What is Syed Zahir's specialty?

Syed Zahir (NPI 1538156732) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Elgin, IL.

Where does Syed Zahir practice?

Syed Zahir practices in Elgin, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1538156732.

How much does Medicare pay Syed Zahir?

Syed Zahir (NPI 1538156732) received approximately $6.3M in total Medicare Part B payments, serving 653 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1538156732

Syed ZahirM.D.

Hematology-OncologyElgin, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,447

Unique beneficiaries

—

Total services

206,032

Distinct HCPCS

Medicare payment

$3.1M

Peer benchmark

Total Medicare services vs. 444 Hematology-Oncology providers in IL — top quintile (cohort median 1,266).

PRESCRIBING · PART D · 2024

Total Rx claims

2,096

Beneficiaries

—

Total drug cost

$4.0M

Distinct drugs

Brand share

33.3%

Top prescribed drugs

Tramadol Hcl154 claims

Ruxolitinib Phosphate134 claims

Warfarin Sodium115 claims

Hydrocodone/Acetaminophen93 claims

Apixaban89 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

By payment type

Food and Beverage$2K

Education$299

Top paying entities

Food and Beverage$2K

Education$299

REFERRAL NETWORK

Where Syed Zahir's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 96 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CENTEGRA CLINICAL LABORATORIES, LLC	195	1,803
Nirav Shah Diagnostic Radiology · Mchenry, IL	134	672
Veerpal Singh Hematology-Oncology · Elgin, IL	126	2,166
Rajini Manjunath Hematology-Oncology · Elgin, IL	125	1,630
HUMMEL, MILTON	109	590
James Link Diagnostic Radiology · Mchenry, IL	105	508
Michael Rechitsky Diagnostic Radiology · Mchenry, IL	88	379
Mohammad Kizilbash Cardiology · Mchenry, IL	77	352
Christopher Chan Interventional Radiology · Mchenry, IL	76	431
Robert Mandal Medical Oncology · Elgin, IL	68	543
Ernest Conti Diagnostic Radiology · Mchenry, IL	68	345
Elissa Brebach Diagnostic Radiology · Mchenry, IL	67	280

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events