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

Nathaniel Robert Stewart, MD

Individual provider Family Medicine Physician · NPI 1063773422

Nathaniel Robert Stewart, MD is an Internal Medicine in Granger, Indiana. Graduated from Indiana University School of Medicine in 2012, 14 years ago. Practices with Saint Joseph Regional Medical Center Inc, a 141-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Indiana.

Years since qualifying
14
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

12563 State Rd 23
Granger, IN 46530-9226
Phone: (574) 335-8300
Fax: (574) 335-0775
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1949 Hospital Dr, Martinsville, IN 46151-1861 — (765) 342-8383
  • 1122 S Ironwood Dr, South Bend, IN 46615 — (574) 335-8399

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 01073332A (IN)

Record details

NPI number1063773422
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2012
Last updated in NPPESJune 25, 2024
Certification dateJune 25, 2024
Mailing address707 Cedar St Ste 200, South Bend, IN 46617-2057

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE, FAMILY PRACTICE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Saint Joseph Regional Medical Center Inc — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Granger