Zachary Belnavis, MD
NPI 1255918793 · Hospitalist Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Belnavis, MD is a Hospitalist Physician provider in Oak Lawn, IL (NPI 1255918793).
Provider details
- NPI number
- 1255918793
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036166238 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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)
- 1425 N Randall RdElgin, IL 60123-2300Phone: (224) 783-5437Fax: (224) 783-2811
Registry dates
- Enumerated
- 2021-03-29
- Last updated
- 2024-08-30
- Certified
- 2024-08-30
Frequently asked questions
- What is Zachary Belnavis's NPI number?
- Zachary Belnavis's National Provider Identifier (NPI) is 1255918793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Belnavis's specialty?
- Zachary Belnavis is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Belnavis located?
- Zachary Belnavis's practice location on file with NPPES is 4220 W 95th St, Oak Lawn, IL 60453-2793.
- What is Zachary Belnavis's phone number?
- The practice phone number listed in the NPPES registry for Zachary Belnavis is (708) 684-5341.
- Does Zachary Belnavis accept Medicare?
- Zachary Belnavis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Belnavis's NPI active?
- Yes — Zachary Belnavis's NPI (1255918793) is active in the NPPES registry as of the last update on 2024-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.