NPPES file of Aug 9, 2026

Mark Thomas Sigwart, PA-C

Physician Assistant · Falmouth, MA

Mark Thomas Sigwart, PA-C is a physician assistant with a practice address in Falmouth, Massachusetts, and NPI 1790546752, issued on Jan 17, 2024. Check the license (Massachusetts PA100368, as entered in NPPES) with the Massachusetts 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790546752
Name
Mark Thomas Sigwart
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA100368 MA
Self-reported in NPPES; status is on the state search
Practice location
360 Gifford St, Falmouth, MA 02540
Phone
(508) 457-4900
Enumerated
Jan 17, 2024
Record last updated
Jan 23, 2024
Medicare enrollment
Enrolled (PECOS I20240304003929); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2021
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 360 Gifford St

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

  1. Lara Baldasaro, PAOrthopaedic Surgery Physician1013001742
  2. Jaclyn CarperSurgical Physician Assistant1992369524
  3. Justin CobisPhysician Assistant1598108102
  4. Ralph Cook, MDSports Medicine (Orthopaedic Surgery) Physician1619366333
  5. Paul Dimond, M.D.Orthopaedic Surgery Physician1003881632
  6. William Litterer, D.O.Geriatric Medicine (Internal Medicine) Physician1104990019

Verify Mark Thomas Sigwart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license PA100368
    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 Massachusetts 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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85% fewer Medicare Part D claims than the average physician assistant in 2024

124 Medicare Part D claims for 68 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 44 claims were for opioids.

  1. Mark Sigwart124
  2. Specialty average830

Most prescribed

  1. Oxycodone Hcl28 claims
  2. Meloxicam20 claims
  3. Ondansetron Odt16 claims
  4. Celecoxib12 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.

Bills Medicare through one group practice

  1. Medical Affiliates OF Cape Cod IncFalmouth, MA

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

Mark Thomas Sigwart among 4,713 physician assistant records in Massachusetts

Mark Thomas Sigwart, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 83% of them.

  • NPI issued2024 · 83% of these records are older, 9% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2021 · median 2019 among the 3,217 with a school on file
  • Record last updated2024 · 38% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 physician assistant records list a practice address in Falmouth

They are 21 of the 550 NPPES records with a practice address in Falmouth, and 4,713 physician assistant records in Massachusetts.

The 8 physician assistant records with the nearest ZIP codes

  1. Anne Chiavegato, PAFalmouth, MA 025401861447518
  2. Justin CobisFalmouth, MA 025401598108102
  3. Francesca Donaghey, PA-CFalmouth, MA 025401750920377
  4. Lyndsay DuarteFalmouth, MA 025401972747442
  5. Margaret Gladski, PAFalmouth, MA 025401609099936
  6. Matthew Gomberg, PAFalmouth, MA 025401093281446
  7. John Hill, PAFalmouth, MA 025401861461246
  8. Lisa Mayhew, PA-CFalmouth, MA 025401023080538

Common questions

What is Mark Thomas Sigwart, PA-C's NPI number?

Mark Thomas Sigwart, PA-C's National Provider Identifier (NPI) is 1790546752, issued on Jan 17, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Mark Thomas Sigwart, PA-C located?

The NPPES record lists a practice address at 360 Gifford St, Falmouth, MA, 02540. Phone: (508) 457-4900. Providers update this record themselves, so call before visiting.

How can I verify Mark Thomas Sigwart, PA-C's license?

NPPES lists Massachusetts license number PA100368, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Thomas Sigwart, PA-C prescribe under Medicare Part D?

In 2024, Mark Thomas Sigwart, PA-C had 124 Medicare Part D claims for 68 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

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.