Northern Illinois Ambulatory Service LLC
NPI 1831115583 · Ambulatory Surgical Clinic/Center · Buffalo Grove, IL
Northern Illinois Ambulatory Service LLC is a Ambulatory Surgical Clinic/Center organization in Buffalo Grove, IL (NPI 1831115583).
Provider details
- NPI number
- 1831115583
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Howard Konowitz, Managing Partner(847) 921-9733
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
20 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
- 2006-07-14
- Last updated
- 2020-08-22
Frequently asked questions
- What is Northern Illinois Ambulatory Service LLC's NPI number?
- Northern Illinois Ambulatory Service LLC's National Provider Identifier (NPI) is 1831115583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northern Illinois Ambulatory Service LLC?
- Northern Illinois Ambulatory Service LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Northern Illinois Ambulatory Service LLC located?
- Northern Illinois Ambulatory Service LLC's practice location on file with NPPES is 404 Mchenry Rd., Buffalo Grove, IL 60089-6740.
- What is Northern Illinois Ambulatory Service LLC's phone number?
- The practice phone number listed in the NPPES registry for Northern Illinois Ambulatory Service LLC is (847) 821-9050.
- Who is the authorized official for Northern Illinois Ambulatory Service LLC?
- The authorized official listed on Northern Illinois Ambulatory Service LLC's NPPES record is Howard Konowitz, Managing Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northern Illinois Ambulatory Service LLC's NPI active?
- Yes — Northern Illinois Ambulatory Service LLC's NPI (1831115583) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.