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

Dr. Nathan Robertson, MD

Individual provider Internal Medicine Physician · NPI 1124439252

Dr. Nathan Robertson, MD is an Internal Medicine in Saint Louis, Missouri. Graduated from Saint Louis University School of Medicine in 2014, 12 years ago. Practices with Mercy Clinic Adult Hospitalists - St Louis, LLC, a 141-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
12
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

621 S New Ballas Rd Ste 112A
Saint Louis, MO 63141-8252
Phone: (314) 251-6339
Fax: (314) 251-4564
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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 2017013105 (MO)

Record details

NPI number1124439252
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2014
Last updated in NPPESNovember 18, 2021
Certification dateNovember 18, 2021

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 2014 (12 years in practice)
Group practice Mercy Clinic Adult Hospitalists - St. Louis, Llc — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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