Margaret Whelan, MD
NPI 1427061126 · Diagnostic Radiology Physician · Riverhead, NY
Margaret Whelan, MD is a Diagnostic Radiology Physician provider in Riverhead, NY (NPI 1427061126).
Provider details
- NPI number
- 1427061126
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 120017 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-14
- Last updated
- 2008-05-16
Frequently asked questions
- What is Margaret Whelan's NPI number?
- Margaret Whelan's National Provider Identifier (NPI) is 1427061126, 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 Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Whelan located?
- Margaret Whelan's practice location on file with NPPES is 1333 Roanoke Ave, Riverhead, NY 11901.
- What is Margaret Whelan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Whelan is (631) 727-2755.
- Is Margaret Whelan's NPI active?
- Yes — Margaret Whelan's NPI (1427061126) is active in the NPPES registry as of the last update on 2008-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.