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

Mark R Lena, MD

Individual provider Gastroenterology Physician · NPI 1366484230

Mark R Lena, MD is a Gastroenterology in Bangor, Maine. Graduated from Geisel School of Medicine at Dartmouth in 1982, 44 years ago. Practices with St Joseph Hospital, a 196-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
44
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
ME
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

360 Broadway Ste 100
Bangor, ME 04401
Phone: (207) 907-3550
Fax: (207) 907-3562
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 161 Marginal Way, Portland, ME 04101 — (207) 773-7964

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD12551 (ME)

Record details

NPI number1366484230
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESFebruary 3, 2022
Certification dateFebruary 3, 2022
Mailing addressC/O St Marys Health System - Provider Enrollment, Po Box 7291, Lewiston, ME 04243-7291

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1982 (44 years in practice)
Group practice St Joseph Hospital — 196 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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