Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Nicholas Joseph Trottier, MD, MPH

Individual provider General Practice Physician · NPI 1558859199

Dr. Nicholas Joseph Trottier, MD, MPH is an Internal Medicine in Saint Louis, Missouri. Graduated from Saint Louis University School of Medicine in 2022, 4 years ago. Licensed in Missouri.

Years since qualifying
4
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2018
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

621 S New Ballas Rd
Saint Louis, MO 63141-8232
Phone: (314) 251-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2019029014 (MO)
General Practice Physician Taxonomy 208D00000X · Licence 2019029014 (MO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1558859199
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedApril 30, 2018
Last updated in NPPESJune 14, 2023
Certification dateJune 14, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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