HANNAH MARY GRASSI – Physician Assistant, NPI 1043054711

HANNAH MARY GRASSI is a healthcare provider. based in Sandwich, Massachusetts. specializing in PHYSICIAN ASSISTANT. The NPI Number for HANNAH MARY GRASSI is 1043054711

Main info

Female
2 Years Of Experience
Accepts Medicare Assignment
Name
HANNAH MARY GRASSI
NPI
1043054711
Phone
(508) 817-7689
Address
4 PEGGYS LN
Enumeration Date
19 June 2024
Last Update Date
19 June 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7746083700
Graduation Year
2024 (2 years ago)
PAC ID
7719428606
Group Practice PAC ID
4789588641
Professional Enrollment ID
I20240918004231
Address ID
MA023602677PL36XXXWAYX500
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience17
Completeness75
Years active:1State licenses:0Digital endpointsOther names

5,093 PHYSICIAN ASSISTANT in MA

Provider Addresses for HANNAH MARY GRASSI

  • 4 PEGGYS LN

    SANDWICH, MA 025632593

    Phone: (508) 817-7689

    Type: Mailing

  • 2 TECHNOLOGY PARK DR

    BOURNE, MA 025328341

    Phone: (774) 608-3800

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-09-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20240918004231IPhysician AssistantMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02563)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4789588641View full group profile
NameSpecialtyState
-MA
Family PracticeMA
D E R M A T O L O G YMA
Emergency MedicineMA
Internal Medicine, Cardiovascular Disease (Cardiology)MA
-MA
O B S T E T R I C S/ G Y N E C O L O G YMA
-MA
Internal MedicineMA
O T O L A R Y N G O L O G YMA

Reviews

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Frequently asked questions

What is the 10-digit NPI for HANNAH MARY GRASSI?
HANNAH MARY GRASSI — NPI 1043054711 — is the standard way to identify this listing.
Does the file indicate HANNAH MARY GRASSI is practicing under active NPI?
Directory data currently reports HANNAH MARY GRASSI as active.
What is HANNAH MARY GRASSI's primary classification?
Physician Assistant is the headline specialty for HANNAH MARY GRASSI here. Clinical services aligned with this taxonomy classification.
Where is HANNAH MARY GRASSI based?
HANNAH MARY GRASSI is tied to Sandwich, Massachusetts in the data we show; additional addresses may exist on the full record.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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