NPPES file of Aug 9, 2026

Hannah Mary Grassi

Physician Assistant · Bourne, MA

Hannah Mary Grassi is a physician assistant with a practice address in Bourne, Massachusetts, and NPI 1043054711, issued on Jun 19, 2024. Check the license 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043054711
Name
Hannah Mary Grassi
Primary taxonomy
Physician Assistant 363A00000X
Practice location
2 Technology Park Dr, Bourne, MA 02532
Phone
(774) 608-3800
Enumerated
Jun 19, 2024
Record last updated
Jun 19, 2024
Medicare enrollment
Enrolled (PECOS I20240918004231); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 2 Technology Park Dr

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

  1. Megan Collyer, M.D.Family Medicine Physician1215097464
  2. Michael FlynnFamily Medicine Physician1922503945
  3. Meredith Gilson, M.D.Family Medicine Physician1528058781
  4. Caitlin Mann, M.D.Family Medicine Physician1558478164
  5. Michael Smith, D.O.Family Medicine Physician1306830484

Verify Hannah Mary Grassi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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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Bills Medicare through 2 group practices

  1. Atrius Health IncNeedham, MA
  2. Physiotherapy Associates IncEast Wareham, MA

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

4 physician assistant records list a practice address in Bourne

They are 4 of the 98 NPPES records with a practice address in Bourne, and 4,713 physician assistant records in Massachusetts.

Other physician assistant records in Massachusetts

  1. Erin Abdallah, PA-CSwansea, MA1396417242
  2. Alexa Aboshar, PA-CTewksbury, MA1245623578
  3. Bhraana Abraham, PABoston, MA1649963661
  4. Keidelyn Abreu, PALawrence, MA1497488795
  5. Tatiana Achildiev, PAWorcester, MA1740532761
  6. Sophie Achilles, PA-CBoston, MA1992485965
  7. Andrea Acosta, PA-CWest Roxbury, MA1336060953
  8. Colin ActonBoston, MA1346066701
  9. Emily Adams, PA-CBurlington, MA1457685752
  10. Karley Adams, PABoston, MA1578261764

Common questions

What is Hannah Mary Grassi's NPI number?

Hannah Mary Grassi's National Provider Identifier (NPI) is 1043054711, issued on Jun 19, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Mary Grassi located?

The NPPES record lists a practice address at 2 Technology Park Dr, Bourne, MA, 02532. Phone: (774) 608-3800. Providers update this record themselves, so call before visiting.

How can I verify Hannah Mary Grassi's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.