What is Shahryar Ashouri's specialty?

Shahryar Ashouri (NPI 1609946169) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Westlake Village, CA.

Where does Shahryar Ashouri practice?

Shahryar Ashouri practices in Westlake Village, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1609946169.

How much does Medicare pay Shahryar Ashouri?

Shahryar Ashouri (NPI 1609946169) received approximately $4.6M in total Medicare Part B payments, serving 1,147 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609946169

Shahryar AshouriM.D.

PRACTICEWILLIAM J. FISHER, M.D., FACS, INC.See all providers at this practice →

Hematology-OncologyWestlake Village, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,501

Unique beneficiaries

—

Total services

180,261

Distinct HCPCS

Medicare payment

$2.2M

Peer benchmark

Total Medicare services vs. 957 Hematology-Oncology providers in CA — top quintile (cohort median 4,173).

PRESCRIBING · PART D · 2024

Total Rx claims

712

Beneficiaries

—

Total drug cost

$1.6M

Distinct drugs

Brand share

27.1%

Top prescribed drugs

Anastrozole247 claims

Letrozole61 claims

Rivaroxaban61 claims

Apixaban42 claims

Bicalutamide36 claims

QUALITY · MIPS · 2024

Final MIPS score

87.5

Quality

79.4

Cost

73.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.53%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$54

Payment records

By payment type

Food and Beverage$38

Education$16

Top paying entities

Food and Beverage$38

Education$16

REFERRAL NETWORK

Where Shahryar Ashouri'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). 38 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LOS ROBLES REGIONAL MEDICAL CENTER	171	1,352
Unilab Corporation Clinical Laboratory · West Hills, CA	89	294
Jason Lee Diagnostic Radiology · Thousand Oaks, CA	46	229
Sanjiv Sheel Diagnostic Radiology · Edina, MN	44	195
Catherine Moses Diagnostic Radiology · Thousand Oaks, CA	42	189
David Aufrichtig Diagnostic Radiology · Thousand Oaks, CA	41	172
Barry Klein Diagnostic Radiology · Thousand Oaks, CA	38	166
Martin Palmer Hematology-Oncology · Sequim, WA	36	297
Monica Amantia Diagnostic Radiology · Studio City, CA	32	174
Kyle Himsl Urology · Thousand Oaks, CA	27	87
Melissa Cohen Medical Oncology · Simi Valley, CA	25	442
Pacific Diagnostic Laboratories Clinical Laboratory · Santa Barbara, CA	24	76

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