Health plans and insurers

CountyCare Health Plan

Phone, published email, fax, addresses and the next step for your office.

14 contact routesNo directory research calls placed

provider services

Provider Services

Official page read
Phone312-864-8200Published hours

Monday-Friday, 8am-5pm CST

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

CountyCare (Cook County HealthChoice Illinois Medicaid MCO) provider services; toll-free 855-444-1661, TDD/TTY 711. Same numbers are published for Member Services.

View source ↗ · Source checked 2026-10-24

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

eligibility benefits

Member eligibility — automated IVR and Provider Services

Official page read
Phone855-444-1661Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

Touch-tone automated member eligibility IVR on the provider services numbers (toll-free 855-444-1661); eligibility also via the provider portal or state MEDI system.

View source ↗ · Source checked 2026-10-24

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

claims

Medical claims — paper claim mailing address

Official page read
Phone312-864-8200Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address
CountyCare Health Plan P O Box 211592 Eagan, MN 55121-2892

Paper medical claims (Payer ID 06541)

Paper medical claims mailing address and electronic Payer ID 06541 (provider manual 09.08.26). Timely filing 180 days; claim reviews/disputes/appeals within 60 days of EOP. Dental claims go to Avesis.

View source ↗ · Source checked 2026-10-24

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

prior authorization

Medical Management and Prior Authorization Department

Official page read
Phone855-444-1661Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

PA questions and phone requests; requests also through the secure portal (Identifi/Availity).

View source ↗ · Source checked 2026-10-24

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

fax prior auth

Inpatient medical prior authorization fax

Official page read
Phone

No phone listed for this route

Fax

800-856-9434

Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

Fax the Inpatient Prior Authorization Form.

View source ↗ · Source checked 2026-10-24

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fax prior auth

Outpatient medical prior authorization fax

Official page read
Phone

No phone listed for this route

Fax

866-209-3703

Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

Fax the Outpatient Prior Authorization Form (manual also lists this fax for medical pharmacy).

View source ↗ · Source checked 2026-10-24

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behavioral health

Behavioral health prior authorization fax

Official page read
Phone

No phone listed for this route

Fax

800-498-8217

Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

Fax the Behavioral Health Authorization Form.

View source ↗ · Source checked 2026-10-24

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prior authorization

Evolent Specialty Services (formerly New Century Health) — medical oncology, cardiology, radiology oncology

Official page read
Phone888-999-7713Fax

702-726-5186

Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

Menu guidance in the source record

Option 1

Menus can change. No live call verification is claimed.

Adult medical oncology, cardiology, radiology or radiation oncology authorization requests (option 1); online via the Evolent/New Century portal.

View source ↗ · Source checked 2026-10-24

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

prior authorization

Evolent Specialty Services (formerly NIA) — PT/OT/ST, MSK surgery, pain management, advanced imaging

Official page read
Phone800-424-1732Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

Request via RadMD or by phone per the provider manual.

View source ↗ · Source checked 2026-10-24

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

pharmacy prior auth

Pharmacy prior authorization — CVS Caremark

Official page read
Phone

No phone listed for this route

Fax

866-255-7569

Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

All pharmacy and specialty pharmacy PA requests: fax the Caremark Medication Request Form or Universal PA Form. Pharmacy help desk number differs between pages (1-833-845-4702 vs 1-800-364-6331) and is omitted.

View source ↗ · Source checked 2026-10-24

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dental

Dental prior authorization — Avesis

Official page read
Phone866-337-1594Published hours

Not published in this record

Product, plan and location

medicaid · dental
Illinois

Mailing address

Not researched for this route

Dental prior authorization via the Avesis portal or phone.

View source ↗ · Source checked 2026-10-24

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

vision

Vision prior authorization — Avesis

Official page read
Phone866-337-1596Published hours

Not published in this record

Product, plan and location

medicaid · vision
Illinois

Mailing address

Not researched for this route

Vision prior authorization via portal or phone.

View source ↗ · Source checked 2026-10-24

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

appeals grievances

Provider complaints — written submissions

Official page read
Phone312-864-8200Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address
CountyCare Health Plan P.O. Box 21153 Eagan, MN 55121

Written provider complaints

Provider complaints about policies, procedures or administrative functions in writing; disputes also via the provider dispute portal process.

View source ↗ · Source checked 2026-10-24

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

fax other

Critical incident reporting

Official page read
Phone855-444-1661Fax

312-637-8312

Published hours

Not published in this record

Product, plan and location

medicaid
Illinois

Mailing address

Not researched for this route

Report incidents (abuse, neglect, exploitation) involving CountyCare members using the incident form by phone, fax or email.

View source ↗ · Source checked 2026-10-24

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

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