Siobhan Lamasney, FNP
NPI 1952582520 · Family Nurse Practitioner · Valley Cottage, NY
Siobhan Lamasney, FNP is a Family Nurse Practitioner provider in Valley Cottage, NY (NPI 1952582520).
Provider details
- NPI number
- 1952582520
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 334327 (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
18 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
- 2007-11-23
- Last updated
- 2007-11-23
Frequently asked questions
- What is Siobhan Lamasney's NPI number?
- Siobhan Lamasney's National Provider Identifier (NPI) is 1952582520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siobhan Lamasney's specialty?
- Siobhan Lamasney is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Siobhan Lamasney located?
- Siobhan Lamasney's practice location on file with NPPES is 695 Sierra Vista Lane, Valley Cottage, NY 10989.
- What is Siobhan Lamasney's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Lamasney is (914) 493-8793.
- Is Siobhan Lamasney's NPI active?
- Yes — Siobhan Lamasney's NPI (1952582520) is active in the NPPES registry as of the last update on 2007-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.