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CROCKER, JOHNMD NPI 1598732299 Clinician

Diagnostic Radiology · JACKSON, TN

Specialty Diagnostic Radiology — from billed Medicare claims
Trained UNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE — medical school, self-reported to CMS
In practice about 35 years since medical school (class of 1991, self-reported to CMS)
Location JACKSON, TN · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 52 codes billed · 2,843 disclosed volume (CY2024 — most recent year in data)
Current groups
member of 2 groups; the volumes below are this clinician's personal volume and are not attributed to any single group

Group affiliation since 2019

20192026
JACKSON MADISON COUNTY GENERAL HOSPITAL
2026
JACKSON RADIOLOGY ASSOCIATES PA
2019–2026
JACKSON CLINIC PA
2023–2024
JACKSON CLINIC PA
2020–2021
WEST TENNESSEE KIDNEY SPECIALISTS P.C.
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 2017-04

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. Included with Platform.

  • 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 Volume Beneficiary-episodes Avg charge Avg Medicare payment
71045 X-ray of chest, 1 view
71275 Ct scan of blood vessels of chest with contrast
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes
75574 Ct scan of blood vessels and grafts of heart with contrast
75635 Ct scan of abdominal aorta and both leg arteries with contrast
71046 X-ray of chest, 2 views
70498 Ct scan of blood vessels of neck with contrast
74177 Ct scan of abdomen and pelvis with contrast
70496 Ct scan of blood vessels of head with contrast
93971 Ultrasound study of one arm or leg veins with compression and maneuvers
70450 Ct scan head or brain without contrast
74018 X-ray of abdomen, 1 view
74174 Ct scan of blood vessels of abdomen and pelvis with contrast
76937 Ultrasonic guidance for blood vessel access
49083 Drainage of fluid from abdominal cavity using imaging guidance
77001 Fluoroscopic guidance for insertion or removal of central vein access device
93880 Ultrasound of both sides of head and neck blood flow
71250 Ct scan of chest without contrast
77012 Review by radiologist of ct guidance for needle placement
93970 Ultrasound study of arm or leg veins with compression and maneuvers
49440 Insertion of stomach tube using fluoroscopic guidance with contrast
32555 Aspiration of fluid from chest cavity using imaging guidance
93925 Ultrasound of leg arteries or artery grafts
76942 Ultrasonic guidance for needle placement
36558 Insertion of tunneled central venous tube for infusion (5 years or older)
74176 Ct scan of abdomen and pelvis without contrast
71260 Ct scan of chest with contrast
77002 Fluoroscopic guidance for needle placement
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
36589 Removal of tunneled central venous tube
22514 Treatment of broken lower spine bone with placement of stabilizing device
36015 Insertion of tube into artery of lobe of lung
20610 Aspiration and/or injection of fluid from large joint
37184 Primary removal and dissolving of blood clot from artery or artery graft using fluoroscopic guidance, initial vessel
36581 Replacement of tunneled central venous tube
38222 Biopsy and aspiration of bone marrow sample for diagnosis
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
47000 Needle biopsy of liver through skin
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
37191 Insertion of vena cava filter with review by radiologist
47490 Insertion of tube into gallbladder using imaging guidance with review by radiologist
74170 Ct scan of abdomen before and after contrast
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)
76705 Limited ultrasound scan of abdomen
93926 Ultrasound of one leg arteries or artery grafts
10005 Fine needle aspiration biopsy using ultrasound guidance, first growth
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
20206 Needle biopsy of muscle
36561 Insertion of central venous tube with port (5 years or older)
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes

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.