nurse Practitioner provider in Boston, MA (NPI 1861421299).
Provider details
- NPI number
- 1861421299
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS RNC FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 167651 (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
- 2006-06-30
- Last updated
- 2015-01-08
Frequently asked questions
- What is Karen Friedman's NPI number?
- Karen Friedman's National Provider Identifier (NPI) is 1861421299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Friedman's specialty?
- Karen Friedman is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Friedman located?
- Karen Friedman's practice location on file with NPPES is 780 Albany St, Boston, MA 02118-2524.
- What is Karen Friedman's phone number?
- The practice phone number listed in the NPPES registry for Karen Friedman is (857) 654-1000.
- Is Karen Friedman's NPI active?
- Yes — Karen Friedman's NPI (1861421299) is active in the NPPES registry as of the last update on 2015-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.