LEO C. KATZ (M.D.) – Gastroenterology Physician, NPI 1700845633
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,185 GASTROENTEROLOGY in PA
Provider Addresses for LEO C. KATZ (M.D.)
132 S 10TH ST
480 MAIN BUILDING
PHILA, PA 191075244
Phone: (215) 955-8900
Fax: (215) 955-5245
Type: Location
1101 CHESTNUT ST
PHILA, PA 191073612
Phone: (215) 955-8900
Fax: (215) 955-5245
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $14.
Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.
Last reported payment date: 2023-11-07 • Largest payer in this snapshot: Celgene Corporation ($14).
Total Amount
$14
General + Research + Ownership
Payments
1
Total payment records
General Amount
$14
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Celgene Corporation | $14 |
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: 2010-10-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20101028000867 | I | Gastroenterology | PA | TBD |
| I20101028001104 | I | Gastroenterology | NJ | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 180 | 151 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 86 | 85 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 59 | 57 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 51 | 50 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 47 | 47 | $0 |
Insurance plans in this area (ZIP 19107)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | PA | |
| Diagnostic Radiology | NY | |
| O T O L A R Y N G O L O G Y | NJ | |
| N E U R O L O G Y | PA | |
| Diagnostic Radiology | PA | |
| - | VA | |
| Diagnostic Radiology | PA | |
| N E U R O L O G Y | PA | |
| Diagnostic Radiology | PA | |
| Diagnostic Radiology | NJ |
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