OLGA ZARKH MD
NPI 1356544944
Clinic/Center - Multi-Specialty in Buffalo Grove, IL

Active since June 09, 2007
135 N ARLINGTON HEIGHTS RD STE 160, BUFFALO GROVE, IL 60089(847) 818-7700(848) 818-1718 Get Directions Write a Review

NPPES record last updated: January 18, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 22, 2021, May 18, 2021, Mar 22, 2021 (3 updates tracked since 2021).

About Olga Zarkh Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OLGA ZARKH MD (NPI 1356544944) is a healthcare organization registered as a multi-specialty in Buffalo Grove, Illinois and active in the NPI registry since June 2007. The organization lists Olga Zarkh, Owner, as its authorized official.

NPPES Registry Identity

NPI1356544944
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NamePERSONAL DOCTOR OLGA ZARKH MD LTD
Location Address135 N ARLINGTON HEIGHTS RD STE 160Buffalo Grove, IL 60089-8216
Mailing Address135 N Arlington Heights Rd Ste 160Buffalo Grove, IL 60089-8216 · (847) 818-7700 · Fax (848) 818-1718
Fax(848) 818-1718
Organization SubpartNo
Authorized OfficialOlga ZarkhOwner · (847) 818-7700
Enumeration DateJune 9, 2007
Last NPPES UpdateJanuary 18, 20243 updates tracked since enumeration
NPPES CertifiedJanuary 18, 2024
✔ NPI 1356544944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
License✔ Licensed in IL · 036109468
135 N ARLINGTON HEIGHTS RD STE 160, Buffalo Grove, IL 60089

Other Names 1

Doing Business AsOlga Zarkh Md

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Olga Zarkh Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Olga Zarkh MD, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Internal Medicine
NPI 1043282320
135 N ARLINGTON HEIGHTS RD STE 160
Buffalo Grove, IL 60089
(847) 818-7700
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1558630616
1401 W DUNDEE RD SUITE 202
Buffalo Grove, IL 60089
(847) 818-7700
✔ PECOS1.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Personal Doctor Olga Zarkh MD Ltd's NPI number?

The NPI number for Personal Doctor Olga Zarkh MD Ltd is 1356544944. It was assigned to this organization in the NPPES registry on June 9, 2007. The provider is doing business as Olga Zarkh MD.

Where is Personal Doctor Olga Zarkh MD Ltd located?

Personal Doctor Olga Zarkh MD Ltd is located at 135 N Arlington Heights Rd Ste 160, Buffalo Grove, IL 60089. The listed phone number is (847) 818-7700.

What is Personal Doctor Olga Zarkh MD Ltd's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Is Personal Doctor Olga Zarkh MD Ltd enrolled in Medicare?

Yes. Personal Doctor Olga Zarkh MD Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Personal Doctor Olga Zarkh MD Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Personal Doctor Olga Zarkh MD Ltd, in Internal Medicine and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Personal Doctor Olga Zarkh MD Ltd was last updated on January 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.