DR. JOHN P. KARAGIANNIS (M.D.) – Gastroenterology Physician, NPI 1386647170
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
448 GASTROENTEROLOGY in IN
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Provider Addresses for DR. JOHN P. KARAGIANNIS (M.D.)
Elkhart Post Office, 263, Northwest Main Street, Elkhart, Polk County, Iowa, 50073, United States
ELKHART, IN 465152968
Phone: (574) 296-3341
Fax: (574) 296-3223
Type: Mailing
South Nappanee Street, Elkhart, Elkhart County, Indiana, 46514, United States of America
ELKHART, IN 465142066
Phone: (574) 296-3341
Fax: (574) 296-3223
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 58 Open Payments records for all available years, with a total value of $842.
Total Amount is formed as General ($842) + Research ($0) + Ownership ($0) = $842.
Last reported payment date: 2024-11-07 • Largest payer in this snapshot: ABBVIE INC. ($404).
Total Amount
$842
General + Research + Ownership
Payments
58
Total payment records
General Amount
$842
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $404 |
| Janssen Biotech, Inc. | $164 |
| AIMMUNE THERAPEUTICS, INC. | $50 |
| Celgene Corporation | $50 |
| Takeda Pharmaceuticals U.S.A., Inc. | $40 |
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: 2010-08-30
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 |
|---|---|---|---|---|
| I20100830000506 | I | Gastroenterology | IN | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,600 | 19 | $0 |
| A9585 | Injection, gadobutrol, 0.1 ml | 1,250 | 16 | $0 |
| 93005 | Routine electrocardiogram (ecg) using at least 12 leads with tracing | 307 | 303 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 237 | 205 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 192 | 137 | $0 |
Insurance plans in this area (ZIP 46515)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Rheumatology, Internal Medicine | IN | |
| Pain Management | IN | |
| Nurse Practitioner | IN | |
| Nurse Practitioner | IN | |
| Cardiovascular Disease (Cardiology) | IN | |
| P O D I A T R Y | IN | |
| Nurse Practitioner | IN | |
| Qualified Audiologist | IN | |
| Internal Medicine | IN | |
| Nurse Practitioner | IN |
Reviews
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