Business Statistics
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Business statistics · October 10, 2026

How many companies in the “Internal medicine practice” industry are there in North Rhine-Westphalia?

more than 2,700

The B2B database of dieanalysten GmbH alone lists more than 2,700 companies in the “Internal medicine practice” industry in North Rhine-Westphalia, Germany (October 2026). North Rhine-Westphalia ranks #1 of 16 German states with 15.3 per 100,000 inhabitants (national average: 14.6).

Key figures North Rhine-Westphalia

2,779businesses in the database
#1 of 16rank among German states
15.3per 100,000 inhabitants (Germany: 14.6)

Cities in North Rhine-Westphalia

Cologne225
Düsseldorf160
Dortmund96
Essen96
Bonn93
Münster79
Wuppertal67
Bochum61
Duisburg59
Bielefeld50

→ Internal medicine practice in all of Germany

Frequently asked questions

How many companies in the “Internal medicine practice” industry are there in North Rhine-Westphalia?

The B2B database of dieanalysten GmbH alone lists more than 2,700 companies in the “Internal medicine practice” industry in North Rhine-Westphalia, Germany (October 2026). North Rhine-Westphalia ranks #1 of 16 German states with 15.3 per 100,000 inhabitants (national average: 14.6).

Where in North Rhine-Westphalia are most companies in the “Internal medicine practice” industry?

Most are located in Cologne (225), Düsseldorf (160), Dortmund (96).

Cite this number

Suggested citation
The B2B database of dieanalysten GmbH alone lists more than 2,700 companies in the “Internal medicine practice” industry in North Rhine-Westphalia (source: dieanalysten B2B database, October 2026, https://adressen.dieanalysten.com/en/statistics/internal-medicine-practice/north-rhine-westphalia).

The statistics are licensed under CC BY 4.0: free to use, including commercially, with attribution “dieanalysten” and a link.

Method: businesses in the database of dieanalysten GmbH minus a 5% safety margin; businesses in liquidation or with a recognizable closure are excluded. See methodology. As of October 10, 2026.