William Assante, MD
NPI 1629179379 · Internal Medicine Physician · Cortlandt Manor, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Assante, MD is a Internal Medicine Physician provider in Cortlandt Manor, NY (NPI 1629179379).
Provider details
- NPI number
- 1629179379
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 185848 (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
- 2006-09-26
- Last updated
- 2013-09-03
Frequently asked questions
- What is William Assante's NPI number?
- William Assante's National Provider Identifier (NPI) is 1629179379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Assante's specialty?
- William Assante is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Assante located?
- William Assante's practice location on file with NPPES is 1985 Crompond Rd, Cortlandt Manor, NY 10567-4146.
- What is William Assante's phone number?
- The practice phone number listed in the NPPES registry for William Assante is (914) 739-6550.
- Does William Assante accept Medicare?
- William Assante is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Assante's NPI active?
- Yes — William Assante's NPI (1629179379) is active in the NPPES registry as of the last update on 2013-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.