Elizabeth Mazzeo, DO
Hospitalist Physician · Brunswick, ME
Elizabeth Mazzeo, DO is a hospitalist physician with a practice address in Brunswick, Maine, and NPI 1598224511, issued on Mar 19, 2019. Check the license (Maine DO3446, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Mazzeo
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- DO3446 ME
Self-reported in NPPES; status is on the state search - Practice location
- 123 Medical Center Dr, Brunswick, ME 04011
- Phone
- (207) 373-6000
- Enumerated
- Mar 19, 2019
- Record last updated
- Oct 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20221110002045); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2019
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 245 in Maine → Look up another NPI →
Also registered at 123 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Felicite Beaudoin, RN/IBCLCLactation Consultant (Registered Nurse)1902136740
- Kimberly Beaulieu, IBCLCLactation Consultant (Registered Nurse)1730416793
- Peggy Beaulieu, SLPSpeech-Language Pathologist1003288911
- Amanda Behnke, APRN-CNPPsychiatric/Mental Health Nurse Practitioner1831612357
Verify Elizabeth Mazzeo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO3446Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average hospitalist physician in 2024
94 Medicare Part D claims for 43 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of 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
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Mazzeo among 245 hospitalist physician records in Maine
Elizabeth Mazzeo, DO is one of 245 hospitalist physician records with a practice address in Maine. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 77% of them.
- NPI issued2019 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2019 · median 2012 among the 206 with a school on file
- Record last updated2022 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 hospitalist physician records list a practice address in Brunswick
They are 13 of the 981 NPPES records with a practice address in Brunswick, and 245 hospitalist physician records in Maine.
All 245 in Maine → Every provider in Brunswick → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Robert Cochrane, MDBrunswick, ME 040111669547907
- Brian Crabtree, MDBrunswick, ME 040111902191943
- Kathryn Cunin, MDBrunswick, ME 040111831364587
- Vaughn Deforest, M.D.Brunswick, ME 040111659389856
- Shaun Duran, MDBrunswick, ME 040111811121700
- Justin Held, M.D.Brunswick, ME 040111720240310
- Nathan Lafevers, MDBrunswick, ME 040111437612678
- Matthew Mechtenberg, D.O.Brunswick, ME 040111831246339
Common questions
What is Elizabeth Mazzeo, DO's NPI number?
Elizabeth Mazzeo, DO's National Provider Identifier (NPI) is 1598224511, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Mazzeo, DO located?
The NPPES record lists a practice address at 123 Medical Center Dr, Brunswick, ME, 04011. Phone: (207) 373-6000. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Mazzeo, DO's license?
NPPES lists Maine license number DO3446, 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 Elizabeth Mazzeo, DO prescribe under Medicare Part D?
In 2024, Elizabeth Mazzeo, DO had 94 Medicare Part D claims for 43 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Elizabeth Mazzeo, DO'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.