What is John Koumas's specialty?

John Koumas (NPI 1134111958) is a Medicare-billing provider whose primary specialty is Family Practice in West Covina, CA.

Where does John Koumas practice?

John Koumas practices in West Covina, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1134111958.

How much does Medicare pay John Koumas?

John Koumas (NPI 1134111958) received approximately $45K in total Medicare Part B payments, serving 198 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1134111958

John KoumasD.O.

PRACTICECITRUS VALLEY PHYSICIAN PARTNERSSee all providers at this practice →

Family PracticeWest Covina, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

331

Unique beneficiaries

—

Total services

515

Distinct HCPCS

Medicare payment

$40K

Peer benchmark

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

Brand share

16.3%

Top prescribed drugs

Amlodipine Besylate240 claims

Atorvastatin Calcium232 claims

Metformin Hcl204 claims

Levothyroxine Sodium192 claims

Losartan Potassium176 claims

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

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$25

Payment records

By payment type

Food and Beverage$25

Top paying entities

Food and Beverage$25

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

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	77	193
EMANATE HEALTH MEDICAL CENTER	30	103
Mary Koumas Family Practice · Lake Forest, CA	26	120
SADDLEBACK MEMORIAL MEDICAL CENTER	22	55
Robert Baker Family Practice · Covina, CA	11	60
Scott Yochim Diagnostic Radiology · Bozeman, MT	11	21

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	92	226
Danica Holt Diagnostic Radiology · West Covina, CA	29	75
SADDLEBACK MEMORIAL MEDICAL CENTER	28	77
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	23	48
Mary Koumas Family Practice · Lake Forest, CA	21	135
EMANATE HEALTH MEDICAL CENTER	21	44
EMANATE HEALTH MEDICAL CENTER	20	77
Scott Yochim Diagnostic Radiology · Bozeman, MT	13	20
Jonathan Tye Cardiology · West Covina, CA	12	49
David Lin Diagnostic Radiology · Omaha, NE	12	28
Robert Baker Family Practice · Covina, CA	11	60
Jimmy Ton Diagnostic Radiology · Sacramento, CA	11	23

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events