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Justin Castonguay, MD
NPI 1558153312 · Anesthesiology Physician · Peoria, IL
Justin Castonguay, MD is a Anesthesiology Physician provider in Peoria, IL (NPI 1558153312).
Provider details
- NPI number
- 1558153312
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125.085734 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
1 Illini Dr
Peoria, IL 61605-2576
Phone: (309) 655-6988
Street-level locationGet directions
Mailing address
6213 N Knoll Aire Dr
Peoria, IL 61614-3422
Registry dates
- Enumerated
- 2025-05-19
- Last updated
- 2025-05-19
- Certified
- 2025-05-19
Frequently asked questions
- What is Justin Castonguay's NPI number?
- Justin Castonguay's National Provider Identifier (NPI) is 1558153312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Castonguay's specialty?
- Justin Castonguay is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Castonguay located?
- Justin Castonguay's practice location on file with NPPES is 1 Illini Dr, Peoria, IL 61605-2576.
- What is Justin Castonguay's phone number?
- The practice phone number listed in the NPPES registry for Justin Castonguay is (309) 655-6988.
- Is Justin Castonguay's NPI active?
- Yes — Justin Castonguay's NPI (1558153312) is active in the NPPES registry as of the last update on 2025-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.