Shawn McMahon, PHYSICIAN ASSISTANT
Surgical Physician Assistant · Brunswick, ME
Shawn McMahon, PHYSICIAN ASSISTANT is a surgical physician assistant with a practice address in Brunswick, Maine, and NPI 1083786552, issued on Nov 14, 2006. Check the license (Maine PA001204, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shawn McMahon
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA001204 ME
Self-reported in NPPES; status is on the state search - Practice location
- 123 Medical Center Dr Ste 2550, Brunswick, ME 04011
- Phone
- (207) 373-1707
- Enumerated
- Nov 14, 2006
- Record last updated
- Oct 29, 2025
- Fax
- (207) 808-7802
- Medicare enrollment
- Enrolled (PECOS I20101101000135); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 205 in Maine → Look up another NPI →
Verify Shawn McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PA001204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average surgical physician assistant in 2024
93 Medicare Part D claims for 48 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Oxycodone Hcl26 claims
- Lactulose15 claims
- Amoxicillin-Clavulanate Potass14 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): 79.3 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
- MainehealthBrunswick, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shawn McMahon among 205 surgical physician assistant records in Maine
Shawn McMahon, PHYSICIAN ASSISTANT is one of 205 surgical physician assistant records with a practice address in Maine. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 70% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2006 · median 2013 among the 170 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Maine
There are 205 surgical physician assistant records in Maine.
All 205 in Maine → Every provider in Brunswick → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Alicia Caiazzi, PABrunswick, ME 040111346624269
- Tatyana Heer, PABrunswick, ME 040111215405733
- Callie McMahon, PACBrunswick, ME 040111003867086
- Courtney Osgood, PA-CBrunswick, ME 040111245914548
- Donna Rodriguez, PABrunswick, ME 040111669018529
- Scott Walton, PACBrunswick, ME 040111104846237
- Kevin Wenner, PA-CBrunswick, ME 040111831687300
- Brent Albright, PABiddeford, ME 040051538231725
Common questions
What is Shawn McMahon, PHYSICIAN ASSISTANT's NPI number?
Shawn McMahon, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1083786552, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shawn McMahon, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 123 Medical Center Dr Ste 2550, Brunswick, ME, 04011. Phone: (207) 373-1707. Providers update this record themselves, so call before visiting.
How can I verify Shawn McMahon, PHYSICIAN ASSISTANT's license?
NPPES lists Maine license number PA001204, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Shawn McMahon, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Shawn McMahon, PHYSICIAN ASSISTANT had 93 Medicare Part D claims for 48 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Shawn McMahon, PHYSICIAN ASSISTANT's MIPS final score?
The 2023 MIPS final score is 79.3 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.