Adam R. Messier, PA-C
Medical Physician Assistant · Lewiston, ME
Adam R. Messier, PA-C is a medical physician assistant with a practice address in Lewiston, Maine, and NPI 1073096517, issued on Sep 11, 2018. Check the license (Maine PA1832, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Adam R. Messier
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA1832 ME
Self-reported in NPPES; status is on the state search - Practice location
- 91 Campus Ave, Lewiston, ME 04240
- Phone
- (207) 777-8120
- Enumerated
- Sep 11, 2018
- Record last updated
- Jun 9, 2022
- Fax
- (207) 777-8984
- Medicare enrollment
- Enrolled (PECOS I20181002003520); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 91 Campus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Barry, FNPFamily Nurse Practitioner1578105516
- Andre Couture, DOEmergency Medicine Physician1629231329
- Israel Garcia, NP-CFamily Nurse Practitioner1457744310
- Angela Henry, NPFamily Nurse Practitioner1245718097
- Curran Lecomte, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1912687492
- Kemedy McQuillen, MDEmergency Medicine Physician1720054273
Verify Adam R. Messier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PA1832Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average medical physician assistant in 2024
715 Medicare Part D claims for 531 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Doxycycline Monohydrate169 claims
- Albuterol Sulfate Hfa61 claims
- Cefdinir59 claims
- Prednisone44 claims
- Triamcinolone Acetonide40 claims
- Amoxicillin35 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).
Medical Physician Assistant providers in Maine
There are 238 medical physician assistant records in Maine.
Other medical physician assistant records in Maine
- Emily Akley, PA-CPortland, ME1629629043
- Shirley Ala, PA-CAuburn, ME1619909017
- Shermane Anderson, PACBangor, ME1710930037
- Jessica Arbisi, PA-CBangor, ME1255999173
- Stephen Arnold, PASkowhegan, ME1437715943
- John Bachman, PA-CAugusta, ME1801991484
- Neil Baggesen, PA-CPresque Isle, ME1841827300
- Elizabeth Bailey, PAPortland, ME1215004809
- Olivia Barksdale, PA-CBangor, ME1740152115
- Bernadette Barnum, PA-CScarborough, ME1326016072
Common questions
What is Adam R. Messier, PA-C's NPI number?
Adam R. Messier, PA-C's National Provider Identifier (NPI) is 1073096517, issued on Sep 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Adam R. Messier, PA-C located?
The NPPES record lists a practice address at 91 Campus Ave, Lewiston, ME, 04240. Phone: (207) 777-8120. Providers update this record themselves, so call before visiting.
How can I verify Adam R. Messier, PA-C's license?
NPPES lists Maine license number PA1832, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Adam R. Messier, PA-C prescribe under Medicare Part D?
In 2024, Adam R. Messier, PA-C had 715 Medicare Part D claims for 531 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Adam R. Messier, PA-C'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.