PROVIDER PROFILE · NPI 1629067269

Hassan TahsildarM.D.

PRACTICEBELLIN MEMORIAL HOSPITAL INCSee all providers at this practice →

Medical OncologyGreen Bay, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

182

Unique beneficiaries

—

Total services

310

Distinct HCPCS

Medicare payment

$20K

Peer benchmark

Total Medicare services vs. 48 Medical Oncology providers in WI — bottom quintile (cohort median 579).

PRESCRIBING · PART D · 2024

Total Rx claims

974

Beneficiaries

—

Total drug cost

$4.1M

Distinct drugs

Brand share

34.0%

Top prescribed drugs

Anastrozole149 claims

Ibrutinib119 claims

Acyclovir76 claims

Ondansetron Hcl61 claims

Prochlorperazine Maleate47 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$19

Payment records

By payment type

Food and Beverage$19

REFERRAL NETWORK

Where Hassan Tahsildar'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Patti Marquardt Nurse Practitioner · Green Bay, WI	36	527
OCONTO HOSPITAL & MEDICAL CENTER INC	33	519
Robert Monette Diagnostic Radiology · Green Bay, WI	31	88
ARNHOLT, JEFF	29	97
GREWE, GREGORY	29	107
Kevin Mortara Hematology-Oncology · Green Bay, WI	21	122
CARRIGAN, PATRICK	19	76
Kelly Parling-Lynch Hematology-Oncology · Norton Shores, MI	19	163
AURORA MEDICAL CENTER BAY AREA, INC	17	136
Riley Smyth Diagnostic Radiology · Green Bay, WI	16	53
OPOIEN, JAMES	14	47
Rahul Verma Cardiology · Green Bay, WI	14	29

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