Bryan Louis Walker, M.D.
Family Medicine Physician · Portland, ME
Bryan Louis Walker, M.D. is a family medicine physician with a practice address in Portland, Maine, and NPI 1457883621, issued on Mar 28, 2017. Check the license on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Bryan Louis Walker
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 282352 MA
Self-reported in NPPES; status is on the state search - Practice location
- 22 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-0111
- Enumerated
- Mar 28, 2017
- Record last updated
- Jul 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200818003440); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,172 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.
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- Joshua Abrams, PA-CSurgical Physician Assistant1932832128
- Christopher Abruzzese, D.OAnesthesiology Physician1558789305
- Haley Acker, PA-CPhysician Assistant1972167377
Verify Bryan Louis Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average family medicine physician in 2024
2,672 Medicare Part D claims for 217 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 103 claims were for opioids.
Most prescribed
- Atorvastatin Calcium205 claims
- Omeprazole117 claims
- Amlodipine Besylate93 claims
- Gabapentin80 claims
- Lisinopril79 claims
- Losartan Potassium61 claims
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): 82.8 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).
Bills Medicare through one group practice
- Healthcare South PCQuincy, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bryan Louis Walker among 1,172 family medicine physician records in Maine
Bryan Louis Walker, M.D. is one of 1,172 family medicine physician records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2008 among the 668 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 family medicine physician records list a practice address in Portland
They are 89 of the 6,022 NPPES records with a practice address in Portland, and 1,172 family medicine physician records in Maine.
All 1,172 in Maine → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Maria Atkins, D.O.Portland, ME 041021962522300
- Michael Bedecs, D.O.Portland, ME 041021164569547
- Kathleen Brennan, M.D.Portland, ME 041021922444900
- Magili Chapman, D.O.Portland, ME 041021063595148
- Catherine Crute, MDPortland, ME 041021508834441
- Elizabeth Frutiger, MDPortland, ME 041021073596672
- Alison Gorman, M.D.Portland, ME 041021891710844
- Ross Hilliard, M.D.Portland, ME 041021033402276
Common questions
What is Bryan Louis Walker, M.D.'s NPI number?
Bryan Louis Walker, M.D.'s National Provider Identifier (NPI) is 1457883621, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Bryan Louis Walker, M.D. located?
The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-0111. Providers update this record themselves, so call before visiting.
How can I verify Bryan Louis Walker, M.D.'s license?
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 Bryan Louis Walker, M.D. prescribe under Medicare Part D?
In 2024, Bryan Louis Walker, M.D. had 2,672 Medicare Part D claims for 217 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Bryan Louis Walker, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.8 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.