Mark Dreyer, MD
Gastroenterology
20+ years in practiceNPI: 1396714861Licensed in WI
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Credentials & Recognition
Specialties
Gastroenterology
NPI sub-specialties
Internal Medicine, Gastroenterology207RG0100X
Practice Signals
Editorial signals beyond credentials. Patient transparency over opacity. See methodology.
Mid-Level (PA/NP) Use
Doctor-led visits
Years in Practice
20+ years
Estimated from NPI enumeration date
Other Gastroenterology Doctors near Wisconsin
View all →Frequently Asked Questions about Dr. Mark Dreyer, MD
Where does Dr. Mark Dreyer, MD practice?+
Dr. Mark Dreyer, MD practices in Wisconsin, WI. 1111 DELAFIELD ST
SUITE 212
WAUKESHA, WI 531883417.
What is Dr. Mark Dreyer, MD's phone number?+
Dr. Mark Dreyer, MD's practice phone is 262-544-8622. Office contact information is verified on the PBCMMG profile.
What does Dr. Mark Dreyer, MD specialize in?+
Dr. Mark Dreyer, MD's primary specialty is Gastroenterology.
Is Dr. Mark Dreyer, MD board certified?+
Board certification status for Dr. Mark Dreyer, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Mark Dreyer, MD been practicing?+
Dr. Mark Dreyer, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Mark Dreyer, MD's NPI number?+
Dr. Mark Dreyer, MD's National Provider Identifier (NPI) is 1396714861, registered in the federal NPPES registry.
Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards
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