DR. IOANNIS PAPAYANNIS (M.D.) – Gastroenterology Physician, NPI 1013250554
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
18,056 INTERNAL MEDICINE in NY
Provider Addresses for DR. IOANNIS PAPAYANNIS (M.D.)
Department Of Medicine
HSC Level 16-020, SUNY
Stony Brook, NY 117940001
Phone: (631) 444-7411
Fax: (631) 444-2493
Type: Location
1501 Kings Highway
Department of Medicine/Gastroenterology
Shreveport, LA 711030001
Phone: (318) 675-5982
Type: Location
1501 KINGS HIGHWAY
DEPARTMENT OF MEDICINE/GASTROENTEROLOGY
SHREVEPORT, LA 711030001
Phone: (318) 675-5982
Type: Location
4800 S HAZEL ST
PINE BLUFF, AR 716036860
Phone: (870) 534-5533
Fax: (870) 534-5535
Type: Location
PO BOX 33932
SHREVEPORT, LA 711303932
Phone: (318) 675-5982
Fax: (318) 675-5957
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 106 Open Payments records for all available years, with a total value of $2,143.
Total Amount is formed as General ($2,143) + Research ($0) + Ownership ($0) = $2,143.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: ABBVIE INC. ($528).
Total Amount
$2,143
General + Research + Ownership
Payments
106
Total payment records
General Amount
$2,143
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $528 |
| Takeda Pharmaceuticals U.S.A., Inc. | $458 |
| Janssen Biotech, Inc. | $372 |
| Celgene Corporation | $136 |
| Medtronic, Inc. | $93 |
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: 2024-02-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20190928000146 | I | Internal Medicine | LA | TBD |
| I20231206003968 | I | Internal Medicine | AR | TBD |
| I20240226000986 | I | Internal Medicine | MI | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 100 | 50 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 98 | 88 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 87 | 74 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 63 | 63 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 53 | 51 | $0 |
Insurance plans in this area (ZIP 11794)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Gastroenterology | AR | |
| - | AR | |
| G A S T R O E N T E R O L O G Y | AR | |
| P A T H O L O G Y | AR |
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