Bryant Shannon, MD
NPI 1225487499 · Critical Care Medicine (Internal Medicine) Physician · Portland, ME
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bryant Shannon, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Portland, ME (NPI 1225487499).
Provider details
- NPI number
- 1225487499
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD28578 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
371 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 223 | $204 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 53 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 28 | $75 |
| Critical Care, Each Additional 30 Minutes99292 | 28 | $105 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 22 | $168 |
| Irrigation and Suction of Lung Airways to Obtain Cells Using an Endoscope31624 | 17 | $121 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$245 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 95 Collier Rd Nw Ste 5015Atlanta, GA 30309-1721Phone: (404) 605-6517
Registry dates
- Enumerated
- 2016-06-08
- Last updated
- 2025-01-06
- Certified
- 2025-01-06
Frequently asked questions
- What is Bryant Shannon's NPI number?
- Bryant Shannon's National Provider Identifier (NPI) is 1225487499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bryant Shannon's specialty?
- Bryant Shannon is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Bryant Shannon located?
- Bryant Shannon's practice location on file with NPPES is 22 Bramhall St, Portland, ME 04102-3134.
- What is Bryant Shannon's phone number?
- The practice phone number listed in the NPPES registry for Bryant Shannon is (207) 662-2179.
- Does Bryant Shannon accept Medicare?
- Bryant Shannon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bryant Shannon's NPI active?
- Yes — Bryant Shannon's NPI (1225487499) is active in the NPPES registry as of the last update on 2025-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.