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PROVIDER PROFILE · NPI 1134111958

John KoumasD.O.

PRACTICECITRUS VALLEY PHYSICIAN PARTNERSSee all providers at this practice →
Family PracticeWest Covina, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050382
Hospital
CCN 050603
Hospital
REFERRAL NETWORK

Where John Koumas'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). 6 inbound referrers · 12 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
77193
EMANATE HEALTH MEDICAL CENTER30103
Mary Koumas
Family Practice · Lake Forest, CA
26120
SADDLEBACK MEMORIAL MEDICAL CENTER2255
Robert Baker
Family Practice · Covina, CA
1160
Scott Yochim
Diagnostic Radiology · Bozeman, MT
1121
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
92226
Danica Holt
Diagnostic Radiology · West Covina, CA
2975
SADDLEBACK MEMORIAL MEDICAL CENTER2877
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
2348
Mary Koumas
Family Practice · Lake Forest, CA
21135
EMANATE HEALTH MEDICAL CENTER2144
EMANATE HEALTH MEDICAL CENTER2077
Scott Yochim
Diagnostic Radiology · Bozeman, MT
1320
Jonathan Tye
Cardiology · West Covina, CA
1249
David Lin
Diagnostic Radiology · Omaha, NE
1228
Robert Baker
Family Practice · Covina, CA
1160
Jimmy Ton
Diagnostic Radiology · Sacramento, CA
1123
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.
QUALITY · MIPS · 2024
Final MIPS score
82.3
Quality
52.9
Cost
70.8
Improvement activities
40.0
Promoting interop.
93.0
Payment adjustment
0.31%
Group
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
331
Unique beneficiaries
—
Total services
515
Distinct HCPCS
5
Medicare payment
$40K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 8,228 Family Practice providers in CA — above median (cohort median 411).
PRESCRIBING · PART D · 2024
Total Rx claims
3,251
Beneficiaries
—
Total drug cost
$167K
Distinct drugs
73
Brand share
16.3%
Top prescribed drugs
Amlodipine Besylate240 claims
Atorvastatin Calcium232 claims
Metformin Hcl204 claims
Levothyroxine Sodium192 claims
Losartan Potassium176 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$25
Payment records
1
By payment type
Food and Beverage$25