William Nulty, MD
NPI 1639148356 · Pediatric Adolescent Medicine Physician · Peoria, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Nulty, MD is a Pediatric Adolescent Medicine Physician provider in Peoria, IL (NPI 1639148356).
Provider details
- NPI number
- 1639148356
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036085410 (IL)
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
20 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
- 2006-03-15
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Nulty's NPI number?
- William Nulty's National Provider Identifier (NPI) is 1639148356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Nulty's specialty?
- William Nulty is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Nulty located?
- William Nulty's practice location on file with NPPES is One Illini Dr, Peoria, IL 61605.
- What is William Nulty's phone number?
- The practice phone number listed in the NPPES registry for William Nulty is (309) 671-8503.
- Does William Nulty accept Medicare?
- William Nulty is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Nulty's NPI active?
- Yes — William Nulty's NPI (1639148356) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.