National reference · CMS 2023

U.S. Medical Procedure Cost Statistics

According to the Centers for Medicare & Medicaid Services (CMS), in 2023 providers billed Medicare for 9,297 distinct procedure codes across 56 states and 5,426 hospitals, on average about 4.1x what Medicare actually paid. This page distils those headline figures from the CMS Medicare Physician & Other Practitioners dataset (2023), per the methodology described below; data last compiled March 2026.

Updated March 15, 2026 · Source: CMS, 2023

9,297
procedure codes priced from CMS data
4.1x
typical billed charge vs. Medicare (volume-weighted)
3.4B
annual Medicare Part B services

The national picture

Across 9,297 procedures billed to Medicare in 2023, the typical service is billed about 4.1x what Medicare actually pays — a gap driven almost entirely by hospital and physician chargemaster list prices, not by what insurers or Medicare reimburse.

4.1x
typical markup over Medicare (volume-weighted)
9,297
procedure codes priced
56
states & territories covered
5,426
hospitals in the dataset

Source: CMS Medicare Physician & Other Practitioners, 2023. Markup = submitted charge ÷ Medicare payment (volume-weighted; drug-administration codes excluded to avoid sub-$1-denominator artifacts).

Key figures

Procedures priced

9,297

HCPCS / CPT codes

Typical markup

4.1x

billed vs. Medicare, volume-weighted

States & territories

56

Hospitals in dataset

5,426

Annual Part B services

3.4B

3,410,971,712 services

Avg Medicare payment

$384.96

per service, all codes

Markup by procedure category

Average markup ratio for the highest-volume procedure categories. Even routine categories are billed several times the Medicare rate; blood test runs the highest at about 6.4x.

Average markup by procedure category

Drugs (Administered)4.2 xMedicine5.6 xOffice Visit4 xTemporary Codes3.4 xMedical Supplies3.3 xDME (Temporary)3.3 xBlood Test6.4 xHospital Visit4.1 x
Average markup by procedure category — Submitted charge ÷ Medicare payment, averaged within each category (drug-administration codes excluded)

Highest-markup common procedures

High-volume procedures (over 1,000 annual services) where the billed charge runs furthest above the Medicare rate.

Procedure Medicare Billed Markup
Placement Of Skin Electrodes And Measurement Of Stim CPT 95938 $44.15 $3,375.08 76.4x
Measurement Of Brain Wave Activity (eeg) Outside The CPT 95955 $43.54 $3,186.41 73.2x
Cell-Based Immunofluorescence (cba) Detection Of Aqu CPT 86052 $11.80 $684.11 58.0x
Needle Measurement Of Electrical Activity In Arm, Le CPT 95870 $16.05 $876.87 54.6x
Cell-Based Immunofluorescence (cba) Detection Of Mye CPT 86362 $11.80 $582.53 49.4x
Exam Of Lung Airways Using An Endoscope CPT 31623 $13.64 $663.76 48.6x
Elisa Detection Of Aquaporin-4 (neuromyelitis Optica CPT 86051 $11.30 $517.12 45.8x
Placement Of Skin Electrodes And Measurement Of Cent CPT 95939 $98.40 $4,356.26 44.3x

Using these statistics

National averages set the baseline; your specific procedure and state are what you actually pay.

  • Look up any of the 9,297 procedures for its Medicare rate, billed charge, and markup percentile. Browse procedures
  • See which states bill the most above Medicare in the rankings. Rankings
  • Estimate your own out-of-pocket cost by procedure and state. Cost estimator

Figures are averages computed from CMS public data and exclude drug-administration codes from markup calculations to avoid sub-$1-denominator artifacts. They are benchmarks, not quotes.

Source: CMS Medicare Physician & Other Practitioners dataset, 2023 CMS Medicare Physician & Other Practitioners dataset, 2023 National averages, volume-weighted