IndividualActive
John Vermeulen, MD
NPI 1215917596 · Gastroenterology Physician · South Weymouth, MA
Provider details
- NPI number
- 1215917596
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 54551 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1085 Main St
South Weymouth, MA 02190-1547
Phone: (781) 331-2922
Street-level locationGet directions
Mailing address
1085 Main St
South Weymouth, MA 02190-1547
Registry dates
- Enumerated
- 2006-01-20
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.