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Family Practice

Alex Kostiv, MD

Works at hospitals in Libertyville, IL · Evanston, IL · Arlington Heights, IL · Illinois

Summary

Alex Kostiv, MD (Family Practice) is listed by Medicare at 3 hospitals in Libertyville, IL, Evanston, IL and Arlington Heights, IL. NPI 1639317217. 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 Alex Kostiv, 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
31Years since medical school (graduated 1995)
MaleGender (as listed)
Kirill Zhadovich, M.D., S.C.Group practice

Quick answers

Which hospitals does Alex Kostiv work at?
Medicare's official clinician data lists Alex Kostiv at 3 hospitals: Advocate Condell Medical Center, Northshore University Healthsystem - Evanston Hospital and Northwest Community Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alex Kostiv see patients?
Medicare's clinician data lists 1 practice location in Niles, IL. Call before your visit to confirm the address.
What is Alex Kostiv's specialty?
Medicare lists Family Practice as the primary specialty.
Does Alex Kostiv accept Medicare assignment?
Yes. Medicare's clinician data says Alex Kostiv 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 Alex Kostiv offer telehealth?
Medicare's clinician data says Alex Kostiv offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alex Kostiv?
(847) 825-0800, as listed in official Medicare / NPI Registry data.
What is Alex Kostiv's NPI number?
1639317217. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alex Kostiv works

Medicare's Facility Affiliation Data lists Alex Kostiv 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 Alex Kostiv is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alex Kostiv as a member of this group (CMS data updated 2026-10-02).

  • Kirill Zhadovich, M.D., S.C.4 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Niles

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

All family doctors in Niles →

Clinician information

CredentialMD
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639317217
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