Medical groups in Niles, IL
- Medical groups
- 21
- Multi-specialty
- 2
- Single-specialty
- 19
- More than one site
- 5
There are 21 medical groups in Niles with a Medicare PAC ID. Barrington Anesthesia Associates is the largest, with 26 Illinois physicians, followed by Retina Institute of Illinois with 9. 86% of Niles groups are independent.
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Barrington Anesthesia Associates is the largest medical group in Niles, with 26 physicians
Ranked by physicians with an Illinois address linked to each group based in Niles. Retina Institute of Illinois is second with 9, and Northwest Infectious Disease Consultants third with 8.
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Showing 1 to 10 of 21 medical groups in Niles
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
86% of Niles medical groups are independent, with no larger parent organization
A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.
Niles medical groups by ownership
- Independent18
- Platform or corporate owner1
- Community or government2
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 21 Niles medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
1 Niles medical groups practice at a hospital site
Beyond their own offices, groups practice at the sites of care linked to them in the org hierarchy. A group can practice at several kinds of site, so the shares overlap.
Niles medical groups by site of care
- Ambulatory surgery centers1
- Therapy and rehab centers1
- Hospitals1
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Primary care groups are the most common medical groups in Niles, with 10
Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 3, and 2 Niles groups are multi-specialty.
- Primary care10
- Behavioral and mental health3
- Eye care3
- Chiropractic2
- Anesthesia and pain1
- Dermatology1
- Rehabilitation and therapy1
Source: Dmand AI Professional Profile Data
137 Illinois HCPs work in Niles medical groups, 74 of them physicians
Each clinician is counted once, across every Niles group they are linked to. Only clinicians with an Illinois address are counted.
HCPs in Niles medical groups by type
- Physicians (MD, DO)74
- Nurses and nurse practitioners32
- Behavioral health clinicians10
- Chiropractors5
- Optometrists and opticians5
- Other HCPs11
Source: Dmand AI Affiliation Data
Each Niles medical group profile shows the parent, sites, clinicians and identifiers
- Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
- Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
- Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
- Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
- Parent organizationThe health system, platform or owner above the groupOn every profile
- Every clinician and siteThe full roster and every practice locationWith a free account
- Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
- EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account
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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the Niles medical group directory
| Data on this page | Source |
|---|---|
| Medical groups, specialties and sites | Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data |
| Parent organizations and independence | Dmand AI Org Hierarchy Data |
| Physicians and HCPs | Dmand AI Affiliation Data |
| Group NPI and PAC ID | NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS) |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory lists groups based in Niles with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Niles
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many medical groups are in Niles?
There are 21 medical groups based in Niles with a Medicare PAC ID: 2 multi-specialty and 19 single-specialty. 5 of them have more than one site.
What is the largest medical group in Niles?
Barrington Anesthesia Associates, with 26 physicians and 27 HCPs with an Illinois address. Retina Institute of Illinois is second with 9, and Northwest Infectious Disease Consultants is third with 8.
How many Niles medical groups are independent?
18, or 86%, have no larger parent organization in the Dmand AI org hierarchy. 1 to a physician platform or corporate owner.
How many Niles medical groups practice at a hospital?
1 Niles groups practice at a hospital site linked to them in the Dmand AI org hierarchy.
How do I find a medical group's NPI or PAC ID?
Each medical group profile lists the group NPI and Medicare PAC ID at the top, with the main address and phone number. The NPI comes from the NPPES NPI Registry and the PAC ID from CMS Medicare enrollment.
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