JOHN MATTHEW CASTOR (MD) – Gastroenterology Physician, NPI 1093987257
Gastroenterology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
863 GASTROENTEROLOGY in OH
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Provider Addresses for JOHN MATTHEW CASTOR (MD)
Olentangy River Rd, Knolls-Thomas, Columbus, Sharon, Franklin, Ohio, 43214, United States
COLUMBUS, OH 432021523
Phone: (614) 754-5500
Fax: (614) 457-9519
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $393.
Total Amount is formed as General ($393) + Research ($0) + Ownership ($0) = $393.
Last reported payment date: 2024-09-30 • Largest payer in this snapshot: ABBVIE INC. ($334).
Total Amount
$393
General + Research + Ownership
Payments
14
Total payment records
General Amount
$393
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $334 |
| GENZYME CORPORATION | $27 |
| Ferring Pharmaceuticals Inc. | $17 |
| Regeneron Healthcare Solutions, Inc. | $15 |
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: 2011-07-21
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 |
|---|---|---|---|---|
| I20110721000670 | I | Gastroenterology | OH | 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 | 142 | 140 | $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 | 87 | 85 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 63 | 60 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 41 | 41 | $0 |
Insurance plans in this area (ZIP 43202)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OH | |
| Physician Assistant | OH | |
| G A S T R O E N T E R O L O G Y | OH | |
| Certified Registered Nurse Anesthetist (Crna) | OH | |
| G A S T R O E N T E R O L O G Y | OH | |
| Certified Registered Nurse Anesthetist (Crna) | OH | |
| Nurse Practitioner | OH | |
| G A S T R O E N T E R O L O G Y | OH | |
| G A S T R O E N T E R O L O G Y | OH | |
| P A T H O L O G Y | PR |
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