John Gus Stagias, M.D.
Gastroenterology Physician · Southbridge, MA
John Gus Stagias, M.D. is a gastroenterology physician with a practice address in Southbridge, Massachusetts, and NPI 1023012424, issued on Jun 13, 2005. Check the license (Massachusetts 80381, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John Gus Stagias
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 80381 MA
Self-reported in NPPES; status is on the state search - Practice location
- 428 Hamilton St, Southbridge, MA 01550
- Phone
- (508) 765-1600
- Enumerated
- Jun 13, 2005
- Record last updated
- Sep 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (508) 765-0253
- Medicaid ID
- 9773916 MA
- Medicare enrollment
- Enrolled (PECOS I20040518000465); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1988
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Verify John Gus Stagias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 80381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average gastroenterology physician in 2024
925 Medicare Part D claims for 221 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole100 claims
- Mesalamine66 claims
- Diphenoxylate-Atropine63 claims
- Sucralfate57 claims
- Famotidine46 claims
- Mesalamine Er39 claims
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): 85.2 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).
Industry payments in 2024: $851.21
40 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- John G Stagias MD PCWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Gus Stagias among 686 gastroenterology physician records in Massachusetts
John Gus Stagias, M.D. is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1988 · median 2004 among the 491 with a school on file
- Record last updated2012 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Southbridge → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Kelfer, MDAuburn, MA 015011306810296
- Jonathan Taylor, MDAuburn, MA 015011205800158
- Srikant Muddana, MDWorcester, MA 016041629125448
- Keshav Pandey, MDWorcester, MA 016041477509214
- Akwi Asombang, M.DWorcester, MA 016051679778765
- Michael Choi, MDWorcester, MA 016051922083344
- Harry Elvanides, MDWorcester, MA 016051164526869
- Neil Patel, MDWorcester, MA 016051184113300
Common questions
What is John Gus Stagias, M.D.'s NPI number?
John Gus Stagias, M.D.'s National Provider Identifier (NPI) is 1023012424, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Gus Stagias, M.D. located?
The NPPES record lists a practice address at 428 Hamilton St, Southbridge, MA, 01550. Phone: (508) 765-1600. Providers update this record themselves, so call before visiting.
How can I verify John Gus Stagias, M.D.'s license?
NPPES lists Massachusetts license number 80381, 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 John Gus Stagias, M.D. prescribe under Medicare Part D?
In 2024, John Gus Stagias, M.D. had 925 Medicare Part D claims for 221 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John Gus Stagias, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 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.