Margaret Whelan, FNP
NPI 1043542558 · Family Nurse Practitioner · Rockville Centre, NY
Margaret Whelan, FNP is a Family Nurse Practitioner provider in Rockville Centre, NY (NPI 1043542558).
Provider details
- NPI number
- 1043542558
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 332540 (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 tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$123 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-02-08
- Last updated
- 2010-02-08
Frequently asked questions
- What is Margaret Whelan's NPI number?
- Margaret Whelan's National Provider Identifier (NPI) is 1043542558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Whelan's specialty?
- Margaret Whelan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Whelan located?
- Margaret Whelan's practice location on file with NPPES is 1000 Hempstead Ave, Rockville Centre, NY 11570-1135.
- What is Margaret Whelan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Whelan is (516) 678-5000.
- Is Margaret Whelan's NPI active?
- Yes — Margaret Whelan's NPI (1043542558) is active in the NPPES registry as of the last update on 2010-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.