DR. THOMAS BERENBERG (M.D.) – Retina Specialist (Ophthalmology) Physician, NPI 1407084544
Retina Specialist (Ophthalmology) Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
324 OPHTHALMOLOGY in CT
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Provider Addresses for DR. THOMAS BERENBERG (M.D.)
1201W MAIN ST 100
WATERBURY, CT 067083105
Phone: (203) 573-4803
Fax: (203) 573-4805
Type: Mailing
1201, West Main Street, West Side Hill, Waterbury, New Haven County, Connecticut, 06708, United States
SUITE 100
WATERBURY, CT 067083105
Phone: (203) 573-4803
Fax: (203) 573-4805
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2016-01-22
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 |
|---|---|---|---|---|
| I20160122001941 | I | Ophthalmology | 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 |
|---|---|---|---|---|
| J2777 | Injection, faricimab-svoa, 0.1 mg | 7,140 | 26 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 1,550 | 175 | $0 |
| 92134 | Imaging of retina | 1,448 | 553 | $0 |
| 67028 | Injection of drug into eye | 896 | 195 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 718 | 408 | $0 |
Insurance plans in this area (ZIP 06708)
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Group practice members
| Name | Specialty | State |
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| O P H T H A L M O L O G Y | CT | |
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| O P T O M E T R Y | CT | |
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| O P H T H A L M O L O G Y | CT |
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