Jay Fong, M.D.
NPI 1801977640 · Pediatric Gastroenterology Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jay Fong, M.D. is a Pediatric Gastroenterology Physician provider in Worcester, MA (NPI 1801977640).
Provider details
- NPI number
- 1801977640
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 230289 (MA)
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
19 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
- 2006-10-18
- Last updated
- 2020-11-09
- Certified
- 2020-11-09
Frequently asked questions
- What is Jay Fong's NPI number?
- Jay Fong's National Provider Identifier (NPI) is 1801977640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Fong's specialty?
- Jay Fong is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Fong located?
- Jay Fong's practice location on file with NPPES is 55 Lake Ave North, Worcester, MA 01655.
- What is Jay Fong's phone number?
- The practice phone number listed in the NPPES registry for Jay Fong is (774) 441-8082.
- Does Jay Fong accept Medicare?
- Jay Fong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jay Fong's NPI active?
- Yes — Jay Fong's NPI (1801977640) is active in the NPPES registry as of the last update on 2020-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.