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COLBY, GARRETTM.D. NPI 1003018870 Clinician

Diagnostic Radiology · BIRMINGHAM, AL

Specialty Diagnostic Radiology — from billed Medicare claims
Trained UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE — medical school, self-reported to CMS
In practice about 20 years since medical school (class of 2006, self-reported to CMS)
Location BIRMINGHAM, AL · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 33 codes billed · 2,865 disclosed services (CY2024 — most recent year in data)
Current groups
member of 4 groups; the volumes below are this clinician's personal volume and are not attributed to any single group

Group affiliation since 2019

20192026
COLUMBUS DIAGNOSTIC CENTER INC
2025–2026
PRO RADIOLOGY LLC
2025–2026
COASTAL IMAGING SOLUTIONS LLC
2024–2026
SYNERGY RADIOLOGY LLC
2024–2026
OPEN MRI OF TIFTON LLC
2025
WEST JEFFERSON RADIOLOGY LLC
2020–2024
BIRMINGHAM RADIOLOGICAL GROUP PC
2019

The roster archive begins in 2019, so a span starting at 2019 may reach back further. 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 2015-07

Year: 2024 · 2023 · 2022  · 2021  · 2020 

Provider overview · all codes · CY2024

The full analytics for this provider

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The billed-volume positioning, practice focus, and economics behind this provider — computed on the same disclosed Medicare Part B data.

This provider's disclosed Medicare payments across all codes were in CY2024. Unlock to see the figure.

  • Payment, 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
  • Volume over five years — discrete yearly counts, no rate
  • 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 Services Beneficiary-episodes Avg charge Avg Medicare payment
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
71045 X-ray of chest, 1 view
71046 X-ray of chest, 2 views
70450 Ct scan head or brain without contrast
74177 Ct scan of abdomen and pelvis with contrast
72148 Mri scan of lower spinal canal without contrast
74176 Ct scan of abdomen and pelvis without contrast
76770 Complete ultrasound scan behind abdominal cavity
71250 Ct scan of chest without contrast
76705 Limited ultrasound scan of abdomen
73721 Mri scan of leg joint without contrast
73502 X-ray of hip, 2-3 views
77067 Screening mammography
73030 X-ray of shoulder, minimum of 2 views
73221 Mri scan of arm joint without contrast
72141 Mri scan of upper spinal canal without contrast
72125 Ct scan of upper spine without contrast
74178 Ct scan of abdomen and pelvis before and after contrast
74018 X-ray of abdomen, 1 view
77080 Dxa bone density measurement of hip, pelvis, spine
71260 Ct scan of chest with contrast
71275 Ct scan of blood vessels of chest with contrast
76700 Complete ultrasound scan of abdomen
73564 X-ray of knee, 4 or more views
73630 X-ray of foot, minimum of 3 views
74019 X-ray of abdomen, 2 views
70553 Mri scan of brain before and after contrast
72100 X-ray of lower and sacral spine, 2-3 views
72131 Ct scan of lower spine without contrast
76981 Ultrasound scan of organ tissue for measuring elasticity
70551 Mri scan of brain without contrast
73130 X-ray of hand, minimum of 3 views
72146 Mri scan of middle spinal canal without contrast

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.