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NGUYEN, GERARDM.D. NPI 1982946281 Clinician

Diagnostic Radiology · NEWPORT BEACH, CA

Specialty Diagnostic Radiology — from billed Medicare claims
Trained UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE — medical school, self-reported to CMS
In practice about 13 years since medical school (class of 2013, self-reported to CMS)
Location NEWPORT BEACH, CA · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 69 codes billed · 5,028 disclosed services (CY2024 — most recent year in data)
Current groups

Group affiliation since 2019

20192026
SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP
2025–2026
NEWPORT CENTER RADIOLOGY ASSOCIATES MEDICAL GROUP INC
2020–2025
NEWPORT HARBOR RADIOLOGY ASSOCIATES MEDICAL GROUP INC
2020–2025
MARTIN LUTHER KING JR COMMUNITY MEDICAL GROUP
2019
UCLA RADIOLOGY MEDICAL GROUP
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 2025-07

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
71045 X-ray of chest, 1 view
74177 Ct scan of abdomen and pelvis with contrast
71046 X-ray of chest, 2 views
72197 Mri scan of pelvis before and after contrast
70450 Ct scan head or brain without contrast
76700 Complete ultrasound scan of abdomen
76856 Complete ultrasound scan of pelvis
74183 Mri scan of abdomen before and after contrast
71250 Ct scan of chest without contrast
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina
76770 Complete ultrasound scan behind abdominal cavity
71275 Ct scan of blood vessels of chest with contrast
74176 Ct scan of abdomen and pelvis without contrast
76536 Ultrasound scan of head and neck soft tissue
71260 Ct scan of chest with contrast
74018 X-ray of abdomen, 1 view
78815 Nuclear medicine study from skull base to mid-thigh with ct scan
75574 Ct scan of blood vessels and grafts of heart with contrast
73030 X-ray of shoulder, minimum of 2 views
74174 Ct scan of blood vessels of abdomen and pelvis with contrast
93971 Ultrasound study of one arm or leg veins with compression and maneuvers
76376 3d radiographic procedure
73630 X-ray of foot, minimum of 3 views
72148 Mri scan of lower spinal canal without contrast
72125 Ct scan of upper spine without contrast
73502 X-ray of hip, 2-3 views
73130 X-ray of hand, minimum of 3 views
93970 Ultrasound study of arm or leg veins with compression and maneuvers
70553 Mri scan of brain before and after contrast
72100 X-ray of lower and sacral spine, 2-3 views
73560 X-ray of knee, 1-2 views
78816 Nuclear medicine study whole body with ct scan
70551 Mri scan of brain without contrast
73110 X-ray of wrist, minimum of 3 views
73564 X-ray of knee, 4 or more views
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes
72110 X-ray of lower and sacral spine, minimum of 4 views
74178 Ct scan of abdomen and pelvis before and after contrast
76705 Limited ultrasound scan of abdomen
72170 X-ray of pelvis, 1-2 views
73552 X-ray of thigh bone, minimum 2 views
74230 Imaging for evaluation of swallowing function
72141 Mri scan of upper spinal canal without contrast
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow
72131 Ct scan of lower spine without contrast
74181 Mri scan of abdomen without contrast
75580 Analysis of data from ct study of heart blood vessels to assess severity of heart artery disease, with interpretation and report
76882 Limited ultrasound scan of joint or other extremity structure except blood vessels
76981 Ultrasound scan of organ tissue for measuring elasticity
77012 Review by radiologist of ct guidance for needle placement
73610 X-ray of ankle, minimum of 3 views
73080 X-ray of elbow, minimum of 3 views
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect
72040 X-ray of upper spine, 2-3 views
73590 X-ray of lower leg, 2 views
73700 Ct scan of leg without contrast
72195 Mri scan of pelvis without contrast
93880 Ultrasound of both sides of head and neck blood flow
76870 Ultrasound scan of scrotum
76942 Ultrasonic guidance for needle placement
93976 Ultrasound of abdomen and pelvis artery and vein blood flow
38222 Biopsy and aspiration of bone marrow sample for diagnosis
70491 Ct scan of soft tissue of neck with contrast
70496 Ct scan of blood vessels of head with contrast
10005 Fine needle aspiration biopsy using ultrasound guidance, first growth
70544 Mri scan of blood vessels of head without contrast
71101 X-ray of ribs on side of body, minimum of 3 views
70498 Ct scan of blood vessels of neck with contrast
74170 Ct scan of abdomen before and after contrast

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.