NPPES file of Aug 9, 2026

Keri L. Mayo, PA

Medical Physician Assistant · Brunswick, ME

Keri L. Mayo, PA is a medical physician assistant with a practice address in Brunswick, Maine, and NPI 1700518941, issued on Jun 27, 2022. Check the license (Maine PA2376, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700518941
Name
Keri L. Mayo
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA2376 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
Jun 27, 2022
Record last updated
Jul 21, 2026
Medicare enrollment
Enrolled (PECOS I20221109002650); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 123 Medical Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Niall Adams, MB BCH BAODiagnostic Radiology Physician1982231163
  2. Stephen Austin, M.D.Diagnostic Radiology Physician1861442378
  3. Felicite Beaudoin, RN/IBCLCLactation Consultant (Registered Nurse)1902136740
  4. Kimberly Beaulieu, IBCLCLactation Consultant (Registered Nurse)1730416793
  5. Peggy Beaulieu, SLPSpeech-Language Pathologist1003288911
  6. Amanda Behnke, APRN-CNPPsychiatric/Mental Health Nurse Practitioner1831612357

Verify Keri L. Mayo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license PA2376
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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20% fewer Medicare Part D claims than the average medical physician assistant in 2024

918 Medicare Part D claims for 277 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 89 claims were for opioids.

  1. Keri Mayo918
  2. Specialty average1,148

Most prescribed

  1. Gabapentin33 claims
  2. Hydrocodone-Acetaminophen29 claims
  3. Lisinopril27 claims
  4. Lorazepam26 claims
  5. Clonazepam24 claims
  6. Levothyroxine Sodium23 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): 84 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.

  1. Qualityout of 100 · 30% of the final score60.7
  2. Costout of 100 · 30%70.8
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $69.41

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Keri Mayo$69.41
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Mercy HospitalPortland, ME
  2. Orthopaedic Associates OF Maine PAPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Keri L. Mayo among 238 medical physician assistant records in Maine

Keri L. Mayo, PA is one of 238 medical physician assistant records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.

  • NPI issued2022 · 91% of these records are older, 5% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2013 among the 141 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Maine

There are 238 medical physician assistant records in Maine.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Kathleen Dosiek, PA-CBrunswick, ME 040111205188034
  2. Tiffany Eisenhauer, PA-CBrunswick, ME 040111881091387
  3. Darrin Guitreau, PA-CBrunswick, ME 040111023140035
  4. Robert Nelson, PACBrunswick, ME 040111265535629
  5. Michael Reny, BSBrunswick, ME 040111649258393
  6. Andrew Susen, PA-C, MSCBrunswick, ME 040111457544256
  7. Susan Trafton, P.A.Brunswick, ME 040111114991148
  8. David Wallstrom, PA-CBrunswick, ME 040111427589670

Common questions

What is Keri L. Mayo, PA's NPI number?

Keri L. Mayo, PA's National Provider Identifier (NPI) is 1700518941, issued on Jun 27, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Keri L. Mayo, PA 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 Keri L. Mayo, PA's license?

NPPES lists Maine license number PA2376, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Keri L. Mayo, PA prescribe under Medicare Part D?

In 2024, Keri L. Mayo, PA had 918 Medicare Part D claims for 277 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Keri L. Mayo, PA's MIPS final score?

The 2023 MIPS final score is 84 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.