Physician Data for Marketing and Research
Reach healthcare providers (HCPs) through IQVIA’s verified physician data, including access to information on titles, addresses, emails, and more. The OneKey database of physicians includes all the information you need for advertising to doctors, as well as hospital-based residents. This national physician data bank – validated every year by Alliance for Audited Media– offers accurate, up-to-date doctor data for marketing to physicians, email campaigns with email addresses of doctors, verifying physician credentials, and more for all your medical HCP data needs. Additionally, our database serves as a comprehensive national doctor database and U.S. doctors database for all your marketing needs.

Leverage IQVIA’s database of physicians to improve sales and marketing success for your: mailing lists, email campaigns, insurance, continuing medical education (CME), recruitment services, webinar invitations, influencer programs, patient compliance programs, software and technology, medical equipment and supplies, office needs, and publications.

Get a quote for your needs.
OneKey database features
Includes 1.18 million unique physician contacts Featuring 1.72 million unique emails
Audited annually by Alliance for Audited Media Delivered by flat file or API
Data appending service available Updated daily for accuracy
Complete the form to get a quote for your needs.
By selecting this box, I consent to receiving marketing communications and information about IQVIA's offering by email.
The physician data includes:
• Business address
• DEA, NPI, State License
• Office manager
• Email address
• Medical school and practice history
• Number of employees on site
• Fax number
• Medical school and practice history
• Average patient volume
• Specialty information
• Group practice name
• EHR and PMS

The OneKey Solution

Extend your coverage of healthcare professionals, organizations, and affiliations through OneKey – a best-of-breed healthcare professional, institution, and affiliation reference data solution from IQVIA.

With more than 10.9 million healthcare professionals, 2.9 million email addresses, and more than 751,000 healthcare organizations, OneKey connects your organization to a single reference data standard. Through our targeting and analytical capabilities OneKey helps you understand customer access, value, and potential. This makes it an ideal database for marketing to doctors.
Verified Data
Because up-to-date, verified data is essential, IQVIA continuously updates and enhances the OneKey database through a blend of primary research, transactional data, customer change requests, and trusted government and industry sources. This ensures that our National Provider Identifier data is always current and reliable.
About IQVIA and OneKey
The OneKey reference database from IQVIA is a direct result of integration from three premiere brands: IMS Health, SK&A, and Healthcare Data Solutions.

Looking to reach more healthcare providers? IQVIA’s OneKey database includes over 248 physician specialties to choose from. You may also be interested in our doctor emails, physician data, NPI numbers, integrated health systems data, medical office managers mailing list, physician prescribing data, and more from IQVIA.
See more innovation at IQVIA
OneKey Web

Web-based portal for searching healthcare professionals, organizations, and affiliations.


Email Report – Putting Data into Practice
Insights and predictions for HCP marketing based on analysis of 154 million HCP emails.


OneKey reference dataset
OneKey unites all your commercial activities together with a single, comprehensive reference dataset.

Copyright © 2026 IQVIA Holdings Inc. and its affiliates. All rights reserved. Privacy Statement

DO NOT SELL MY PERSONAL INFORMATION