NEVVI Medicare utilization intelligence
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Market snapshot

Nationwide CY2024

Medicare Part B FFS · CY2024 · as published by CMS
36221 Insertion of tube into chest aorta for diagnosis or treatment with review by radiologist CPT · Standard X-ray imaging
Classification Imaging › Standard X-ray (CMS RBCS)
First observed 2013 — start of our 12-year window; the code predates it
National scale 120 services ▼ 21.6% YoY · 119 beneficiaries (CY2024, Medicare FFS)
Medicare paid $10K · $84.88 avg / service, national
CMS descriptor · RBCS classification · Medicare Part B physician/supplier claims, 12-year window
Billing groups

5

Named groups billing this code
Named-group FFS services

69

Attributable volume · fee-for-service
FFS of Medicare

49%

Payer-mix frame
Services · year over year
Services YoY

-21.6%

FFS enrollment -2.2%
Volume, not care. A shrinking fee-for-service denominator is not a shrinking market.
Estimated all-Medicare volume estimate
FFS + estimated MA

~141 services

69 observed fee-for-service (49%) · ~72 estimated Medicare Advantage.

Scaled from the observed floor by each state’s fee-for-service share (FFS share as of 2024) — scaled estimate — assumes MA utilization mirrors FFS; not an observation. How we scale
Top states — 36221 (CY2024)
RI 32 AZ 24 FL 19 GA 12 AL 11

Disclosed Medicare fee-for-service services by billing state; open a bar for that state's ranked market.

Billed → allowed → paid
Named-group submitted charges
$104K
Named-group allowed amount
$8K
Named-group Medicare payments
$6K
Avg charge / svc
$1,504
Avg allowed / svc
$123
Avg payment / svc
$90
Totals are named-group (attributable) sums. Allowed is Medicare’s fee-schedule recognized price — what CMS recognizes, before the 80% Medicare pays.
Average charge per group
$224 5 groups · avg submitted charge / service $5,353
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Data year: CY2024 CY2023 CY2022  CY2021  CY2020 
# Physician group City St Specialty Providers 36221 svcs Submitted charges Avg charge Medicare $ Share* Phone
1 YUMA CARDIOLOGY ASSOCIATES PC YUMA AZ CARDIOVASCULAR DISEASE (CARDIOLOGY) 9 24 $14,856 $619 100.0% (928) 341-9522
2 THE EMORY CLINIC INC ATLANTA GA NURSE PRACTITIONER 3484 12 $64,236 $5,353 100.0% (404) 778-7525
3 MERCY CLINIC PITTSBURG LLC PITTSBURG KS CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 43 11 $2,463 $224 100.0% (620) 235-7900
4 SOUTHERN CALIFORNIA MULTI-SPECIALTY CENTER INC SHERMAN OAKS CA VASCULAR SURGERY 16 11 $11,748 $1,068 100.0% (818) 900-6480
5 WIREGRASS CLINIC LLC DOTHAN AL NURSE PRACTITIONER 67 11 $10,479 $953 100.0% —

*Share of the state's disclosed Medicare-FFS services for the primary code, counted once per clinician. "St" is the state the volume was billed from: a group appears in each state where its clinicians bill Medicare, with that state's volume and share ("City" is the group's registered location). Group figures sum clinicians affiliated with exactly one group; clinicians in several groups are listed in each group's drill-down but not volume-attributed to any single group, so shares reflect attributable volume. See Methods.

Comparing against an all-payer estimate?

These are exact counts from Medicare fee-for-service claims — roughly a third to half of most procedure markets, depending on payer mix. Modeled all-payer databases project the remainder statistically; we publish the audited floor and label it as such. Same market, different denominator. How the numbers reconcile →