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PROVIDER PROFILE · NPI 1265427595

Choon KooM.D.

PRACTICEEXCEL PATHOLOGYSee all providers at this practice →
PathologyUpland, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050099
Hospital
CCN 051312
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
903
Unique beneficiaries
—
Total services
1,469
Distinct HCPCS
18
Medicare payment
$39K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,209 Pathology providers in CA — above median (cohort median 1,423).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Choon Koo'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). 22 inbound referrers · 31 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
John Goffigan
Diagnostic Radiology · Edina, MN
76118
San Antonio Ambulatory Surgical Center, Llc
Ambulatory Surgical Center · Upland, CA
6773
CANIZALES, CARLOS5686
AKAMINE, JAMES3959
Stuart Berry
Diagnostic Radiology · Rancho Cucamonga, CA
3662
Unilab Corporation
Clinical Laboratory · West Hills, CA
2846
Bipin Patadia
Cardiology · Upland, CA
2746
EL YOUSEF, SABA2334
Christopher Tsai
Urology · Upland, CA
2353
BASIM Z. ABDELKARIM, M.D., INC.2224
PALENCHAR, BARTHOLOMEW2025
Altaf Ali
Cardiology · Chino, CA
1921
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SAN ANTONIO REGIONAL HOSPITAL237418
Chuang Hung
Gastroenterology · Upland, CA
62194
SCHULTZ, CARL3664
AKAMINE, JAMES3464
Suneet Pramanik
Diagnostic Radiology · Los Angeles, CA
3141
David Dang
Diagnostic Radiology · Upland, CA
3145
Peter Yoo
Diagnostic Radiology · Upland, CA
2840
John Goffigan
Diagnostic Radiology · Edina, MN
2545
NPI 13563787562446
Christopher Tsai
Urology · Upland, CA
2368
CANIZALES, CARLOS2137
Brian Spivack
General Surgery · Rancho Cucamonga, CA
1944
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.