Hannah Mary Grassi

  • Braintree, MA
  • Physician assistant
NPI1043054711PAC ID7719428606
Hospital affiliations
4
Medical groups
2
State license
1
Year NPI issued
2024
Practice address
111 Grossman Dr, Braintree, MA 02184
Practice phone
Call (617) 421-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harvard Vanguard Medical Associates

Braintree, Massachusetts

See all 9 affiliations

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Hannah Mary Grassi is a physician assistant in Braintree, Massachusetts

Hannah Grassi practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.

Hannah Grassi's NPI, 1043054711, was assigned on June 19, 2024.

NPI and contact details
Medicare PAC ID
7719428606
NPI enumeration date
June 19, 2024
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 421-1000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
28
Medical school graduation
2024

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Hannah Mary Grassi practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts

Hannah Grassi's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184 in Norfolk County. The practice phone is (617) 421-1000.

  • Harvard Vanguard Medical Associates
    111 Grossman Dr, Braintree, MA 02184 · Norfolk CountyPhone(617) 421-1000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Hannah Mary Grassi is affiliated with 7 sites of care and 2 medical groups

Hannah Grassi's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Hannah Grassi is also affiliated with Charlton Memorial Hospital. The medical group on file is Atrius Health. Dmand AI also links Hannah Grassi to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 9 affiliations for Hannah Grassi

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Hannah Mary Grassi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Hannah Grassi practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Harvard Vanguard Medical AssociatesAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Hannah Mary Grassi is one of 3,922 physician assistants in Massachusetts

Physician assistant is Hannah Grassi's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Hannah Grassi has a license on file in Massachusetts.

Specialties and state licenses

  • Physician assistant, Massachusettstaxonomy 363A00000X

Physician assistants near Hannah Grassi

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Hannah Mary Grassi's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Hannah Grassi's median patient age at 67, with 65% women.

Hannah Grassi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women65%
  • Men35%

Source: Dmand AI Patient Panel Data

Hannah Mary Grassi offers telehealth to Medicare patients

Hannah Grassi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Hannah Grassi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Hannah Mary Grassi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Hannah Mary Grassi

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Hannah Mary Grassi's NPI number?

Hannah Mary Grassi's NPI number is 1043054711. It was assigned on June 19, 2024, and it is active in the NPI Registry.

What does Hannah Mary Grassi specialize in?

Hannah Mary Grassi is a physician assistant in Braintree, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Hannah Mary Grassi practice?

Hannah Grassi practices at 111 Grossman Dr, Braintree, MA 02184. Hannah Grassi's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Hannah Grassi to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Hannah Mary Grassi's office phone number?

The practice phone on file for Hannah Grassi is (617) 421-1000.

Which hospitals is Hannah Mary Grassi affiliated with?

Hannah Grassi is affiliated with Charlton Memorial Hospital. Dmand AI links Hannah Grassi to 3 more hospitals.

What medical group is Hannah Mary Grassi part of?

Hannah Grassi is linked to Atrius Health. Dmand AI links Hannah Grassi to 1 more medical group.

Does Hannah Mary Grassi accept Medicare?

Yes. CMS lists Hannah Grassi as accepting Medicare assignment.

Does Hannah Mary Grassi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Hannah Grassi as offering telehealth services.

How long has Hannah Mary Grassi been practicing?

Hannah Grassi graduated from medical school in 2024, 2 years ago.

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