William Nicholas, MD
NPI 1326116427 · Allergy & Immunology Physician · East Hampton, NY
William Nicholas, MD is a Allergy & Immunology Physician provider in East Hampton, NY (NPI 1326116427).
Provider details
- NPI number
- 1326116427
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 078001 (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
- 2006-11-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Nicholas's NPI number?
- William Nicholas's National Provider Identifier (NPI) is 1326116427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Nicholas's specialty?
- William Nicholas is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is William Nicholas located?
- William Nicholas's practice location on file with NPPES is 44 Oyster Shores Rd, East Hampton, NY 11937-1179.
- What is William Nicholas's phone number?
- The practice phone number listed in the NPPES registry for William Nicholas is (631) 324-8946.
- Is William Nicholas's NPI active?
- Yes — William Nicholas's NPI (1326116427) 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.