Jay G. Fong, M.D.
Pediatric Gastroenterology Physician · Worcester, MA
Jay G. Fong, M.D. is a pediatric gastroenterology physician with a practice address in Worcester, Massachusetts, and NPI 1801977640, issued on Oct 18, 2006. Check the license (Massachusetts 230289, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jay G. Fong
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- 230289 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave North, Worcester, MA 01655
- Phone
- (774) 441-8082
- Enumerated
- Oct 18, 2006
- Record last updated
- Nov 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (774) 441-8056
- Medicaid ID
- 110075071A MA
- Medicare enrollment
- Enrolled (PECOS I20080311000082); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 135 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave North
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Badon, MDOrthopaedic Surgery Physician1104134402
- Andrew Bennett, M.D., PH.D.Diagnostic Radiology Physician1104067966
- Emily Blanchard, NPAcute Care Nurse Practitioner1578382727
- Susan Bol, R.D.Registered Dietitian1396895603
- Billy Buff, MDDiagnostic Radiology Physician1164454229
- Ashley DucharmePhysician Assistant1437733078
Verify Jay G. Fong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 230289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average pediatric gastroenterology physician in 2024
11 Medicare Part D claims, against an average of 42 among the 289 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncNorthborough, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jay G. Fong among 135 pediatric gastroenterology physician records in Massachusetts
Jay G. Fong, M.D. is one of 135 pediatric gastroenterology physician records with a practice address in Massachusetts. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 65% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1999 · median 2004 among the 67 with a school on file
- Record last updated2020 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Massachusetts
There are 135 pediatric gastroenterology physician records in Massachusetts.
All 135 in Massachusetts → Every provider in Worcester → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Ninfa Candela, M.D.Worcester, MA 016551710130067
- Kerri Gosselin, MDWorcester, MA 016551447418496
- Andrew Grimm, MD, PHDWorcester, MA 016551417117482
- Kayla Hartjes, M.D.Worcester, MA 016551619339819
- Basavaraj Kerur, MDWorcester, MA 016551871741181
- Stanley Lau, M.D.Worcester, MA 016551457798027
- Jenifer Lightdale, MDWorcester, MA 016551932112380
- Richard Lirio, M.D.Worcester, MA 016551235321902
Common questions
What is Jay G. Fong, M.D.'s NPI number?
Jay G. Fong, M.D.'s National Provider Identifier (NPI) is 1801977640, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jay G. Fong, M.D. located?
The NPPES record lists a practice address at 55 Lake Ave North, Worcester, MA, 01655. Phone: (774) 441-8082. Providers update this record themselves, so call before visiting.
How can I verify Jay G. Fong, M.D.'s license?
NPPES lists Massachusetts license number 230289, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jay G. Fong, M.D. prescribe under Medicare Part D?
In 2024, Jay G. Fong, M.D. had 11 Medicare Part D claims; the average among pediatric gastroenterology physician prescribers was 42. Part D covers Medicare prescriptions only.
What is Jay G. Fong, M.D.'s MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.