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PROVIDER PROFILE · NPI 1174507099

Nicholas NissenM.D.

PRACTICEPCX BILLING SYSTEMSSee all providers at this practice →
General SurgeryLos Angeles, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 059135
Home health agency
CCN 050224
Hospital
CCN 050455
Hospital
CCN 050625
Hospital
CCN 050761
Hospital
QUALITY · MIPS · 2024
Final MIPS score
93.2
Quality
77.8
Cost
71.2
Improvement activities
40.0
Promoting interop.
98.0
Payment adjustment
0.77%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$3K
Payment records
14
By payment type
Travel and Lodging$2K
Food and Beverage$613
PRESCRIBING · PART D · 2024
Total Rx claims
243
Beneficiaries
—
Total drug cost
$436K
Distinct drugs
6
Brand share
78.6%
Top prescribed drugs
Lipase/Protease/Amylase146 claims
Pantoprazole Sodium40 claims
Prednisone12 claims
Lipase/Protease/Amylase12 claims
Dolutegravir Sodium11 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
854
Unique beneficiaries
—
Total services
1,466
Distinct HCPCS
15
Medicare payment
$177K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,763 General Surgery providers in CA — top quintile (cohort median 269).
REFERRAL NETWORK

Where Nicholas Nissen'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). 42 inbound referrers · 95 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
105416
Alessandro Dagnolo
Diagnostic Radiology · Los Angeles, CA
48169
Cindy Kallman
Diagnostic Radiology · Los Angeles, CA
4398
Maha Guindi
Pathology · West Hollywood, CA
41168
Jason Aaronson
Diagnostic Radiology · Los Angeles, CA
38104
Michael Witkosky
Diagnostic Radiology · Sacramento, CA
37115
Elton Tourje
Diagnostic Radiology · Los Angeles, CA
36128
Vladimir Donchev
General Surgery · Tamarac, FL
3093
Georgios Voidonikolas
General Surgery · West Hollywood, CA
3093
Katherine Haker
Diagnostic Radiology · Los Angeles, CA
30122
NPI 111492357029180
Laith Jamil
Gastroenterology · Royal Oak, MI
29232
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CEDARS-SINAI MEDICAL CENTER4073,044
Unilab Corporation
Clinical Laboratory · West Hills, CA
90371
CEDARS-SINAI MEDICAL CENTER88399
Rola Saouaf
Diagnostic Radiology · Los Angeles, CA
71201
Navid Mehrpoo
Diagnostic Radiology · West Hollywood, CA
63261
Ashley Wachsman
Diagnostic Radiology · Los Angeles, CA
61240
Mamata Chithriki
Diagnostic Radiology · Los Angeles, CA
60195
Irene Chen
Diagnostic Radiology · Los Angeles, CA
43104
Xunzhang Wang
Clinical Cardiac Electrophysiology · Los Angeles, CA
40137
Alessandro Dagnolo
Diagnostic Radiology · Los Angeles, CA
39121
Georgios Voidonikolas
General Surgery · West Hollywood, CA
39139
Michael Shehata
Clinical Cardiac Electrophysiology · West Hollywood, CA
39121
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.