Gerstein Ior LLC
NPI 1992698203 · Ambulatory Surgical Clinic/Center · Chicago, IL
Gerstein Ior LLC is a Ambulatory Surgical Clinic/Center organization in Chicago, IL (NPI 1992698203).
Provider details
- NPI number
- 1992698203
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Craig Gerstein, Medical Director(773) 973-3223
Specialties & taxonomies
Ambulatory Health Care Facilities
- Ophthalmologic Surgery Clinic/Center261QS0132X
Ambulatory Health Care Facilities
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2025-06-03
- Last updated
- 2025-07-17
- Certified
- 2025-07-17
Frequently asked questions
- What is Gerstein Ior LLC's NPI number?
- Gerstein Ior LLC's National Provider Identifier (NPI) is 1992698203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gerstein Ior LLC?
- Gerstein Ior LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Gerstein Ior LLC located?
- Gerstein Ior LLC's practice location on file with NPPES is 3042 W Peterson Ave, Chicago, IL 60659-3729.
- What is Gerstein Ior LLC's phone number?
- The practice phone number listed in the NPPES registry for Gerstein Ior LLC is (773) 973-3223.
- Who is the authorized official for Gerstein Ior LLC?
- The authorized official listed on Gerstein Ior LLC's NPPES record is Craig Gerstein, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gerstein Ior LLC's NPI active?
- Yes — Gerstein Ior LLC's NPI (1992698203) is active in the NPPES registry as of the last update on 2025-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.