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KAHN, STELLAMD NPI 1366417826 Clinician

Diagnostic Radiology · TUCSON, AZ

Specialty Diagnostic Radiology — from billed Medicare claims
Trained UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE — medical school, self-reported to CMS
In practice about 28 years since medical school (class of 1998, self-reported to CMS)
Location TUCSON, AZ · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 35 codes billed · 11,730 disclosed services (CY2024 — most recent year in data)
Current groups
member of 3 groups; the volumes below are this clinician's personal volume and are not attributed to any single group

Group affiliation since 2019

20192026
AMERICAN ONCOLOGY PARTNERS PA
2025–2026
SANTA CRUZ RADIOLOGY L L C
2019–2026
SOUTHERN ARIZONA RAD ASSOCIATES LLC
2019–2026
ARIZONA ONCOLOGY ASSOCIATES PC
2019–2023
ARIZONA STATE RADIOLOGY PC
2019–2021

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 2021-11

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
A9585 Injection, gadobutrol, 0.1 ml
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
71045 X-ray of chest, 1 view
70450 Ct scan head or brain without contrast
72148 Mri scan of lower spinal canal without contrast
71046 X-ray of chest, 2 views
70553 Mri scan of brain before and after contrast
70551 Mri scan of brain without contrast
72125 Ct scan of upper spine without contrast
70498 Ct scan of blood vessels of neck with contrast
70496 Ct scan of blood vessels of head with contrast
74177 Ct scan of abdomen and pelvis with contrast
72131 Ct scan of lower spine without contrast
73502 X-ray of hip, 2-3 views
73030 X-ray of shoulder, minimum of 2 views
73564 X-ray of knee, 4 or more views
74176 Ct scan of abdomen and pelvis without contrast
71275 Ct scan of blood vessels of chest with contrast
72141 Mri scan of upper spinal canal without contrast
71250 Ct scan of chest without contrast
93976 Ultrasound of abdomen and pelvis artery and vein blood flow
70486 Ct scan of face without contrast
93971 Ultrasound study of one arm or leg veins with compression and maneuvers
73562 X-ray of knee, 3 views
72100 X-ray of lower and sacral spine, 2-3 views
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
76705 Limited ultrasound scan of abdomen
72158 Mri scan of lower spinal canal before and after contrast
73630 X-ray of foot, minimum of 3 views
78815 Nuclear medicine study from skull base to mid-thigh with ct scan
73110 X-ray of wrist, minimum of 3 views
73610 X-ray of ankle, minimum of 3 views
70491 Ct scan of soft tissue of neck with contrast
72128 Ct scan of middle spine without contrast
76770 Complete ultrasound scan behind abdominal cavity

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.