Maryann Elizabeth Walsh, MD
Internal Medicine Physician · Brewer, ME
Maryann Elizabeth Walsh, MD is an internal medicine physician with a practice address in Brewer, Maine, and NPI 1811980204, issued on Aug 31, 2005. Check the license (Maine MD13386, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Maryann Elizabeth Walsh
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD13386 ME
Self-reported in NPPES; status is on the state search - Practice location
- 234 State St, Brewer, ME 04412
- Phone
- (207) 989-5005
- Enumerated
- Aug 31, 2005
- Record last updated
- Jul 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (207) 989-0551
- Medicaid ID
- 225860099 ME
- Entity
- Type 1 · individual
Also registered at 234 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maryann Elizabeth Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD13386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
35 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
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.
Internal Medicine Physician providers in Maine
There are 597 internal medicine physician records in Maine.
Other internal medicine physician records in Maine
- George Abboud, MDBiddeford, ME1376612945
- Karen Abernathy, M.D.Rockport, ME1124312335
- Hassan Abouleish, MDHoulton, ME1255300307
- Philip Abraham, M.D.Kittery, ME1497750764
- Elizabeth Ackerson, MDPortland, ME1912920117
- Lindsey Ackley-Pozzessere, DOBrunswick, ME1477991842
- Todd Adams, MDMoody, ME1427165778
- Muhammad Umer Ahmed, MDBangor, ME1134893183
- Samer Al-Ameri, MDBangor, ME1225514854
- Ali Al-OmariBangor, ME1447634431
Common questions
What is Maryann Elizabeth Walsh, MD's NPI number?
Maryann Elizabeth Walsh, MD's National Provider Identifier (NPI) is 1811980204, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maryann Elizabeth Walsh, MD located?
The NPPES record lists a practice address at 234 State St, Brewer, ME, 04412. Phone: (207) 989-5005. Providers update this record themselves, so call before visiting.
How can I verify Maryann Elizabeth Walsh, MD's license?
NPPES lists Maine license number MD13386, 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 Maryann Elizabeth Walsh, MD prescribe under Medicare Part D?
In 2024, Maryann Elizabeth Walsh, MD had 35 Medicare Part D claims for 15 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.