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

Internal Medicine

Saba Siddiqui, MD

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

Summary

Saba Siddiqui, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Libertyville, IL, Barrington, IL and Arlington Heights, IL. NPI 1225370836. 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 Saba Siddiqui, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
FemaleGender (as listed)
Best Practices Inpatient Care, Ltd.Group practice

Quick answers

Which hospitals does Saba Siddiqui work at?
Medicare's official clinician data lists Saba Siddiqui at 3 hospitals: Advocate Condell Medical Center, Advocate Good Shepherd Hospital and Northwest Community Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Saba Siddiqui see patients?
Medicare's clinician data lists 3 practice locations, including Barrington, IL, Arlington Heights, IL and Libertyville, IL. Call before your visit to confirm the address.
What is Saba Siddiqui's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Saba Siddiqui accept Medicare assignment?
Yes. Medicare's clinician data says Saba Siddiqui 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.
What is the phone number for Saba Siddiqui?
(847) 381-9600, as listed in official Medicare / NPI Registry data.
What is Saba Siddiqui's NPI number?
1225370836. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Saba Siddiqui works

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

Group practices

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

  • Best Practices Inpatient Care, Ltd.82 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Barrington

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

All internal medicine doctors in Barrington →

Clinician information

CredentialMD
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225370836
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