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PROVIDER PROFILE · NPI 1164636262

Yih-Dar NienMD

General SurgeryEncino, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050624
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
76
Beneficiaries
—
Total drug cost
$213
Distinct drugs
2
Brand share
14.5%
Top prescribed drugs
Tramadol Hcl65 claims
Hydrocodone/Acetaminophen11 claims
QUALITY · MIPS · 2024
Final MIPS score
92.8
Quality
78.5
Cost
70.4
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.75%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$52
Payment records
1
By payment type
Food and Beverage$52
Top paying entities
Food and Beverage$52
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
303
Unique beneficiaries
—
Total services
334
Distinct HCPCS
8
Medicare payment
$45K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,763 General Surgery providers in CA — above median (cohort median 269).
REFERRAL NETWORK

Where Yih-Dar Nien'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). 23 inbound referrers · 40 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ANTELOPE VALLEY HEALTH CARE DISTRICT94304
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA35102
Khalid Javeri
Diagnostic Radiology · Santa Monica, CA
3175
VARAPRASATHAN, G.2947
MADHAVAN, SETHU25114
Nimit Sudan
Hematology-Oncology · Encino, CA
23104
Unilab Corporation
Clinical Laboratory · West Hills, CA
2381
David Broumandi
Diagnostic Radiology · Mission Hills, CA
2170
Vijay Trisal
General Surgery · Duarte, CA
1955
Viken Manjikian
Diagnostic Radiology · Eden Prairie, MN
1948
LASK, DAVID1733
Vivaik Tyagi
Gastroenterology · Lancaster, CA
1649
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ANTELOPE VALLEY HEALTH CARE DISTRICT129414
Marcelo Spector
Diagnostic Radiology · New Haven, CT
43114
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA39110
Rajiv Pai
Interventional Radiology · Northridge, CA
3593
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
34102
Unilab Corporation
Clinical Laboratory · West Hills, CA
2992
MADHAVAN, SETHU24102
Hans Schoellhammer
Surgical Oncology · Lancaster, CA
2377
KIYABU, MILTON2242
WILEN, BARRY2295
VARAPRASATHAN, G.2235
Khalid Javeri
Diagnostic Radiology · Santa Monica, CA
2253
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.