NPPES file of Aug 9, 2026

Wendy Marie Treash, PA-C

Medical Physician Assistant · S Yarmouth, MA

Wendy Marie Treash, PA-C is a medical physician assistant with a practice address in S Yarmouth, Massachusetts, and NPI 1972501005, issued on Jul 12, 2005. Check the license (Massachusetts PA383, 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
1972501005
Name
Wendy Marie Treash
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
PA383 MA
3237 AZ
Self-reported in NPPES; status is on the state search
Practice location
23 Whites Path Ste F, S Yarmouth, MA 02664
Phone
(508) 760-2054
Enumerated
Jul 12, 2005
Record last updated
Oct 12, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(508) 760-1218
Medicaid ID
155544 AZ
Medicare enrollment
Enrolled (PECOS I20161208002231); 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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Verify Wendy Marie Treash 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 PA383
    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
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3.5 times the Medicare Part D claims of the average medical physician assistant in 2024

3,998 Medicare Part D claims for 514 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 104 claims were for opioids.

  1. Wendy Treash3,998
  2. Specialty average1,148

Most prescribed

  1. Levothyroxine Sodium285 claims
  2. Atorvastatin Calcium207 claims
  3. Lisinopril131 claims
  4. Escitalopram Oxalate121 claims
  5. Omeprazole119 claims
  6. Amlodipine Besylate117 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. Physiotherapy Associates IncSouth Dennis, MA

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

Wendy Marie Treash among 886 medical physician assistant records in Massachusetts

Wendy Marie Treash, PA-C is one of 886 medical 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1988 · median 2015 among the 559 with a school on file
  • Record last updated2016 · 53% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 medical physician assistant record lists a practice address in S Yarmouth

They are 1 of the 53 NPPES records with a practice address in S Yarmouth, and 886 medical physician assistant records in Massachusetts.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Dimitrios Minadakis, PA-CSouth Yarmouth, MA 026641063852085
  2. Gretchen Eckel, PA-CWellfleet, MA 026671841532751
  3. Evelyn Roesler, PA-CWellfleet, MA 026671770615361
  4. Joseph Milos, PA-CWest Barnstable, MA 026681639712011
  5. Matthew Abar, PAProvincetown, MA 026571760647812
  6. Elizabeth Larson, PA-COrleans, MA 026531093747727
  7. Jennifer August, PA-CMashpee, MA 026491871628693
  8. Emily FalangaMashpee, MA 026491700576584

Common questions

What is Wendy Marie Treash, PA-C's NPI number?

Wendy Marie Treash, PA-C's National Provider Identifier (NPI) is 1972501005, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Wendy Marie Treash, PA-C located?

The NPPES record lists a practice address at 23 Whites Path Ste F, S Yarmouth, MA, 02664. Phone: (508) 760-2054. Providers update this record themselves, so call before visiting.

How can I verify Wendy Marie Treash, PA-C's license?

NPPES lists Massachusetts license number PA383, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Wendy Marie Treash, PA-C prescribe under Medicare Part D?

In 2024, Wendy Marie Treash, PA-C had 3,998 Medicare Part D claims for 514 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.