Patient Educ Couns
Dr. Gareth Marshall, MD
- Publications
- 4
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 111 Grossman Dr, Braintree, MA 02184
- Practice phone
- Call (617) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harvard Vanguard Medical Associates
Braintree, Massachusetts
Find Dr. Marshall's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gareth Marshall is a pediatrician in Braintree, Massachusetts
Dr. Marshall practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.
Dr. Marshall's NPI, 1487159851, was assigned on March 28, 2018. Dr. Marshall holds Massachusetts license 287819.
- NPI
- 1487159851NPI Registry (opens in a new tab)
- NPI enumeration date
- March 28, 2018
- NPI status
- Active
- Practice phone
- (617) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gareth Marshall practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts
Dr. Marshall'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 Associates111 Grossman Dr, Braintree, MA 02184 · Norfolk CountyPhone(617) 421-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gareth Marshall is affiliated with 2 sites of care and 1 medical group
Dr. Marshall's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. The medical group on file is Atrius Health. Dmand AI also links Dr. Marshall to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gareth Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harvard Vanguard Medical Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gareth Marshall is one of 2,101 pediatricians in Massachusetts
Pediatrics is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Marshall is licensed in Massachusetts.
Specialties and state licenses
- Pediatrics, MassachusettsPrimary
Pediatricians near Dr. Marshall
Counts of pediatricians 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
Dr. Gareth Marshall's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 7, with 39% women.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women39%
- Men61%
Source: Dmand AI Patient Panel Data
Dr. Gareth Marshall has 4 publications on record
Dmand AI links 4 papers to Dr. Marshall, published from 2014 to 2015. The most frequent topics are Pediatric Obesity and Health Behavior. Dr. Marshall's most frequent co-authors are Thomas Dean Sequist, MD, Courtney Aileen Cunningham, MD and Jeffrey Thomas Neal, MD.
Topics Dr. Marshall writes about most
- Pediatric Obesity
- Health Behavior
Dr. Marshall's most frequent co-authors
- Thomas Dean Sequist, MD2 shared papers
- Courtney Aileen Cunningham, MD1 shared paper
- Jeffrey Thomas Neal, MD1 shared paper
Recent publications by Dr. Marshall
J Health Care Poor Underserved
Ann Emerg Med
See who Dr. Marshall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Gareth Marshall's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gareth Marshall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gareth Marshall's NPI number?
Dr. Gareth Marshall's NPI number is 1487159851. It was assigned on March 28, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Gareth Marshall?
Dr. Gareth Marshall is a pediatrician in Braintree, Massachusetts. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gareth Marshall practice?
Dr. Marshall practices at 111 Grossman Dr, Braintree, MA 02184. Dr. Marshall's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Dr. Marshall to 1 group practice or clinic.
What is Dr. Gareth Marshall's office phone number?
The practice phone on file for Dr. Marshall is (617) 421-1000.
What is Dr. Gareth Marshall's medical license number?
Dr. Marshall holds Massachusetts license 287819.
What medical group is Dr. Gareth Marshall part of?
Dr. Marshall is linked to Atrius Health.
How long has Dr. Gareth Marshall been practicing?
Dr. Marshall's NPI was assigned in 2018.
Does Dr. Gareth Marshall do research?
Dmand AI links 4 publications to Dr. Marshall, published from 2014 to 2015.
Who does Dr. Gareth Marshall publish with?
Dr. Marshall's most frequent co-authors are Thomas Dean Sequist, MD (2 shared papers), Courtney Aileen Cunningham, MD (1 shared paper) and Jeffrey Thomas Neal, MD (1 shared paper).
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