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RUEHM, STEFANMD NPI 1669416632 Clinician

Diagnostic Radiology · LOS ANGELES, CA

Specialty Diagnostic Radiology — from billed Medicare claims
In practice about 34 years since medical school (class of 1992, self-reported to CMS)
Location LOS ANGELES, CA · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 47 codes billed · 50,003 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
CLINICA MEDICA PACOIMA
2026
MARTIN LUTHER KING JR COMMUNITY MEDICAL FOUNDATION
2023–2026
UCLA RADIOLOGY MEDICAL GROUP
2023–2026
REGENTS OF THE UNIVERSITY OF CALIFORNIA
2023
MARTIN LUTHER KING JR COMMUNITY MEDICAL FOUNDATION
2019–2021
UCLA RADIOLOGY MEDICAL GROUP
2019–2021
REGENTS OF THE UNIVERSITY OF CALIFORNIA
2019–2020

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 2025-03

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
A9585 Injection, gadobutrol, 0.1 ml
A9575 Injection, gadoterate meglumine, 0.1 ml
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
93922 Ultrasound study of arm and leg arteries
G0506 Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
99497 Advance care planning, first 30 minutes
76706 Ultrasound scan of abdominal aorta
71046 X-ray of chest, 2 views
92540 Evaluation and testing for balance with recording
75574 Ct scan of blood vessels and grafts of heart with contrast
99442 Telephone medical discussion with physician, 11-20 minutes
96130 Evaluation of psychological test, first hour
71250 Ct scan of chest without contrast
99406 Smoking and tobacco use intensive counseling, 4-10 minutes
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
71045 X-ray of chest, 1 view
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
36415 Insertion of needle into vein for collection of blood sample
93971 Ultrasound study of one arm or leg veins with compression and maneuvers
71275 Ct scan of blood vessels of chest with contrast
71260 Ct scan of chest with contrast
76800 Ultrasound scan of spinal canal
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
76700 Complete ultrasound scan of abdomen
99483 Assessment of and care planning for patient with impaired thought processing, typically 60 minutes
75561 Mri scan of heart before and after contrast
93970 Ultrasound study of arm or leg veins with compression and maneuvers
76881 Complete ultrasound scan of joint
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
74174 Ct scan of blood vessels of abdomen and pelvis with contrast
75565 Mri scan of blood flow of heart
93925 Ultrasound of leg arteries or artery grafts
76872 Ultrasound scan of pelvic region through rectum
93880 Ultrasound of both sides of head and neck blood flow
75635 Ct scan of abdominal aorta and both leg arteries with contrast
93924 Ultrasound of leg arteries at rest and after exercise
71555 Mri scan of blood vessels of chest
76770 Complete ultrasound scan behind abdominal cavity
72191 Ct scan of blood vessels of pelvis with contrast
74185 Mri scan of blood vessels of abdomen
G0447 Face-to-face behavioral counseling for obesity, 15 minutes
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts
93923 Complete ultrasound study of arm and leg arteries
76536 Ultrasound scan of head and neck soft tissue

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.