Providers
839
Locations
4
Specialties
12
Insurance Plans
56
About Cook County
Background and practice information
Cook County is a large multi-specialty medical practice based in Chicago, IL, with 839 affiliated healthcare providers practicing across 4 locations.
The practice brings together providers across multiple specialties, including internal medicine, physician assistant, nurse practitioner, and family practice. Its providers are in-network with 56 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Across its providers, the practice has a solid average Merit-based Incentive Payment System (MIPS) score of 78.2 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
4 locations
Cook CountyPrimary
3250 N ARLINGTON HEIGHTS RD, Arlington Heights, IL 600041563
(847) 934-7969
Affiliations
Hospitals where providers at Cook County hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Cook County accepts 272 plans from 12 insurers, including HCSC: BCBS Illinois, Cigna, Humana.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Performance
Specialties at Cook County
Provider specialties represented at this practice
Healthcare Providers in Arlington Heights
12 providers practice here
Tareq Alyousef, MD
Cardiovascular Disease (cardiology)
Arlington Heights, IL
Rami Doukky, MD
Cardiovascular Disease (cardiology)
Arlington Heights, IL
Nataliya Pyslar, MD
Cardiovascular Disease (cardiology)
Arlington Heights, IL
Anastasia Barron, DO
Diagnostic Radiology
Arlington Heights, IL
John Keen, MD
Diagnostic Radiology
Arlington Heights, IL
Paul Mullarkey, MD
Diagnostic Radiology
Arlington Heights, IL
Jalpabahen Patel, MD
Family Practice
Arlington Heights, IL
Chiragi Shah, MD
Family Practice
Arlington Heights, IL
Ronald Lubelchek, MD
Infectious Disease
Arlington Heights, IL
Yolanda Escalona, DO
Internal Medicine · Telehealth
Arlington Heights, IL
Megan Kane Towle, PA
Physician Assistant
Arlington Heights, IL
Rohiya Latif
Physician Assistant · Telehealth
Arlington Heights, IL
Frequently Asked Questions
Common questions about Cook County
How many providers are at Cook County?
Cook County has 839 affiliated healthcare providers across 4 locations. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Cook County offer?
The practice includes providers in internal medicine, physician assistant, nurse practitioner, and family practice, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Cook County accept?
Providers at Cook County are collectively in-network with 56 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does Cook County have a quality rating?
The practice's providers have an average MIPS quality score of 78.2 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.
Where is Cook County located?
Cook County's primary location is in Chicago, IL, with 3 additional locations listed on this page. See the contact section for the full address and phone number.
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