DR. JOHN GUS STAGIAS (M.D.) – Gastroenterology Physician, NPI 1023012424
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
828 GASTROENTEROLOGY in MA
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Provider Addresses for DR. JOHN GUS STAGIAS (M.D.)
428, Hamilton Street, Globe Village, Southbridge, Worcester County, Massachusetts, 01550, United States
SOUTHBRIDGE, MA 015501859
Phone: (508) 765-1600
Fax: (508) 765-0253
Type: Location
PO BOX 250
STURBRIDGE, MA 015660250
Phone: (508) 765-1600
Fax: (508) 765-0253
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 68 Open Payments records for all available years, with a total value of $1,376.
Total Amount is formed as General ($1,376) + Research ($0) + Ownership ($0) = $1,376.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Janssen Biotech, Inc. ($501).
Total Amount
$1,376
General + Research + Ownership
Payments
68
Total payment records
General Amount
$1,376
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $501 |
| ABBVIE INC. | $313 |
| Celgene Corporation | $250 |
| Lilly USA, LLC | $48 |
| PFIZER INC. | $45 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-05-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040518000465 | I | Gastroenterology | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 144 | 143 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 89 | 75 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 84 | 81 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 71 | 70 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 67 | 62 | $0 |
Insurance plans in this area (ZIP 01550)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MA | 45378 | Diagnostic examination of large bowel using an endoscope | 80 | 78 |
| GASTROENTEROLOGY | MA | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 56 | 56 |
| GASTROENTEROLOGY | MA | 45385 | Removal of polyps or growths of large bowel using an endoscope | 124 | 124 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA |
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