PROVIDER PROFILE · NPI 1922058437

John KoostraM.D.

Pulmonary DiseaseMonterey, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

846

Unique beneficiaries

—

Total services

1,255

Distinct HCPCS

Medicare payment

$84K

Peer benchmark

Total Medicare services vs. 901 Pulmonary Disease providers in CA — above median (cohort median 927).

PRESCRIBING · PART D · 2024

Total Rx claims

2,514

Beneficiaries

—

Total drug cost

$1.0M

Distinct drugs

Brand share

67.5%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter382 claims

Albuterol Sulfate363 claims

Montelukast Sodium216 claims

Tiotropium Bromide159 claims

Prednisone133 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$3K

Payment records

102

By payment type

Food and Beverage$3K

Education$266

Top paying entities

Food and Beverage$3K

Education$266

REFERRAL NETWORK

Where John Koostra'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). 48 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Ernst Hansch Diagnostic Radiology · Edina, MN	119	248
Andrew Schmidt Diagnostic Radiology · Monterey, CA	107	219
Cary Yeh Diagnostic Radiology · Monterey, CA	94	204
Anthony Filly Diagnostic Radiology · Carmel, CA	76	169
Joan Frisoli Diagnostic Radiology · Monterey, CA	74	177
Robert Gardner Diagnostic Radiology · Monterey, CA	70	129
American Medical Response West Ambulance Service Provider · Salinas, CA	68	118
Karim Tadlaoui Critical Care (Intensivists) · Riverside, CA	58	161
Michael Galloway Cardiology · Salinas, CA	51	239
Harlan Grogin Clinical Cardiac Electrophysiology · Salinas, CA	33	78
Susan Roux Diagnostic Radiology · Newport Beach, CA	30	53
Richard Gerber Interventional Cardiology · Salinas, CA	28	72

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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