NPPES file of Aug 9, 2026

Mary Seaman

Physician Assistant · Portland, ME

Mary Seaman is a physician assistant with a practice address in Portland, Maine, and NPI 1578103479, issued on Jan 9, 2020. Check the license (Maine PA2164, 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
1578103479
Name
Mary Seaman
Primary taxonomy
Physician Assistant 363A00000X
License number
PA2164 ME
Self-reported in NPPES; status is on the state search
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 662-2934
Enumerated
Jan 9, 2020
Record last updated
Nov 21, 2024
Medicare enrollment
Enrolled (PECOS I20241227002174); 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 22 Bramhall St

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

  1. Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
  2. Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
  3. Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
  4. Joshua Abrams, PA-CSurgical Physician Assistant1932832128
  5. Christopher Abruzzese, D.OAnesthesiology Physician1558789305
  6. Haley Acker, PA-CPhysician Assistant1972167377

Verify Mary Seaman 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 PA2164
    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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92% fewer Medicare Part D claims than the average physician assistant in 2024

63 Medicare Part D claims for 46 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 40 claims were for opioids.

  1. Mary Seaman63
  2. Specialty average830

Most prescribed

  1. Oxycodone Hcl38 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): 76.7 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 score78.0
  2. Costout of 100 · 30%61.0
  3. Promoting interoperabilityout of 100 · 25%74.0
  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: $76.70

4 payments; by number, the most common kind was food and beverage; the largest payer was LeMaitre Vascular, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Seaman$76.70
  2. Specialty average$841.65

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

Bills Medicare through one group practice

  1. MainehealthPortland, ME

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

Mary Seaman among 979 physician assistant records in Maine

Mary Seaman is one of 979 physician assistant records with a practice address in Maine. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 70% of them.

  • NPI issued2020 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2020 · median 2017 among the 648 with a school on file
  • Record last updated2024 · 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 363A00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

243 physician assistant records list a practice address in Portland

They are 243 of the 6,022 NPPES records with a practice address in Portland, and 979 physician assistant records in Maine.

The 8 physician assistant records with the nearest ZIP codes

  1. Amy Barraclough, PA-CPortland, ME 041021770533713
  2. Anne Barter, PA-CPortland, ME 041021245280981
  3. Meredith Beauregard, PAPortland, ME 041021013967918
  4. Steven Blessington, PA, MHPPortland, ME 041021841259900
  5. Blue Butterfield, PAPortland, ME 041021487601878
  6. Robert Klotz, PAPortland, ME 041021467447847
  7. Tina Merrill, PA-CPortland, ME 041021639127699
  8. Pierre Morneault, PA-CPortland, ME 041021326098468

Common questions

What is Mary Seaman's NPI number?

Mary Seaman's National Provider Identifier (NPI) is 1578103479, issued on Jan 9, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mary Seaman located?

The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-2934. Providers update this record themselves, so call before visiting.

How can I verify Mary Seaman's license?

NPPES lists Maine license number PA2164, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Seaman prescribe under Medicare Part D?

In 2024, Mary Seaman had 63 Medicare Part D claims for 46 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Mary Seaman's MIPS final score?

The 2023 MIPS final score is 76.7 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.