Nancy Barclay, NP
NPI 1154398550 · Neonatal Nurse Practitioner · Williamsville, NY
Nancy Barclay, NP is a Neonatal Nurse Practitioner provider in Williamsville, NY (NPI 1154398550).
Provider details
- NPI number
- 1154398550
- Entity type
- Individual
- Primary specialty
- Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- F350212 (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
20 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
- 2006-03-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Barclay's NPI number?
- Nancy Barclay's National Provider Identifier (NPI) is 1154398550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Barclay's specialty?
- Nancy Barclay is listed in the NPPES registry with a primary specialty of Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Barclay located?
- Nancy Barclay's practice location on file with NPPES is 1540 Maple Rd, Williamsville, NY 14221-3647.
- What is Nancy Barclay's phone number?
- The practice phone number listed in the NPPES registry for Nancy Barclay is (716) 878-7662.
- Is Nancy Barclay's NPI active?
- Yes — Nancy Barclay's NPI (1154398550) 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.