What is Hossein Zarrini's specialty?

Hossein Zarrini (NPI 1558418988) is a Medicare-billing provider whose primary specialty is Family Practice in Las Vegas, NV.

Where does Hossein Zarrini practice?

Hossein Zarrini practices in Las Vegas, NV, based on the location reported in the CMS Medicare provider datasets for NPI 1558418988.

How much does Medicare pay Hossein Zarrini?

Hossein Zarrini (NPI 1558418988) received approximately $12K in total Medicare Part B payments, serving 223 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558418988

Hossein ZarriniM.D.

PRACTICEUNIVERSITY MEDICAL CENTER OF SOUTHERN NEVADASee all providers at this practice →

Family PracticeLas Vegas, NVI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

252

Unique beneficiaries

—

Total services

255

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 636 Family Practice providers in NV — below median (cohort median 400).

PRESCRIBING · PART D · 2024

Total Rx claims

236

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

20.3%

Top prescribed drugs

Prednisone43 claims

Cephalexin35 claims

Nitrofurantoin Monohyd/M-Cryst28 claims

Doxycycline Hyclate24 claims

Amoxicillin/Potassium Clav20 claims

QUALITY · MIPS · 2024

Final MIPS score

89.1

Quality

86.7

Cost

70.1

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.59%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Hossein Zarrini'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Aaron Sasson Diagnostic Radiology · Ithaca, NY	27	49
WILLIAMS, EMILY	24	25
Kim Hwang Diagnostic Radiology · Ithaca, NY	20	34
Lisa Olson-Gugerty Nurse Practitioner · Homer, NY	13	15
Kirwin Gibbs Diagnostic Radiology · Cortland, NY	11	20
Tlc Emergency Medical Services, Inc. Ambulance Service Provider · Cortland, NY	11	18

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