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WALKER, SCOTTMD NPI 1497866081 Clinician

Diagnostic Radiology · TACOMA, WA

Specialty Diagnostic Radiology — from billed Medicare claims
In practice about 25 years since medical school (class of 2001, self-reported to CMS)
Location TACOMA, WA · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 50 codes billed · 29,110 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
MEDICAL IMAGING NORTHWEST - GOOD SAMARITAN HOSPITAL IMAGING ALLIANCE
2019–2026
TRA-MINW P S
2019–2026
UNION AVENUE OPEN MRI LLC
2019–2026

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 2024-09

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
70450 Ct scan head or brain without contrast
72125 Ct scan of upper spine without contrast
72100 X-ray of lower and sacral spine, 2-3 views
70496 Ct scan of blood vessels of head with contrast
70498 Ct scan of blood vessels of neck with contrast
72148 Mri scan of lower spinal canal without contrast
70553 Mri scan of brain before and after contrast
70551 Mri scan of brain without contrast
74177 Ct scan of abdomen and pelvis with contrast
71046 X-ray of chest, 2 views
76536 Ultrasound scan of head and neck soft tissue
70486 Ct scan of face without contrast
72131 Ct scan of lower spine without contrast
71250 Ct scan of chest without contrast
71260 Ct scan of chest with contrast
72040 X-ray of upper spine, 2-3 views
70491 Ct scan of soft tissue of neck with contrast
72141 Mri scan of upper spinal canal without contrast
76770 Complete ultrasound scan behind abdominal cavity
73502 X-ray of hip, 2-3 views
73030 X-ray of shoulder, minimum of 2 views
72072 X-ray of middle spine, 3 views
71271 Low dose ct scan of chest for lung cancer screening
74183 Mri scan of abdomen before and after contrast
74176 Ct scan of abdomen and pelvis without contrast
76700 Complete ultrasound scan of abdomen
76705 Limited ultrasound scan of abdomen
72158 Mri scan of lower spinal canal before and after contrast
74230 Imaging for evaluation of swallowing function
72146 Mri scan of middle spinal canal without contrast
72020 X-ray of spine, 1 view
73630 X-ray of foot, minimum of 3 views
73130 X-ray of hand, minimum of 3 views
74018 X-ray of abdomen, 1 view
72128 Ct scan of middle spine without contrast
74178 Ct scan of abdomen and pelvis before and after contrast
70480 Ct scan of cranial cavity without contrast
72050 X-ray of upper spine, 4-5 views
73562 X-ray of knee, 3 views
73564 X-ray of knee, 4 or more views
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina
72110 X-ray of lower and sacral spine, minimum of 4 views
76856 Complete ultrasound scan of pelvis
76706 Ultrasound scan of abdominal aorta
72070 X-ray of middle spine, 2 views
72156 Mri scan of upper spinal canal before and after contrast
73610 X-ray of ankle, minimum of 3 views
82565 Blood creatinine level

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.