Mark Edward Brewster, M.D.
Gastroenterology Physician · Watford City, ND
Mark Edward Brewster, M.D. is a gastroenterology physician with a practice address in Watford City, North Dakota, and NPI 1275773046, issued on Mar 5, 2009. Check the license (North Dakota 20698, as entered in NPPES) on the North Dakota Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Edward Brewster
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 20698 ND
Self-reported in NPPES; status is on the state search - Practice location
- 709 4TH Ave NE, Watford City, ND 58854
- Phone
- (701) 842-3000
- Enumerated
- Mar 5, 2009
- Record last updated
- Jul 23, 2026
- Fax
- (701) 842-6248
- Medicare enrollment
- Enrolled (PECOS I20240604003137); may accept Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 32 in North Dakota → Look up another NPI →
Also registered at 709 4TH Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kendra BohmPhysician Assistant1588474548
- Jessica Comeau, FNPFamily Nurse Practitioner1073917480
- Jeffrey Davis, ATC, LATAthletic Trainer1407172240
- Grant EdlandAllergy Physician1245869858
- David Harries, MDInterventional Pain Medicine Physician1104924109
Verify Mark Edward Brewster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Dakota Board of Medicine
Search for license 20698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average gastroenterology physician in 2024
55 Medicare Part D claims for 35 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,443.11
69 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Edward Brewster among 32 gastroenterology physician records in North Dakota
Mark Edward Brewster, M.D. is one of 32 gastroenterology physician records with a practice address in North Dakota. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 69% of them.
- NPI issued2009 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2007 · median 2003 among the 28 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in North Dakota
There are 32 gastroenterology physician records in North Dakota.
All 32 in North Dakota → Every provider in Watford City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ira Michaelson, MDMinot, ND 587011649261256
- Bruce Swenson, MDMinot, ND 587011083788467
- Makda Bsrat, MDBismarck, ND 585041124553540
- Elida Voth, MDBismarck, ND 585041356835334
- Nicholas Battista, M.D.Bismarck, ND 585011528470135
- Tawhid Gazi, M.D.Bismarck, ND 585011235236571
- Kevin Karls, M.D.Bismarck, ND 585011790762086
- Mustafa Kathawala, MDBismarck, ND 585011497709695
Common questions
What is Mark Edward Brewster, M.D.'s NPI number?
Mark Edward Brewster, M.D.'s National Provider Identifier (NPI) is 1275773046, issued on Mar 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Edward Brewster, M.D. located?
The NPPES record lists a practice address at 709 4TH Ave NE, Watford City, ND, 58854. Phone: (701) 842-3000. Providers update this record themselves, so call before visiting.
How can I verify Mark Edward Brewster, M.D.'s license?
NPPES lists North Dakota license number 20698, as entered by the provider. Search the North Dakota Board of Medicine at https://www.ndbom.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Edward Brewster, M.D. prescribe under Medicare Part D?
In 2024, Mark Edward Brewster, M.D. had 55 Medicare Part D claims for 35 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.