Jason Vassy, MD, MPH
NPI 1053519835 · Internal Medicine Physician · Charlestown, MA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Vassy, MD, MPH is a Internal Medicine Physician provider in Charlestown, MA (NPI 1053519835).
Provider details
- NPI number
- 1053519835
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- No
- License
- MT190423 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-03
- Last updated
- 2011-07-12
Frequently asked questions
- What is Jason Vassy's NPI number?
- Jason Vassy's National Provider Identifier (NPI) is 1053519835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Vassy's specialty?
- Jason Vassy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Vassy located?
- Jason Vassy's practice location on file with NPPES is 73 High St, Charlestown, MA 02129-3026.
- What is Jason Vassy's phone number?
- The practice phone number listed in the NPPES registry for Jason Vassy is (617) 724-8160.
- Does Jason Vassy accept Medicare?
- Jason Vassy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Vassy's NPI active?
- Yes — Jason Vassy's NPI (1053519835) is active in the NPPES registry as of the last update on 2011-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.