Sarah A. M. Hallen, M.D.
Geriatric Medicine (Internal Medicine) Physician · Portland, ME
Sarah A. M. Hallen, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Portland, Maine, and NPI 1033221817, issued on Aug 31, 2006. Check the license (Maine MD18219, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sarah A. M. Hallen
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- MD18219 ME
Self-reported in NPPES; status is on the state search - Practice location
- 66 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-3157
- Enumerated
- Aug 31, 2006
- Record last updated
- Apr 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (207) 662-4257
- Medicaid IDs
- 30208912 NH
434507199 ME - Medicare enrollment
- Enrolled (PECOS I20090916000162); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2005
- Entity
- Type 1 · individual
Also registered at 66 Bramhall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Anderson, MDEmergency Medicine Physician1821124025
- Jeffrey Ball, MDInternal Medicine Physician1639515711
- Ashley Bartlett, PAPhysician Assistant1326769548
- Rachael Blake, MDGeriatric Medicine (Family Medicine) Physician1831357839
- Valerie Boisvert, LCSWClinical Social Worker1184165854
- Graham Botto, LCSWClinical Social Worker1528806585
Verify Sarah A. M. Hallen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD18219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
426 Medicare Part D claims for 50 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Atorvastatin Calcium31 claims
- Austedo30 claims
- Memantine Hcl23 claims
- Jardiance19 claims
- Levothyroxine Sodium18 claims
- Eliquis17 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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- MainehealthBiddeford, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Maine
There are 27 geriatric medicine (internal medicine) physician records in Maine.
Other geriatric medicine (internal medicine) physician records in Maine
- Annette Beyea, D.O.Augusta, ME1164525341
- Mark Braun, MDScarborough, ME1851327936
- Rodney Chelberg, M.D.Brewer, ME1558443861
- Laurel Coleman, MDPortland, ME1376504878
- Jabbar Fazeli, MDBiddeford, ME1649363805
- Rohit Gautam, MDVan Buren, ME1780994194
- Maha Ghosn, MDBangor, ME1700080470
- Thomas Hattan, MDLewiston, ME1598708315
- Michael Isaac, MDTurner, ME1275782690
- Randa Jaber, MDSkowhegan, ME1972815165
Common questions
What is Sarah A. M. Hallen, M.D.'s NPI number?
Sarah A. M. Hallen, M.D.'s National Provider Identifier (NPI) is 1033221817, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sarah A. M. Hallen, M.D. located?
The NPPES record lists a practice address at 66 Bramhall St, Portland, ME, 04102. Phone: (207) 662-3157. Providers update this record themselves, so call before visiting.
How can I verify Sarah A. M. Hallen, M.D.'s license?
NPPES lists Maine license number MD18219, 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 Sarah A. M. Hallen, M.D. prescribe under Medicare Part D?
In 2024, Sarah A. M. Hallen, M.D. had 426 Medicare Part D claims for 50 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Sarah A. M. Hallen, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 of 100. 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.