Doctor profile · Federal record

Dr. Mark Branda, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Lewiston, ME

  • NPI 1861619058
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
77 Bates St, Suite 200
Lewiston, ME 04240
(207) 784-5784
fax (207) 784-1477
Additional location
121 Medical Center Dr Ste 3400
Brunswick, ME 040112675
(207) 406-7300
fax (207) 835-4736
Mailing address
6451 N Federal Hwy Ste 700
Fort Lauderdale, FL 333081420

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
January 27, 2025
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Maine #MD17628 · Rhode Island #LP00462

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861619058. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
217
Distinct HCPCS
8
Medicare allowed
$31,974
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 68 67 $235
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 56 54 $86
45380 Biopsy of large bowel using a flexible endoscope 23 23 $83
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 18 18 $145
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 17 17 $165
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 12 12 $170
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 12 12 $5
45378 Diagnostic exam of large bowel using a flexible endoscope 11 11 $160

In context: peer comparison

Among 3 peers in Lewiston Gastroenterology Physician, average services per provider: 32. This provider delivers 6.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
568
Patients
460
Total drug cost
$37,113
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 261 250 $5,193
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 164 159 $3,759
Omeprazole Generic 57 33 $906
Linzess (Linaclotide) Brand 35 0 $26,357
Famotidine Generic 20 0 $339
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 18 18 $281
Pantoprazole Sodium Generic 13 0 $279

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Branda's medical specialty?
Dr. Mark Branda practices Gastroenterology Physician in Lewiston, ME.
Where does Dr. Mark Branda practice?
Dr. Mark Branda practices at 77 Bates St, Lewiston, ME 04240. Office phone: 2077845784.
What is Dr. Mark Branda's NPI?
Dr. Mark Branda's National Provider Identifier (NPI) is 1861619058, issued by NPPES.
Does Dr. Mark Branda accept Medicare assignment?
Yes. Dr. Mark Branda accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Branda commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.