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DR. SYED SAIF ZAHIR D.O.
NPI 1649666900
Internal Medicine in Olympia Fields, IL

Active since April 13, 2015PECOS Enrolled
79.54/100
CMS Quality Rating
20201 CRAWFORD AVE, OLYMPIA FIELDS, IL 60461(844) 740-4445(708) 679-2161 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 23, 2025, Nov 2, 2022, Dec 13, 2021 and 7 more (10 updates tracked since 2018).

About Dr. Syed Saif Zahir D.o. NPPES

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

DR. SYED SAIF ZAHIR D.O. (NPI 1649666900) is an individual internal medicine provider in Olympia Fields, Illinois, licensed in Illinois (036148353) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1649666900
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SYED SAIF ZAHIRCredential: D.O.
Location Address20201 CRAWFORD AVEOlympia Fields, IL 60461-1010
Mailing Address35318 Eagle WayChicago, IL 60678-1353 · (317) 528-4800
Phone(844) 740-4445
Fax(708) 679-2161
Sole ProprietorYes
Enumeration DateApril 13, 2015
Last NPPES UpdateJune 23, 202510 updates tracked since enumeration
NPPES CertifiedJune 23, 2025
✔ NPI 1649666900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036148353✔ Licensed in KY · 04430
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 036148353 (IL), 04430 (KY)
20201 CRAWFORD AVE, Olympia Fields, IL 60461
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Other Names 1

Former Name (1)Saif Syed Zahir Do

Secondary Practice Locations 7

Location 11 Ingalls DrHarvey, IL 60426-3558 · Phone (708) 333-2300
Location 2201 S 14th StHerrin, IL 62948-3631 · Phone (618) 942-2171
Location 32 S Hospital DrMurphysboro, IL 62966-3333 · Phone (618) 684-3156
Location 4405 W Jackson StCarbondale, IL 62901-1462 · Phone (618) 549-0721
Location 5911 Bypass Rd Bldg APikeville, KY 41501-1689 · Phone (606) 218-3500 · Fax (606) 218-4697
Location 61000 Health Center DrMattoon, IL 61938-4644 · Phone (217) 238-4325 · Fax (217) 348-4290
Location 74500 Memorial DrBelleville, IL 62226-5360 · Phone (618) 257-6220

Other Identifiers 1

Medicaid7100550130KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Syed Saif Zahir D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60461 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.54/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.43
Promoting Interoperability100
Improvement Activities40
Cost63.39

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers16 claims16 services$20.02 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers31 claims31 services$103.65 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
3 suppliers25 claims25 services$18.78 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. PRANEET SATYENDRA MYLAVARAPU MD
Hospitalist
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Cook County (708) 855-7297
CHINTAN SHAH DO
Hospitalist
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Cook County (708) 747-4000
MICHAEL JOSEPH MULLAN II PTA
Physical Therapy Assistant
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Cook County (708) 852-2540
MARIA STEPHANIE TICSA
Student in an Organized Health Care Education/Training Program
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Cook County (708) 747-4000
DR. TONI SCOTT-TERRY MD
Obstetrics & Gynecology
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Cook County (708) 679-2160
DR. JOSEPH JOHN ZANGHI D.O.
Urology
20201 CRAWFORD AVE, ATTN: POSTDOCTORAL EDUCATION
OLYMPIA FIELDS, IL 60461
Cook County (708) 747-4000
CONSULTANTS IN PATHOLOGY SC
Pathology (Anatomic Pathology & Clinical Pathology)
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Cook County (708) 747-4000
SAMUEL L MACAGBA JR. MD
Anesthesiology
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Cook County (708) 503-3857

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 Syed Zahir's NPI number?

The NPI number for Syed Zahir is 1649666900. It was assigned to this individual provider in the NPPES registry on April 13, 2015. The provider is also known as Saif Syed Zahir Do.

Where is Syed Zahir located?

Syed Zahir practices at 20201 Crawford Ave, Olympia Fields, IL 60461. The listed phone number is (844) 740-4445.

What is Syed Zahir's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Syed Zahir enrolled in Medicare?

Yes. Syed Zahir is registered in the Medicare PECOS enrollment system.

What insurance does Syed Zahir accept?

Health plans from CareSource list Syed Zahir as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Syed Zahir was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.