Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Ryan T. Cook, DO

Works at hospitals in Chicago, IL · Illinois

Summary

Ryan T. Cook, DO (Family Practice) is listed by Medicare at 2 hospitals in Chicago, IL. NPI 1962068965. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ryan T. Cook, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
7Years since medical school (graduated 2019)
MaleGender (as listed)
Presence Healthcare ServicesGroup practice

Quick answers

Which hospitals does Ryan T. Cook work at?
Medicare's official clinician data lists Ryan T. Cook at 2 hospitals: Presence Saint Joseph Hospital - Chicago and Presence Saints Mary and Elizabeth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ryan T. Cook see patients?
Medicare's clinician data lists 2 practice locations, including Chicago, IL. Call before your visit to confirm the address.
What is Ryan T. Cook's specialty?
Medicare lists Family Practice as the primary specialty.
Does Ryan T. Cook accept Medicare assignment?
Yes. Medicare's clinician data says Ryan T. Cook accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Ryan T. Cook offer telehealth?
Medicare's clinician data says Ryan T. Cook offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ryan T. Cook?
(312) 770-2000, as listed in official Medicare / NPI Registry data.
What is Ryan T. Cook's NPI number?
1962068965. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ryan T. Cook works

Medicare's Facility Affiliation Data lists Ryan T. Cook at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ryan T. Cook is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ryan T. Cook as a member of this group (CMS data updated 2026-10-02).

  • Presence Healthcare Services71 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All family doctors in Chicago →

Clinician information

CredentialDO
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962068965
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians