Open Google Maps at URL - https://www.google.com/maps. In the google maps search bar, type the query (ex - Doctors in New Delhi) you want to extract the data about.
On the results page, use pagination icon (>) to receive more results on the Google Maps result page as shown in the image.
Open "G Maps Extractor" Extension from the list of your installed extensions. You will see list of results on the extension popup.
Get the results in .CSV format by clicking [Merge List] button and continue to press the [Export Results] button that appears.
Press [Reset List] if you want to start over again.