Doctor profile · Federal record

Dr. Mark Lena, MD

Gastroenterology Physician (CMS: Gastroenterology) · Bangor, ME

  • NPI 1366484230
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
360 Broadway Ste 100
Bangor, ME 04401
(207) 907-3550
fax (207) 907-3562
Additional location
161 Marginal Way
Portland, ME 04101
(207) 773-7964
fax (207) 773-9071
Mailing address
C/O St Marys Health System - Provider Enrollment, Po Box 7291
Lewiston, ME 042437291

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 3, 2022
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Maine #MD12551

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366484230. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
246
Distinct HCPCS
8
Medicare allowed
$32,687
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 78 77 $239
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 35 35 $5
45380 Biopsy of large bowel using a flexible endoscope 34 33 $97
99213 Established patient office or other outpatient visit, 20-29 minutes 28 24 $63
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 24 24 $97
99214 Established patient office or other outpatient visit, 30-39 minutes 21 17 $93
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 15 15 $174
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 11 11 $174

In context: peer comparison

Among 8 peers in Bangor Gastroenterology Physician, average services per provider: 38. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$69
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Cook Medical LLC 2 $26.49
Abbvie INC. 1 $23.97
Takeda Pharmaceuticals U.S.A., INC. 1 $18.55

By nature of payment

Food and Beverage
$69

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
138
Patients
32
Total drug cost
$223,495
Drug Type Claims Patients Total cost
Xifaxan (Rifaximin) Brand 26 0 $102,880
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 22 21 $463
Pantoprazole Sodium Generic 21 0 $525
Esomeprazole Magnesium Generic 19 0 $401
Omeprazole Generic 16 0 $202
Ondansetron Odt (Ondansetron) Brand 12 11 $67
Humira(Cf) Pen (Adalimumab) Brand 11 0 $112,836
Linzess (Linaclotide) Brand 11 0 $6,121

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Lena's medical specialty?
Dr. Mark Lena practices Gastroenterology Physician in Bangor, ME.
Where does Dr. Mark Lena practice?
Dr. Mark Lena practices at 360 Broadway Ste 100, Bangor, ME 04401. Office phone: 2079073550.
What is Dr. Mark Lena's NPI?
Dr. Mark Lena's National Provider Identifier (NPI) is 1366484230, issued by NPPES.
Does Dr. Mark Lena accept Medicare assignment?
Yes. Dr. Mark Lena accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Lena commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); 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 (HCPCS G0500); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.