Barry Altshuler, MD
NPI 1134100688 · Pediatrics Physician · Crystal Lake, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barry Altshuler, MD is a Pediatrics Physician provider in Crystal Lake, IL (NPI 1134100688).
Provider details
- NPI number
- 1134100688
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036071366 (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
2 documented practice locations
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
Additional practice locations (1)
- 3232 Lake Ave Ste 330Wilmette, IL 60091-1085Phone: (224) 226-9420Fax: (847) 256-2140
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2023-12-14
- Certified
- 2023-12-14
Frequently asked questions
- What is Barry Altshuler's NPI number?
- Barry Altshuler's National Provider Identifier (NPI) is 1134100688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barry Altshuler's specialty?
- Barry Altshuler is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Barry Altshuler located?
- Barry Altshuler's practice location on file with NPPES is 820 E Terra Cotta Ave, Crystal Lake, IL 60014-3649.
- What is Barry Altshuler's phone number?
- The practice phone number listed in the NPPES registry for Barry Altshuler is (815) 455-2100.
- Does Barry Altshuler accept Medicare?
- Barry Altshuler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barry Altshuler's NPI active?
- Yes — Barry Altshuler's NPI (1134100688) is active in the NPPES registry as of the last update on 2023-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.