DR. THOMAS A ROCKOFF (MD) – Gastroenterology Physician, NPI 1356313944
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
401 GASTROENTEROLOGY in CT
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Provider Addresses for DR. THOMAS A ROCKOFF (MD)
1312, West Main Street, West Side Hill, Waterbury, Naugatuck Valley Planning Region, Connecticut, 06708, United States
SUITE 101
WATERBURY, CT 06708
Phone: (203) 756-6722
Fax: (203) 756-2448
Type: Mailing
Waterbury Road, Prospect, New Haven County, Connecticut, 06712, United States
PROSPECT, CT 067121246
Phone: (203) 756-6722
Fax: (203) 756-2448
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 282 Open Payments records for all available years, with a total value of $5,670.
Total Amount is formed as General ($5,670) + Research ($0) + Ownership ($0) = $5,670.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($1,497).
Total Amount
$5,670
General + Research + Ownership
Payments
282
Total payment records
General Amount
$5,670
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,497 |
| Takeda Pharmaceuticals U.S.A., Inc. | $733 |
| Gilead Sciences, Inc. | $448 |
| PFIZER INC. | $275 |
| Janssen Biotech, Inc. | $247 |
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: 2004-06-11
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 |
|---|---|---|---|---|
| I20040611001019 | I | Gastroenterology | CT | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 89 | 82 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 80 | 76 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 76 | 76 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 70 | 62 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 64 | 64 | $0 |
Insurance plans in this area (ZIP 06708)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | CT | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 34 | 34 |
| GASTROENTEROLOGY | CT | 45378 | Diagnostic examination of large bowel using an endoscope | 40 | 39 |
| GASTROENTEROLOGY | CT | 45385 | Removal of polyps or growths of large bowel using an endoscope | 92 | 91 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| Gastroenterology, Internal Medicine | CT | |
| - | NY | |
| Nurse Practitioner | CT | |
| Certified Registered Nurse Anesthetist (Crna) | NY | |
| G A S T R O E N T E R O L O G Y | CT | |
| P A T H O L O G Y | WA | |
| Internal Medicine, Gastroenterology | CT | |
| Physician Assistant | CT | |
| Certified Registered Nurse Anesthetist (Crna) | CT |
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