Ontario Street Operatory Fac
NPI 1487115804 · Ambulatory Surgical Clinic/Center · Chicago, IL
Ontario Street Operatory Fac is a Ambulatory Surgical Clinic/Center organization in Chicago, IL (NPI 1487115804).
Provider details
- NPI number
- 1487115804
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Jeffrey Weinzweig, Owner(312) 642-0400
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2019-03-28
- Last updated
- 2019-03-28
Frequently asked questions
- What is Ontario Street Operatory Fac's NPI number?
- Ontario Street Operatory Fac's National Provider Identifier (NPI) is 1487115804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ontario Street Operatory Fac?
- Ontario Street Operatory Fac is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Ontario Street Operatory Fac located?
- Ontario Street Operatory Fac's practice location on file with NPPES is 22 W Ontario Street Operatory, Chicago, IL 60654.
- What is Ontario Street Operatory Fac's phone number?
- The practice phone number listed in the NPPES registry for Ontario Street Operatory Fac is (312) 642-0400.
- Who is the authorized official for Ontario Street Operatory Fac?
- The authorized official listed on Ontario Street Operatory Fac's NPPES record is Jeffrey Weinzweig, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ontario Street Operatory Fac's NPI active?
- Yes — Ontario Street Operatory Fac's NPI (1487115804) is active in the NPPES registry as of the last update on 2019-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.