Bryant Christopher Shannon, MD
Critical Care Medicine (Internal Medicine) Physician · Portland, ME
Bryant Christopher Shannon, MD is a critical care medicine (internal medicine) physician with a practice address in Portland, Maine, and NPI 1225487499, issued on Jun 8, 2016. Check the license (Maine MD28578, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Bryant Christopher Shannon
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- MD28578 ME
92333 GA
Self-reported in NPPES; status is on the state search - Practice location
- 22 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-2179
- Enumerated
- Jun 8, 2016
- Record last updated
- Jan 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20241209002739); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2016
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 24 in Maine → Look up another NPI →
Also registered at 22 Bramhall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
- Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
- Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
- Joshua Abrams, PA-CSurgical Physician Assistant1932832128
- Christopher Abruzzese, D.OAnesthesiology Physician1558789305
- Haley Acker, PA-CPhysician Assistant1972167377
Verify Bryant Christopher Shannon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD28578Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
16 Medicare Part D claims for 15 beneficiaries, against an average of 696 among the 2,873 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $245.23
4 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 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.
Bills Medicare through 2 group practices
- Bluewater Emergency Partners OF Brunswick, LLCLewiston, ME
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bryant Christopher Shannon among 24 critical care medicine (internal medicine) physician records in Maine
Bryant Christopher Shannon, MD is one of 24 critical care medicine (internal medicine) physician records with a practice address in Maine. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 63% of them.
- NPI issued2016 · 63% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2016 · median 2012 among the 19 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Maine
There are 24 critical care medicine (internal medicine) physician records in Maine.
All 24 in Maine → Every provider in Portland → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Sandra Bagwell, MDPortland, ME 041021659586048
- Matthew Cravens, MDPortland, ME 041021942761036
- Jessica D'Amico, DOPortland, ME 041021285999292
- Karyll Gonzalez, M.D.Portland, ME 041021548553795
- Megan Rushmeyer, MDPortland, ME 041021104455468
- Ramiro Saavedra Romero, MDPortland, ME 041021487605085
- Stuart Weymouth, PA-CPortland, ME 041021669109591
- Richard Beasley, DOPortland, ME 041031811023625
Common questions
What is Bryant Christopher Shannon, MD's NPI number?
Bryant Christopher Shannon, MD's National Provider Identifier (NPI) is 1225487499, issued on Jun 8, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Bryant Christopher Shannon, MD located?
The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-2179. Providers update this record themselves, so call before visiting.
How can I verify Bryant Christopher Shannon, MD's license?
NPPES lists Maine license number MD28578, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bryant Christopher Shannon, MD prescribe under Medicare Part D?
In 2024, Bryant Christopher Shannon, MD had 16 Medicare Part D claims for 15 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Bryant Christopher Shannon, MD's MIPS final score?
The 2023 MIPS final score is 90.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.