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PROVIDER PROFILE · NPI 1043248453

John GretesMD

PRACTICERIVERSIDE PHYSICIAN SERVICES INCSee all providers at this practice →
NephrologyGloucester, VAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 492646
Dialysis facility
CCN 490052
Hospital
CCN 490130
Hospital
CCN 490143
Hospital
CCN 491308
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
774
Unique beneficiaries
—
Total services
1,174
Distinct HCPCS
14
Medicare payment
$123K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 218 Nephrology providers in VA — below median (cohort median 1,566).
PRESCRIBING · PART D · 2024
Total Rx claims
2,805
Beneficiaries
—
Total drug cost
$225K
Distinct drugs
42
Brand share
6.2%
Top prescribed drugs
Amlodipine Besylate340 claims
Carvedilol205 claims
Losartan Potassium172 claims
Spironolactone169 claims
Furosemide161 claims
REFERRAL NETWORK

Where John Gretes'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). 49 inbound referrers · 110 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
RIVERSIDE HOSPITAL INC3763,175
Spectra East, Inc.
Clinical Laboratory · Rockleigh, NJ
74371
Steven Irby
Diagnostic Radiology · Newport News, VA
71244
RAI CARE CENTERS OF VIRGINIA I, LLC71690
Jon Elliott
Diagnostic Radiology · Newport News, VA
61203
Shafqat Ashai
Internal Medicine · Ahoskie, NC
53277
MURPHY, ALLAN52336
Edward Chu
Interventional Cardiology · Newport News, VA
50311
Paul Micale
Cardiology · Newport News, VA
49380
Dennie Bartol
Diagnostic Radiology · Newport News, VA
47130
Aaron Wilson
Internal Medicine · Norfolk, VA
47294
Thomas Pincus
Diagnostic Radiology · Newport News, VA
44142
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
RIVERSIDE HOSPITAL INC4925,310
RIVERSIDE MIDDLE PENINSULA HOSPITAL INC2923,343
Laboratory Corporation Of America Holdings
Clinical Laboratory · Burlington, NC
113612
Timothy Farrell
Diagnostic Radiology · Newport News, VA
80299
Spectra East, Inc.
Clinical Laboratory · Rockleigh, NJ
75358
David Schengber
Diagnostic Radiology · Newport News, VA
74289
RAI CARE CENTERS OF VIRGINIA I, LLC731,159
Steven Irby
Diagnostic Radiology · Newport News, VA
65227
Daniel Langdon
Interventional Cardiology · Newport News, VA
61346
William Harris
Interventional Cardiology · Newport News, VA
60368
Paul Micale
Cardiology · Newport News, VA
59389
Yizhi Liang
Diagnostic Radiology · Newport News, VA
58216
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
94.9
Quality
92.9
Cost
0.0
Improvement activities
40.0
Promoting interop.
94.9
Payment adjustment
0.84%
APM Entity
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$132
Payment records
9
By payment type
Food and Beverage$104
Education$28