Margaret Walsh, PA-C
Physician Assistant · Tewksbury, MA
Margaret Walsh, PA-C is a physician assistant with a practice address in Tewksbury, Massachusetts, and NPI 1205424439, issued on Jan 4, 2021. Check the license (Massachusetts PA8580, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Walsh
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA8580 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Ronald Dr, Tewksbury, MA 01876
- Phone
- (978) 995-5815
- Enumerated
- Jan 4, 2021
- Record last updated
- Apr 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20220721003188); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Verify Margaret Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA8580Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average physician assistant in 2024
1,280 Medicare Part D claims for 282 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 74% of claims.
Most prescribed
- Advair Hfa208 claims
- Albuterol Sulfate Hfa156 claims
- Spiriva Respimat108 claims
- Symbicort82 claims
- Prednisone65 claims
- Budesonide-Formoterol Fumarate63 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.
Industry payments in 2024: $35.62
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.
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
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Walsh among 4,713 physician assistant records in Massachusetts
Margaret Walsh, 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 2021, is newer than 63% of them.
- NPI issued2021 · 63% of these records are older, 32% 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 updated2022 · 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).
8 physician assistant records list a practice address in Tewksbury
They are 8 of the 423 NPPES records with a practice address in Tewksbury, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Tewksbury → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Alexa Aboshar, PA-CTewksbury, MA 018761245623578
- Lauren Bregoli, PA-STewksbury, MA 018761316817687
- Jeffrey Brown, PA-CTewksbury, MA 018761184233264
- Leila CampleseTewksbury, MA 018761750124848
- Patrick Canavan, PA-CTewksbury, MA 018761194434951
- Sarah Clarke, PA-CTewksbury, MA 018761801239157
- Ocean Nguyen, PHYSICIAN ASSISTANTTewksbury, MA 018761851931430
- John FrazierTyngsboro, MA 018791073131330
Common questions
What is Margaret Walsh, PA-C's NPI number?
Margaret Walsh, PA-C's National Provider Identifier (NPI) is 1205424439, issued on Jan 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Walsh, PA-C located?
The NPPES record lists a practice address at 10 Ronald Dr, Tewksbury, MA, 01876. Phone: (978) 995-5815. Providers update this record themselves, so call before visiting.
How can I verify Margaret Walsh, PA-C's license?
NPPES lists Massachusetts license number PA8580, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Walsh, PA-C prescribe under Medicare Part D?
In 2024, Margaret Walsh, PA-C had 1,280 Medicare Part D claims for 282 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.