Browse Health
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Nicholas Mayer:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Nicholas Mayer is Average. Dr. Mayer has been reviewed by 2 patients who have provided 0 comments. The rating is 3 out of 5 stars.

Specialties & Research

Dr. Nicholas Mayer, DO is board certified in Internal Medicine and Nephrology.

Education & Awards

Dr. Mayer graduated from A.T. Still University - Kirksville.


Dr. Mayer has 5 hospital affiliations:

  • Depaul Health Center 
  • Gateway Regional Medical Center 

> > > > Dr. Nicholas Mayer, DO

Similar doctors nearby

Dr. Kenneth Gerdes

Internal Medicine
28 years experience
Saint Louis, MO

Dr. Suresh Mathew

Internal Medicine
20 years experience
Saint Louis, MO

Dr. Thomas Ryan

Internal Medicine
38 years experience
Saint Louis, MO

Dr. Anahit Cheema

Internal Medicine
Saint Louis, MO

Dr. Mark Woodson

Internal Medicine
27 years experience
Saint Louis, MO

Dr. Osama Qubaiah

Internal Medicine
14 years experience
Saint Louis, MO
Search All Similar Doctors
Additional Information
Dr. Nicholas John Mayer DO is a male Internist, has 8 years of experience and practices in Internal Medicine and Nephrology.
Where does Dr. Nicholas J. Mayer practice?
Dr. Nicholas Mayer has 2 office locations.
Dr. Nicholas Mayer practices Internal Medicine and Nephrology near Saint Louis, MO.
Additional practice locations include: Granite City, IL.
See Saint Louis Internists and Saint Louis Nephrologists.