William Duggan, M.D.
NPI 1932374857 · Internal Medicine Physician · Bronxville, NY
William Duggan, M.D. is a Internal Medicine Physician provider in Bronxville, NY (NPI 1932374857).
Provider details
- NPI number
- 1932374857
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 106927 (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
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
- 2008-04-23
- Last updated
- 2008-04-23
Frequently asked questions
- What is William Duggan's NPI number?
- William Duggan's National Provider Identifier (NPI) is 1932374857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Duggan's specialty?
- William Duggan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Duggan located?
- William Duggan's practice location on file with NPPES is 250 Bronxville Rd Apt 3l, Bronxville, NY 10708-2803.
- What is William Duggan's phone number?
- The practice phone number listed in the NPPES registry for William Duggan is (914) 337-9043.
- Is William Duggan's NPI active?
- Yes — William Duggan's NPI (1932374857) is active in the NPPES registry as of the last update on 2008-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.