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NACHAR, OUSSAMAM.D, PH.D NPI 1174575583 Clinician

Diagnostic Radiology · EDINBURG, TX

Specialty Diagnostic Radiology — from billed Medicare claims
Trained UNIVERSITE LAVAL FACULTE DE MEDECINE DENTAIRE — medical school, self-reported to CMS
In practice about 31 years since medical school (class of 1995, self-reported to CMS)
Location EDINBURG, TX · NPPES registered location
Active in data Billed Medicare 2021–2024 (4 consecutive years)
Scale 20 codes billed · 2,647 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

20212026
RENAISSANCE MEDICAL FOUNDATION
2025–2026
MIGUEL ONETO, MD, PA
2024–2026
MEMORIAL MRI AND DIAGNOSTIC LLC
2021–2026
RENAISSANCE RADIOLOGY ASSOCIATES PLLC
2022–2024
MIGUEL ONETO, MD, PA
2022

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 2022-03

Year: 2024 · 2023 · 2022  · 2021 

Provider overview · all codes · CY2024

The full analytics for this provider

Premium

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
71250 Ct scan of chest without contrast
78815 Nuclear medicine study from skull base to mid-thigh with ct scan
74176 Ct scan of abdomen and pelvis without contrast
71046 X-ray of chest, 2 views
74177 Ct scan of abdomen and pelvis with contrast
78306 Nuclear medicine study of bone and/or joint whole body
70450 Ct scan head or brain without contrast
71260 Ct scan of chest with contrast
78803 Nuclear medicine study, spect imaging, 1 area or single acquisition, single day imaging
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
78264 Nuclear medicine study of stomach to assess emptying
74178 Ct scan of abdomen and pelvis before and after contrast
78227 Nuclear medicine study of liver and bile duct system with use of drugs
A4641 Radiopharmaceutical, diagnostic, not otherwise classified
78708 Nuclear medicine study of kidney, blood, flow, and function with drug administration
78315 Nuclear medicine study of bone taken at different times
78582 Nuclear medicine study of lung ventilation and circulation
71271 Low dose ct scan of chest for lung cancer screening
A9584 Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries

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.