Here are 100 benchmarking statistics on processes and outcomes at ambulatory surgery centers across the country. Data is compiled from ASC Association surveys, VMG Health's Multi-Specialty Intellimarker and SDI's Outpatient Surgery Profiling Solution.
Net revenue, OR time and outcomes
The following statistics on net revenue are based on data from VMG Health. The statistics on surgery center OR time and outcomes are based on data from the ASC Association's Outcomes Monitoring Project 2nd Quarter 2010 Report.
Average surgery center net revenue: $6,833,000
Average total operating expenses: $4,881,000
Average EBITDA: $2,001,000
Median operating room time per patient encounter: 50.2 minutes
Average procedure room time per patient encounter: 34.2 minutes
Median rate of unscheduled direct transfers: .6 transfers per 1,000 patient encounters
ASCs using a patient satisfaction survey: 99.5 percent
ASCs completing 90 percent of medical records in 30 days: 78.5 percent
ASCs reporting 0 wrong site, side, procedure, implant, patient procedures: 94.7 percent
Case volume, payor mix and staff hours
The following statistics on case volume, payor mix and staff hours per case are based on data from VMG Health's Multi-Specialty Intellimarker 2010.
Case volume
Total cases per center: 4,698
Cases per day: 18.8
Surgical cases per OR (annually): 705
Surgical cases per OR (daily): 2.8
Non-surgical cases per procedure room (annually): 1,169
Non-surgical cases per procedure room (daily): 4.7
Payor mix
Medicare: 25 percent
Medicaid: 5 percent
Commercial: 59 percent
Workers' comp: 6 percent
Self-pay: 5 percent
Other: 7 percent
Staff hours per case
Nurse hours per case: 6.2
Tech hours per case: 2.6
Administrative hours per case: 4.4
Administrator hours per case: 0.6
Total hours per case: 11.0
Affiliated physicians
The following statistics on affiliated physicians are based on data from SDI's Outpatient Surgery Center Profiling Solution, which profiles 81,597 physicians performing procedures at ASCs.
Number of affiliated physicians per ASC
1-5 physicians — 47 percent
6-10 physicians — 18 percent
11-15 physicians — 9 percent
16-25 physicians — 10 percent
26-50 physicians — 10 percent
More than 50 physicians — 6 percent
A/R and Compensation
The following statistics on surgery center accounts receivable and compensation are based on data from the ASC Association's 2010 ASC Employee Salary & Benefits Survey and the ASC Association's Outcomes Monitoring Project 4th Quarter 2010 Report.
Accounts receivable
All reporting ASCs — 39.7 days
Multi-specialty ASCs — 40.3 days
Single-specialty ASCs — 39.2 days
Gastroenterology single-specialty ASCs — 30.1 days
Ophthalmology single-specialty ASCs — 37.0 days
Orthopedic single-specialty ASCs — 52.8 days
Average 2010 Salaries
Certified registered nurse anesthetist: $156,000
Administrator: $93,870
Registered nurse: $60,500
Business office manager: $53,000
Anesthesiologist: $275,000
Instrument technician: $33,280
Operating room technician: $40,000
Managers eligible for bonuses:
• Administrators – 75 percent
• Business office managers – 63 percent
• Directors of nursing – 64 percent
• Materials managers – 53 percent
• Medical directors — 10 percent
Specialties
The following statistics on surgery center specialties are based on data from VMG Health's Multi-Specialty ASC Intellimarker 2010. Specialties are listed in alphabetical order.
ENT
Case volume mix as percent of total cases: 8 percent
Net revenue per case: $1,742
Gross charges per case: $7,066
Discount to charges: 73.6 percent
GI/Endoscopy
Case volume mix as percent of total cases: 24 percent
Net revenue per case: $746
Gross charges per case: $3,216
Discount to charges: 72.3 percent
Average number of cases for single-specialty ASCs: 5,641
General Surgery
Case volume mix as percent of total cases: 8 percent
Net revenue per case: $1,545
Gross charges per case: $5,534
Discount to charges: 68.4 percent
OB/GYN
Case volume mix as percent of total cases: 3 percent
Net revenue per case: $1,757
Gross charges per case: $6,404
Discount to charges: 69.1 percent
Ophthalmology
Case volume mix as percent of total cases: 19 percent
Net revenue per case: $1,227
Gross charges per case: $5,395
Discount to charges: 74.7 percent
Average number of cases for single-specialty ASCs: 2,640
Oral Surgery
Case volume mix as percent of total cases: 1 percent
Net revenue per case: $1,041
Gross charges per case: $3,024
Discount to charges: 65.4 percent
Average number of cases for single-specialty ASCs: 3,036
Orthopedics
Case volume mix as percent of total cases: 17 percent
Net revenue per case: $2,443
Gross charges per case: $8,973
Discount to charges: 70.0 percent
Pain Management
Case volume mix as percent of total cases: 14 percent
Net revenue per case: $898
Gross charges per case: $3,835
Discount to charges: 73.2 percent
Average number of cases for single-specialty ASCs: 4,234
Plastics
Case volume mix as percent of total cases: 5 percent
Net revenue per case: $1,415
Gross charges per case: $6,198
Discount to charges: 68.9 percent
Podiatry
Case volume mix as percent of total cases: 3 percent
Net revenue per case: $1,664
Gross charges per case: $7,061
Discount to charges: 72.7 percent
Urology
Case volume mix as percent of total cases: 3 percent
Net revenue per case: $1,435
Gross charges per case: $5,937
Discount to charges: 68.6 percent
Average number of cases for single-specialty ASCs: 3,487
Sources:
VMG Health
ASC Association
SDI
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6 Questions About Surgery Center Financial Benchmarking: Q&A With Robert Westergard of ASCOA