Advantages of DoctorMill

One of the largest physician panels in Japan


DoctorMill is one of the largest physician panels in Japan, comprising more than 150,000 of the country’s 300,000 doctors. By striving to continually improve research quality and precision, and rigorously managing our membership, we have achieved a concordance rate of over 99% with Nihon Ultmarc Inc. We can also carry out accurate target matching using Nihon Ultmarc Inc.’s Doctor Computer File (DCF*) physician codes.

* Japan Altmark‘s doctor code

Ability to filter doctors for a variety of specific diseases and needs


Besides medical treatment charges, you can also filter by number of hospital beds and age of doctors. You can also narrow down further based on patient numbers and other factors with screening surveys that compare doctors’ past cases.

Fast, high-quality service, leveraging our track record as Japan’s top Online Research Company*


We can help you find the survey method that best suits your needs, with our proprietary online research system capable of producing a wide range of outputs and our extensive track record in Marketing Research.

* Based on market share for online market research, calculated as follows: Revenues related to online market research for Macromill, Inc. (unconsolidated), Dentsu Macromill Insight, Inc., and H.M. Marketing Research (fiscal year ended June 2020) ÷ Estimated size of the online research portion of the market research market / ad hoc research in Japan according to the Japan Marketing Research Association (2019; Source: 45th Survey on Marketing Research Business Conditions , September 16, 2020, published by the Japan Marketing Research Association)

We can provide more detailed information upon request.

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