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PROVIDER PROFILE · NPI 1346234564

John TretterM.D.

CardiologyCasa Grande, AZI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
4,201
Beneficiaries
—
Total drug cost
$1.1M
Distinct drugs
48
Brand share
35.8%
Top prescribed drugs
Atorvastatin Calcium464 claims
Apixaban421 claims
Metoprolol Succinate304 claims
Losartan Potassium249 claims
Amlodipine Besylate218 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$848
Payment records
43
By payment type
Food and Beverage$848
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,679
Unique beneficiaries
—
Total services
2,082
Distinct HCPCS
16
Medicare payment
$136K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 363 Cardiology providers in AZ — below median (cohort median 2,847).
REFERRAL NETWORK

Where John Tretter'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). 42 inbound referrers · 85 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BANNER HEALTH4491,190
NPI 140703055499137
Timothy Olthoff
Diagnostic Radiology · Prescott, AZ
98176
Robert Mccarver
Diagnostic Radiology · Miami, FL
74151
Christian Ingui
Diagnostic Radiology · Laredo, TX
70116
Richard Rosenblum
Diagnostic Radiology · Houston, TX
68154
Gerald Muthu
Internal Medicine · Casa Grande, AZ
68303
Anne Borik
Internal Medicine · Casa Grande, AZ
62150
Imran Kazem
Diagnostic Radiology · West Lafayette, IN
5384
Ryan Southworth
Emergency Medicine · Casa Grande, AZ
4977
Ziad El Khoury
Cardiology · Chandler, AZ
45107
Linda Assaf
Emergency Medicine · Farmington Hills, MI
4374
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Ashok Solsi
Cardiology · Chandler, AZ
234669
Sonora Quest Laboratories Llc
Clinical Laboratory · Phoenix, AZ
233724
BANNER HEALTH219579
Jason Cool
Internal Medicine · Phoenix, AZ
150587
Rajeesh Punnakkattu
Pulmonary Disease · Casa Grande, AZ
90220
Brian Zernich
Diagnostic Radiology · Phoenix, AZ
75146
NPI 140703055473112
Christian Ingui
Diagnostic Radiology · Laredo, TX
73134
Ziad El Khoury
Cardiology · Chandler, AZ
68228
Timothy Olthoff
Diagnostic Radiology · Prescott, AZ
64145
Amer Khan
Internal Medicine · Torrance, CA
59157
Yoosif Abdalla
Nephrology · Washington, DC
56112
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.