Mary Duncan, FNP-BC
NPI 1942987425 · Family Nurse Practitioner · Niagara Falls, NY
Mary Duncan, FNP-BC is a Family Nurse Practitioner provider in Niagara Falls, NY (NPI 1942987425).
Provider details
- NPI number
- 1942987425
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 351152 (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
2 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
- 2023-06-28
- Last updated
- 2023-07-10
- Certified
- 2023-07-10
Frequently asked questions
- What is Mary Duncan's NPI number?
- Mary Duncan's National Provider Identifier (NPI) is 1942987425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Duncan's specialty?
- Mary Duncan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Duncan located?
- Mary Duncan's practice location on file with NPPES is 630 66th St, Niagara Falls, NY 14304-2212.
- What is Mary Duncan's phone number?
- The practice phone number listed in the NPPES registry for Mary Duncan is (716) 286-4211.
- Is Mary Duncan's NPI active?
- Yes — Mary Duncan's NPI (1942987425) is active in the NPPES registry as of the last update on 2023-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.