Karen Duffy, R.N.,M.S.,ANP,GCNS
NPI 1811099716 · Adult Health Nurse Practitioner · Victor, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Duffy, R.N.,M.S.,ANP,GCNS is a Adult Health Nurse Practitioner provider in Victor, NY (NPI 1811099716).
Provider details
- NPI number
- 1811099716
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- R.N.,M.S.,ANP,GCNS
- Sex
- Female
- Sole proprietor
- Yes
- License
- F302064-1 (NY)
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
- 2006-09-01
- Last updated
- 2020-08-05
- Certified
- 2020-08-05
Frequently asked questions
- What is Karen Duffy's NPI number?
- Karen Duffy's National Provider Identifier (NPI) is 1811099716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Duffy's specialty?
- Karen Duffy is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Duffy located?
- Karen Duffy's practice location on file with NPPES is 6532 Anthony Dr a, Victor, NY 14564-1403.
- What is Karen Duffy's phone number?
- The practice phone number listed in the NPPES registry for Karen Duffy is (585) 924-2100.
- Does Karen Duffy accept Medicare?
- Karen Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Duffy's NPI active?
- Yes — Karen Duffy's NPI (1811099716) is active in the NPPES registry as of the last update on 2020-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.