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

Bryant Christopher Shannon, MD

Individual provider Emergency Medicine Physician · NPI 1225487499

Bryant Christopher Shannon, MD is a Critical Care (Intensivists) in Portland, Maine. Graduated from Columbia University College of Physicians and Surgeons in 2016, 10 years ago. Practices with Mainehealth, a 2,615-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Georgia and Maine.

Years since qualifying
10
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
GA, ME
In the registry since
2016
Specialties on file
4
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

22 Bramhall St
Portland, ME 04102-3134
Phone: (207) 662-2179
Show map & directions

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

Additional practice locations (1)

  • 95 Collier Rd Nw Ste 5015, Atlanta, GA 30309-1721 — (404) 605-6517

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence MD28578 (ME)
Emergency Medicine Physician Taxonomy 207P00000X · Licence MD28578 (ME)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 92333 (GA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 92333 (GA)

Record details

NPI number1225487499
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 8, 2016
Last updated in NPPESJanuary 6, 2025
Certification dateJanuary 6, 2025
Mailing address22 Bramhall St, Portland, ME 04102-3134

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2016 (10 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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