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FREY, GREGORYMD NPI 1326225343 Clinician

Interventional Radiology · JACKSONVILLE, FL

Specialty Interventional Radiology — from billed Medicare claims
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Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 26 codes billed · 11,785 disclosed volume (CY2024 — most recent year in data)
Current groups
Hospital affiliations
  • MAYO CLINIC · Hospital · CCN 100151
registry affiliations from the CMS Doctors & Clinicians facility file — an administrative affiliation, not a statement about where care is delivered

Group affiliation since 2019

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Membership spans across every group on this clinician's 2019+ registry record, departed groups included. Membership spans only — no volume is attributed to any group here.

NPPES registry · CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · NPPES record last updated 2020-09
Data year CY2024 CY2023 CY2022  CY2021  CY2020 

Provider overview · all codes · CY2024

The full analytics for this provider

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The full billed-volume analytics for this provider — its position among specialty peers, practice focus, and the payments behind it — computed from the same disclosed Medicare Part B data.

This provider's disclosed submitted charges across all codes were in CY2024. Included with Platform.

  • Charge, service & beneficiary totals — the disclosed scale, all codes
  • Practice profile — focus & reach — top codes by share of services
  • Office vs. facility setting mix — place-of-service code split
  • Peer positioning — service volume — percentile among specialty peers, cohort & year disclosed
  • Peer positioning — code breadth — how many codes billed, vs peers

Peer positioning shows billed-volume and code-breadth positions among specialty peers, not measures of care (a provider's true volume position can only be higher, never lower). All figures disclosed Medicare Part B fee-for-service; volumes are personal to this NPI, not attributed to any group.

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Procedures billed to Medicare Part B (2024)

Medicare Part B FFS · CY2024 · as published by CMS
CodeDescription Volume Beneficiary-episodes Avg charge Avg Medicare payment
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
76937 Ultrasonic guidance for blood vessel access
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes
77001 Fluoroscopic guidance for insertion or removal of central vein access device
75774 Review by radiologist of additional artery image
74174 Ct scan of blood vessels of abdomen and pelvis with contrast
36558 Insertion of tunneled central venous tube for infusion (5 years or older)
36248 Insertion of tube into abdominal, pelvic, or leg artery, additional second, third, and beyond
75984 Review by radiologist of image for replacement of stomach or large bowel tube
36561 Insertion of central venous tube with port (5 years or older)
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch
50688 Change of tube or stent in ureter
36589 Removal of tunneled central venous tube
75726 Review by radiologist of abdominal artery image
71275 Ct scan of blood vessels of chest with contrast
75635 Ct scan of abdominal aorta and both leg arteries with contrast
76380 Limited or follow-up ct scan
49424 Injection of contrast through abdominal cavity tube for x-ray study
49440 Insertion of stomach tube using fluoroscopic guidance with contrast
76080 Review by radiologist of abscess or sinus cavity study
37243 Occlusion of growths or obstructed vessels with review by radiologist
77013 Ct guidance for tissue removal
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)
77263 Complex radiation therapy planning
77022 Mri guidance for tissue removal

Showing the top 25 of 26 procedures this clinician billed. The full list is part of the premium platform. Notify me at launch →

These are this provider's own Medicare Part B fee-for-service volumes (CMS public data). CMS suppresses rows with fewer than 11 beneficiaries, so low-volume codes may be missing entirely — absence is not zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average charge and average Medicare payment are weighted by service volume across office and facility settings. Volumes on this page are personal to the NPI and are not attributed to any physician group. See Methods & Sources.