Doctor profile · Federal record

Dr. Thomas Berenberg, M.D.

Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Ophthalmology Physician · Waterbury, CT

  • NPI 1407084544
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1201 W Main St, Suite 100
Waterbury, CT 067083105
(203) 573-4803
fax (203) 573-4805
Mailing address
1201W Main St 100
Waterbury, CT 067083105

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
June 26, 2024
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207WX0107X — NUCC code
State license (1)
Connecticut #054581

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407084544. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12,799
Distinct HCPCS
10
Medicare allowed
$1,953,338
HCPCS Description Services Patients Avg allowed
J2777 Injection, faricimab-svoa, 0.1 mg 7,140 26 $36
J0178 Injection, aflibercept, 1 mg 1,550 175 $853
92134 Imaging of retina 1,448 553 $43
67028 Injection of drug into eye 896 195 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 718 408 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 538 148 $135
92014 Established patient complete exam of visual system 254 239 $136
92250 Photography of the retina 108 93 $40
92012 Established patient problem focused exam of visual system 75 69 $97
J9035 Injection, bevacizumab, 10 mg 32 11 $71

In context: peer comparison

Among 3 peers in Waterbury Retina Specialist (Ophthalmology) Physician, average services per provider: 912. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
478
Patients
191
Total drug cost
$19,410
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 169 82 $9,772
Ketorolac Tromethamine Generic 114 36 $3,761
Brimonidine Tartrate Generic 42 21 $766
Moxifloxacin (Moxifloxacin Hcl) Brand 39 26 $1,102
Cyclopentolate Hcl Generic 26 15 $282
Timolol Maleate Generic 26 0 $197
Latanoprost Generic 20 0 $582
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 19 0 $389
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 12 11 $195
Simbrinza (Brinzolamide/Brimonidine Tart) Brand 11 0 $2,363

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Berenberg's medical specialty?
Dr. Thomas Berenberg practices Retina Specialist (Ophthalmology) Physician in Waterbury, CT.
Where does Dr. Thomas Berenberg practice?
Dr. Thomas Berenberg practices at 1201 W Main St, Waterbury, CT 067083105. Office phone: 2035734803.
What is Dr. Thomas Berenberg's NPI?
Dr. Thomas Berenberg's National Provider Identifier (NPI) is 1407084544, issued by NPPES.
Does Dr. Thomas Berenberg accept Medicare assignment?
Yes. Dr. Thomas Berenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Berenberg commonly perform?
Top Medicare-reported procedures in 2023: Injection, faricimab-svoa, 0.1 mg (HCPCS J2777); Injection, aflibercept, 1 mg (HCPCS J0178); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.