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WRENCH, JOHNMD NPI 1083669675 Clinician

Diagnostic Radiology · SANTA BARBARA, CA

Specialty Diagnostic Radiology — from billed Medicare claims
Trained UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE — medical school, self-reported to CMS
In practice about 41 years since medical school (class of 1985, self-reported to CMS)
Location SANTA BARBARA, CA · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 82 codes billed · 22,036 disclosed services (CY2024 — most recent year in data)
Current groups

Group affiliation since 2019

20192026
CALIFORNIA MANAGED IMAGING MEDICAL GROUP INC
2019–2026
I. GROSSMAN M.D., INC.
2023–2024
I. GROSSMAN M.D., INC.
2021
PUEBLO RADIOLOGY MEDICAL GROUP INC
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 2007-10

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 Services Beneficiary-episodes Avg charge Avg Medicare payment
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
J1010 Injection, methylprednisolone acetate, 1 mg
A9576 Injection, gadoteridol, (prohance multipack), per ml
A9579 Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml
71045 X-ray of chest, 1 view
72148 Mri scan of lower spinal canal without contrast
74177 Ct scan of abdomen and pelvis with contrast
71250 Ct scan of chest without contrast
70450 Ct scan head or brain without contrast
71046 X-ray of chest, 2 views
77080 Dxa bone density measurement of hip, pelvis, spine
73502 X-ray of hip, 2-3 views
73564 X-ray of knee, 4 or more views
74176 Ct scan of abdomen and pelvis without contrast
71260 Ct scan of chest with contrast
73030 X-ray of shoulder, minimum of 2 views
72141 Mri scan of upper spinal canal without contrast
73562 X-ray of knee, 3 views
73630 X-ray of foot, minimum of 3 views
73700 Ct scan of leg without contrast
73721 Mri scan of leg joint without contrast
70551 Mri scan of brain without contrast
72125 Ct scan of upper spine without contrast
76770 Complete ultrasound scan behind abdominal cavity
70486 Ct scan of face without contrast
71275 Ct scan of blood vessels of chest with contrast
74018 X-ray of abdomen, 1 view
72131 Ct scan of lower spine without contrast
74178 Ct scan of abdomen and pelvis before and after contrast
J1100 Injection, dexamethasone sodium phosphate, 1 mg
73560 X-ray of knee, 1-2 views
70498 Ct scan of blood vessels of neck with contrast
93880 Ultrasound of both sides of head and neck blood flow
72100 X-ray of lower and sacral spine, 2-3 views
70496 Ct scan of blood vessels of head with contrast
70553 Mri scan of brain before and after contrast
76536 Ultrasound scan of head and neck soft tissue
73221 Mri scan of arm joint without contrast
76705 Limited ultrasound scan of abdomen
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level
93971 Ultrasound study of one arm or leg veins with compression and maneuvers
72170 X-ray of pelvis, 1-2 views
73130 X-ray of hand, minimum of 3 views
J1030 Injection, methylprednisolone acetate, 40 mg
72197 Mri scan of pelvis before and after contrast
74174 Ct scan of blood vessels of abdomen and pelvis with contrast
72146 Mri scan of middle spinal canal without contrast
73110 X-ray of wrist, minimum of 3 views
72040 X-ray of upper spine, 2-3 views
62323 Injection of substance into lower spine canal using imaging guidance
72110 X-ray of lower and sacral spine, minimum of 4 views
93925 Ultrasound of leg arteries or artery grafts
73610 X-ray of ankle, minimum of 3 views
76856 Complete ultrasound scan of pelvis
93970 Ultrasound study of arm or leg veins with compression and maneuvers
76700 Complete ultrasound scan of abdomen
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina
71271 Low dose ct scan of chest for lung cancer screening
70491 Ct scan of soft tissue of neck with contrast
72195 Mri scan of pelvis without contrast
73552 X-ray of thigh bone, minimum 2 views
73718 Mri scan of leg without contrast
73080 X-ray of elbow, minimum of 3 views
73590 X-ray of lower leg, 2 views
73200 Ct scan of arm without contrast
71101 X-ray of ribs on side of body, minimum of 3 views
74183 Mri scan of abdomen before and after contrast
93976 Ultrasound of abdomen and pelvis artery and vein blood flow
62328 Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance
36410 Insertion of needle into vein (3 years or older)
70544 Mri scan of blood vessels of head without contrast
72050 X-ray of upper spine, 4-5 views
76937 Ultrasonic guidance for blood vessel access
93926 Ultrasound of one leg arteries or artery grafts
72192 Ct scan of pelvis without contrast
73660 X-ray of toe, minimum of 2 views
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow
72070 X-ray of middle spine, 2 views
72158 Mri scan of lower spinal canal before and after contrast
73020 X-ray of shoulder, 1 view
73060 X-ray of upper arm, minimum of 2 views
75571 Ct scan of heart with evaluation of blood vessel calcium

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.