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PROVIDER PROFILE · NPI 1174560825

Harry MarshakM.D.

OphthalmologyPalm Desert, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050573
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,308
Unique beneficiaries
—
Total services
6,735
Distinct HCPCS
16
Medicare payment
$232K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).
QUALITY · MIPS · 2024
Final MIPS score
88.7
Quality
77.3
Cost
0.0
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.57%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
634
Beneficiaries
—
Total drug cost
$8K
Distinct drugs
8
Brand share
64.8%
Top prescribed drugs
Neomycin/Polymyxin B/Dexametha264 claims
Cephalexin138 claims
Doxycycline Monohydrate61 claims
Bacitracin/Polymyxin B Sulfate56 claims
Tobramycin/Dexamethasone54 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$186
Payment records
6
By payment type
Food and Beverage$186
Top paying entities
Food and Beverage$186
REFERRAL NETWORK

Where Harry Marshak'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). 17 inbound referrers · 35 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
EISENHOWER MEDICAL CENTER2941,171
SCHMIDT, STEVEN4297
DESERT REGIONAL MEDICAL CENTER, INC.2864
TENET HEALTHSYSTEM DESERT INC.2133
Unilab Corporation
Clinical Laboratory · West Hills, CA
2060
Bayani Evangelista
Diagnostic Radiology · Rancho Mirage, CA
1926
John Cutrone
Diagnostic Radiology · Columbus, GA
1723
Eye Surgery Center Of The Desert
Ambulatory Surgical Center · Rancho Mirage, CA
1723
Koushan Siami-Namini
Pathology · Rancho Mirage, CA
1632
Kristopher Foreman
Diagnostic Radiology · Rancho Mirage, CA
1623
Payam Abrishami
Dermatology · Agoura Hills, CA
1421
Hong Ho
Ophthalmology · Artesia, CA
1324
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
EISENHOWER MEDICAL CENTER2641,084
Eye Surgery Center Of The Desert
Ambulatory Surgical Center · Rancho Mirage, CA
89141
NAKATA, MICHAEL55101
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
3368
DESERT REGIONAL MEDICAL CENTER, INC.2451
Kristopher Foreman
Diagnostic Radiology · Rancho Mirage, CA
2331
Unilab Corporation
Clinical Laboratory · West Hills, CA
2248
Patti Richardson
Pathology · Rancho Mirage, CA
2131
Michael Milligan
Dermatology · Rancho Mirage, CA
2142
Barbara Comess
Pathology · Rancho Mirage, CA
2033
SCHMIDT, STEVEN1738
Brandon Burk
Diagnostic Radiology · Rancho Mirage, CA
1723
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.