OrganizationActive
Simpson Eye Associates Ltd
NPI 1235376021 · Ophthalmology Physician · Hoffman Estates, IL
Provider details
- NPI number
- 1235376021
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sam Kossoff, Coo(847) 426-0227
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
1555 Barrington Rd
Hoffman Estates, IL 60169
Phone: (847) 843-2000
Street-level locationGet directions
Mailing address
650 Springhill Ring Rd
West Dundee, IL 60118-1297
Registry dates
- Enumerated
- 2009-01-15
- Last updated
- 2009-03-05
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.