Health Care and Social Assistance ·NAICS 621

NAICS 621 · IRS SOI 2013 (C corp) · Census CBP 2023

Ambulatory Health Care Services - Industry Benchmarks

$71,409/yr average annual pay, with 28,481 SBA loans on record for NAICS 621.

6.7%
Net margin
8.7M
Workers employed
$71,409/yr
Avg payroll / employee
$15.4B
SBA lending, FY20–26

Data updated August 2026

The verdict · NAICS 621

Ambulatory Health Care Services runs a 6.7% pre-tax net margin - below the national median - across 702K establishments employing 8.7M workers.

6.7%
Pre-tax net margin (IRS SOI)
8.7M
Workers employed (Census CBP)
$71,409/yr
Avg payroll / employee
$15.4B
SBA lending, FY20–26

Use Ambulatory Health Care Services's NAICS benchmark as a comparison point, not a forecast for one business.

Ambulatory Health Care Services is reported here with financial measures from IRS Statistics of Income and workforce measures from Census County Business Patterns. The page keeps those source systems distinct, shows unavailable fields rather than estimating them, and links the underlying industry context so readers can compare the same NAICS activity before interpreting a margin or payroll figure.

Source: IRS SOI 2013 (C corporation headline) and Census County Business Patterns 2023

Benchmarking Insights for Ambulatory Health Care Services

Ambulatory Health Care Services sits inside Health Care and Social Assistance at a 6.7% net margin (below the national median), $455.9B in aggregate receipts across 370,156 returns, averaging $1.2B per establishment.

701,862 establishments employ 8,697,480 workers (12.4/location) at $71,409/yr average annual pay. California leads employment, followed by Texas and New York.

Ambulatory Health Care Services sits in the 95th percentile for employment and the 72nd percentile for net margin among 3-digit NAICS industries with reported data.

Profit Margin

6.7%

Net income ÷ total receipts (IRS SOI)

Total Receipts

$455.9B

Annual revenue (IRS SOI)

Net Income

$30.6B

Pre-tax net income

Employment

8,697,480

Total employees (Census CBP)

Avg Payroll / Employee

$71,409/yr

Annual compensation

Establishments

701,862

Business locations

Release-over-release change

What changed from Census CBP 2022 to 2023

Employment increased by 295,901; establishment count increased by 23,574. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.

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Where each dollar of Ambulatory Health Care Services revenue goes

Workforce scale

Ambulatory Health Care Services margin vs national reference points

Ambulatory Health Care Services net margin 22.4%
Cross-industry median (5%)

p25/median/p75 = 3%/5%/7%

Business Structure Breakdown

Per-entity IRS SOI tables at their own vintages, shares only when every row shares one year (never mix 2013/2017/2022 populations).

C Corporation SOI 2013
370,156 returns

Margin: 6.7% · Receipts: $455.9B

Sole Proprietorship SOI 2022
1,439,766 returns

Margin: 37.2% · Receipts: $105.4B

Financial Detail

Total Tax Returns Filed
370,156
Avg Receipts per Business
$1.2B
Annual Payroll (Total)
$621.1B
Avg Employees per Establishment
12.4

Sub-Industries

Industry Profit Margin
Home Health Care Services

NAICS 6216

N/A
Medical and Diagnostic Laboratories

NAICS 6215

N/A
Offices of Dentists

NAICS 6212

10.1%
Offices of Other Health Practitioners

NAICS 6213

7.9%
Offices of Physicians

NAICS 6211

5.6%
Other Ambulatory Health Care Services

NAICS 6219

N/A
Outpatient Care Centers

NAICS 6214

5.7%

Top States by Employment

State Employment
California 1,018,478
Texas 779,487
New York 699,456
Florida 587,301
Pennsylvania 402,469
Ohio 313,686
Illinois 300,155
North Carolina 265,325
New Jersey 259,163
Michigan 258,593

Showing top 10 of 51 states

SBA Lending Activity

SBA FY2020–2026

SBA Loans Approved

28,481

Total Loan Volume

$15.4B

Avg Loan Size

$541K

Jobs Supported

339,060

Program Breakdown

7(a) 24,250 (85%)
504 4,231 (15%)

Top SBA Lender

The Huntington National Bank

2,334 loans in this industry

New Business Share

31.9% of borrowers were new/startup businesses

Annual Lending Trend (7 yrs)

2020
3,303
2021
4,738
2022
3,936
2023
4,034
2024
5,363
2025
6,261
2026
846

Frequently Asked Questions

What is the average revenue for Ambulatory Health Care Services?
$455.9B in total annual receipts across all Ambulatory Health Care Services businesses. Average per business: $1.2B.
How profitable is Ambulatory Health Care Services?
6.7% net profit margin, below the national median.
How many businesses are in Ambulatory Health Care Services?
701,862 business establishments. Together they employ 8,697,480 workers.
What is the average payroll per employee in Ambulatory Health Care Services?
$71,409/yr average annual pay per employee. Businesses average 12.4 employees per establishment.
Which states have the most Ambulatory Health Care Services employment?
California leads with 1,018,478 workers. Texas (779,487) and New York (699,456) round out the top three.
How much SBA lending does Ambulatory Health Care Services receive?
Ambulatory Health Care Services businesses received 28,481 SBA loans totaling $15.4 billion between FY2020 and FY2026. The average loan size was $541K. These loans supported 339,060 jobs at origination. Most lending (85%) came through the SBA 7(a) program.

Nationwide industries with similar benchmark drivers

Two IRS/Census peer sets for Ambulatory Health Care Services, both at NAICS level 3 and excluding this code so the neighborhoods are not self-links.

According to Census County Business Patterns 2023, Ambulatory Health Care Services ranks #4 of 77 U.S. industries at the 3-digit NAICS level by total employment. According to IRS SOI 2013 IRS Statistics of Income, its reported pre-tax net margin ranks #21 of 75 at that same detail level.

Similar reported net margin

Nearest peer industries by ABS(IRS pre-tax margin) (6.7% here).

Similar workforce scale

Nearest peer industries by ABS(Census employment) (8,697,480 here).

Read with this industry: Understanding profit margins by industry · Health Care and Social Assistance · Rankings

Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.

Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023

NAICS 621 · CBP 2023 · IRS SOI 2013

According to the U.S. Census Bureau, which released its 2023 County Business Patterns dataset in June 2025, PlainBizBench benchmarks 2,002 U.S. industries against Internal Revenue Service Statistics of Income data. See our methodology for the full compilation process.

Source: U.S. Census Bureau, County Business Patterns / SUSB Industry employment scale, payroll, and firm-size benchmarks · 2023

Every figure on PlainBizBench is rendered directly from federal source data, no number is typed in by an editor. This page aggregates profit-margin, payroll, entity-type, and SBA-lending benchmarks for this industry, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.

Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.