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

Dr. Mark Edward Brewster, MD

Individual provider Gastroenterology Physician · NPI 1275773046

Dr. Mark Edward Brewster, MD is a Gastroenterology in Watford City, North Dakota. Graduated from Wayne State University School of Medicine in 2007, 19 years ago. Practices as a sole proprietor and offers telehealth. Licensed in North Dakota.

Years since qualifying
19
Trained at
Wayne State University School of Medicine
Licensed in
ND
In the registry since
2009
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

709 4th Ave NE
Watford City, ND 58854-7628
Phone: (701) 842-3000
Fax: (701) 842-6248
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 20698 (ND)

Record details

NPI number1275773046
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 5, 2009
Last updated in NPPESJuly 23, 2026
Certification dateJuly 23, 2026
Mailing address709 4th Ave Ne, Watford City, ND 58854-7628

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations2 on file with Medicare