Northewestern Opthalmic Institute
NPI 1881754570 · Ophthalmology Physician · Glenview, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Northewestern Opthalmic Institute is a Ophthalmology Physician organization in Glenview, IL (NPI 1881754570).
Provider details
- NPI number
- 1881754570
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas Bournias, Dr(847) 832-3900
- License
- 36093343 (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
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
- 2006-12-11
- Last updated
- 2013-03-15
Frequently asked questions
- What is Northewestern Opthalmic Institute's NPI number?
- Northewestern Opthalmic Institute's National Provider Identifier (NPI) is 1881754570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northewestern Opthalmic Institute?
- Northewestern Opthalmic Institute is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Northewestern Opthalmic Institute located?
- Northewestern Opthalmic Institute's practice location on file with NPPES is 3633 West Lake Avenue, Glenview, IL 60026.
- What is Northewestern Opthalmic Institute's phone number?
- The practice phone number listed in the NPPES registry for Northewestern Opthalmic Institute is (847) 832-3900.
- Does Northewestern Opthalmic Institute accept Medicare?
- Northewestern Opthalmic Institute is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Northewestern Opthalmic Institute?
- The authorized official listed on Northewestern Opthalmic Institute's NPPES record is Thomas Bournias, Dr. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northewestern Opthalmic Institute's NPI active?
- Yes — Northewestern Opthalmic Institute's NPI (1881754570) is active in the NPPES registry as of the last update on 2013-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.