NAICS 621111

Physician Practices in San Bernardino, CA

The 5 ZIP codes assigned to San Bernardino contained 97 Medical Practice establishments in 2023, of which 19 employed 10 or more people.

Establishments (2023)
97
5 ZIP codes
10 or more employees
19
Practical financing floor
Share of county
8%
San Bernardino County
City population
222,044
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to San Bernardino (92404, 92405, 92408, 92410, 92411). ZIP areas are not municipal boundaries: they can extend beyond city limits and are shared between neighbouring places. This is a count of establishments in San Bernardino's ZIP codes, not a count of businesses inside its city limits.

Establishments by size

Employee-count distribution. For most buyers the businesses worth pursuing sit in the 5 to 49 range: large enough to have a manager and real systems, small enough to be owner-operated.

EmployeesEstablishmentsShareDistribution
1-45051.5%
5-91818.6%
10-191111.3%
20-4988.2%

How this market compares

San Bernardino against every other city in California on the same measure. City figures cover the ZIP codes assigned to the place rather than its municipal boundary, so they are compared as a share of the businesses in those same ZIP codes rather than per resident. Cities with fewer than 500 businesses in total are left unranked.

Typical2.72% of local businesses, against 2.85% statewide

About the same slice of the local business base as the industry holds statewide.

Vs state share
-5%
Share of local businesses
Rank by count
#69
of 373 cities
Rank by share
#130
of 297 ranked
Since 2020
+3%
Change in establishments

This compares how much of San Bernardino’s business base is physician practices, against the California figure. Base: 3,569 establishments across all industries in the same ZIP codes, 2023. It does not measure revenue, profitability or whether a market is worth entering.

Business size mix

San Bernardino is more consolidated than California as a whole: fewer micro-operators and a larger share of businesses with real headcount. Fewer targets, but the ones that exist are more likely to be financeable.

Share of establishmentsSan BernardinoCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer51.5%65.6%-14.1%
5 to 49 employeesThe range most individual buyers target38.1%27.4%+10.7%
10 or more employeesPractical floor for acquisition financing19.6%12.9%+6.7%

Nearest comparable markets

The closest places to San Bernardino that also have Medical Practice establishments on record. Useful for spotting a gap next door, or realising the market you are looking at is already served from the town over.

MarketEstablishmentsVs state share
Rialto18-49%
Colton33+33%
Loma Linda44n/a
Highland13-21%
Grand Terrace6n/a

The wider San Bernardino County market

Employment and payroll are reported at county level only, so the figures below describe the county San Bernardino sits in.

County establishments (2023)
1,202
San Bernardino County
County employees
11,149
Mid-March employment
County annual payroll
$1.2B
All establishments
Full Medical Practice data for San Bernardino County

What acquirers look at

California’s corporate practice of medicine doctrine restricts lay ownership, so deals are structured as MSO arrangements. Not a first acquisition for an unlicensed buyer.

Other industries in San Bernardino

Nearby cities

Sources

  1. U.S. Census Bureau, 2023 ZIP Code Business Patterns. Establishment counts and size distribution by ZIP code and NAICS, aggregated over the ZIP codes assigned to each city. Retrieved 2026-09-08.
  2. U.S. Census Bureau, 2023 County Business Patterns. Establishment counts, employment and annual payroll by NAICS. Retrieved 2026-09-08.
  3. U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages (2026Q1). Quarterly establishment counts and employment for employers covered by unemployment insurance. Retrieved 2026-09-08.