Dr. Jason L. Vassy, MD, MPH
- Publications
- 95
- Clinical trials
- 2
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 243 Charles St, Boston, MA 02114
- Practice phone
- Call (857) 364-2051
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA Boston Healthcare System
Boston, Massachusetts
Find Dr. Vassy'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. Jason L. Vassy is an internist in Boston, Massachusetts
Dr. Vassy practices at VA Boston Healthcare System in Boston, Massachusetts.
Dr. Vassy's NPI, 1053519835, was assigned on July 3, 2007. Dr. Vassy holds Pennsylvania license MT190423.
- NPI
- 1053519835NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2007
- NPI status
- Active
- Practice phone
- (857) 364-2051
- 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. Jason L. Vassy practices at VA Boston Healthcare System in Boston, Massachusetts
Dr. Vassy's primary practice is VA Boston Healthcare System, at 243 Charles St, Boston, MA 02114 in Suffolk County. The practice phone is (857) 364-2051.
- VA Boston Healthcare System243 Charles St, Boston, MA 02114 · Suffolk CountyPhone(857) 364-2051
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jason L. Vassy is affiliated with 2 sites of care and 1 medical group
Dr. Vassy's primary practice is VA Boston Healthcare System in Boston, Massachusetts. Dr. Vassy is also affiliated with Massachusetts Eye and Ear. Dmand AI also links Dr. Vassy to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jason L. Vassy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vassy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA Boston Healthcare System | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jason L. Vassy is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Vassy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Vassy is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Vassy
Counts of internists 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. Jason L. Vassy's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Vassy's median patient age at 80, with 0% women.
Dr. Vassy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Jason L. Vassy has 95 publications on record
Dmand AI links 95 papers to Dr. Vassy, published from 2011 to 2025. 2024 was the busiest year, with 9. The most frequent topics are Diabetes Mellitus, Type 2, Veterans and Genetic Testing. Dr. Vassy has published most often in Genet Med. Dr. Vassy's most frequent co-authors are James Benjamin Meigs, MD, David R. Gagnon, MD and Benjamin Kerman, MD.
Dr. Vassy's papers by year, 2016 to 2025
Topics Dr. Vassy writes about most
- Diabetes Mellitus, Type 2
- Veterans
- Genetic Testing
- Cardiovascular Diseases
- Coronary Artery Disease
- Genetic Predisposition to Disease
- Polymorphism, Single Nucleotide
- White People
Dr. Vassy's most frequent co-authors
- James Benjamin Meigs, MD18 shared papers
- David R. Gagnon, MD14 shared papers
- Benjamin Kerman, MD7 shared papers
Recent publications by Dr. Vassy
BMC Med Res Methodol
Cancer
See who Dr. Vassy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Vassy works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jason L. Vassy has worked on 2 clinical trials
Dmand AI links Dr. Vassy to 2 clinical trials. Conditions studied include Cardiovascular Diseases, Rare Diseases and Genetic Diseases, Inborn.
Conditions in Dr. Vassy's trials
- Cardiovascular Diseases
- Rare Diseases
- Genetic Diseases, Inborn
Recent clinical trials with Dr. Vassy
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Sources for Dr. Jason L. Vassy'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 DataDmand AI Org Hierarchy 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Jason L. Vassy
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. Jason L. Vassy's NPI number?
Dr. Jason L. Vassy's NPI number is 1053519835. It was assigned on July 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jason L. Vassy?
Dr. Jason L. Vassy is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jason L. Vassy practice?
Dr. Vassy practices at 243 Charles St, Boston, MA 02114. Dr. Vassy's primary practice is VA Boston Healthcare System in Boston, Massachusetts. Dmand AI also links Dr. Vassy to 1 medical group.
What is Dr. Jason L. Vassy's office phone number?
The practice phone on file for Dr. Vassy is (857) 364-2051.
What is Dr. Jason L. Vassy's medical license number?
Dr. Vassy holds Pennsylvania license MT190423.
Which hospitals is Dr. Jason L. Vassy affiliated with?
Dr. Vassy is affiliated with Massachusetts Eye and Ear.
How long has Dr. Jason L. Vassy been practicing?
Dr. Vassy's NPI was assigned in 2007.
Does Dr. Jason L. Vassy do research?
Dmand AI links 95 publications to Dr. Vassy, published from 2011 to 2025. Dr. Vassy has worked on 2 clinical trials.
Who does Dr. Jason L. Vassy publish with?
Dr. Vassy's most frequent co-authors are James Benjamin Meigs, MD (18 shared papers), David R. Gagnon, MD (14 shared papers) and Benjamin Kerman, MD (7 shared papers).
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