Doctor profile · Federal record

Dr. William Maron, M.D

Ophthalmology Physician (CMS: Ophthalmology) · Hartford, CT

  • NPI 1942646898
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21 Woodland St Ste 222
Hartford, CT 061054318
(860) 522-5215

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Connecticut #56631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942646898. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
800
Distinct HCPCS
10
Medicare allowed
$69,347
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 212 212 $134
92250 Photography of the retina 197 195 $39
99213 Established patient office or other outpatient visit, 20-29 minutes 104 79 $95
99214 Established patient office or other outpatient visit, 30-39 minutes 92 71 $134
92083 Exam of visual field with extended testing 53 48 $66
92133 Imaging of optic nerve 52 50 $38
92134 Imaging of retina 36 36 $43
99202 New patient office or other outpatient visit, 15-29 minutes 19 19 $50
92202 Extended exam of the back part of the eye with optic nerve drawing 18 18 $16
92004 New patient complete exam of visual system 17 17 $159

In context: peer comparison

Among 6 peers in this city , average services per provider: 880. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$348
Transactions
17
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 4 $74.22
Harrow Eye, LLC 3 $65.62
Bausch & Lomb Americas Inc. 3 $54.56
Dompe US, Inc. 2 $49.46
Oyster Point Pharma, Inc. 2 $43.45
ABBVIE INC. 2 $37.69
Thea Pharma Inc. 1 $23.44

By nature of payment

Food and Beverage
$348

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
949
Patients
320
Total drug cost
$402,263
Drug Type Claims Patients Total cost
Latanoprost Generic 200 64 $7,619
Vyzulta (Latanoprostene Bunod) Brand 159 61 $141,678
Lumigan (Bimatoprost) Brand 122 43 $91,368
Timolol Maleate Generic 101 33 $2,546
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 86 26 $3,892
Travoprost Generic 53 22 $19,823
Rhopressa (Netarsudil Mesylate) Brand 34 13 $30,940
Combigan (Brimonidine Tartrate/Timolol) Brand 33 13 $20,427
Alphagan P (Brimonidine Tartrate) Brand 31 14 $18,823
Brimonidine Tartrate Generic 25 0 $7,605

Frequently asked questions

Auto-generated from federal data
What is Dr. William Maron's medical specialty?
Dr. William Maron practices Ophthalmology Physician in Hartford, CT.
Where does Dr. William Maron practice?
Dr. William Maron practices at 21 Woodland St Ste 222, Hartford, CT 061054318. Office phone: 8605225215.
What is Dr. William Maron's NPI?
Dr. William Maron's National Provider Identifier (NPI) is 1942646898, issued by NPPES.
Does Dr. William Maron accept Medicare assignment?
Yes. Dr. William Maron accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Maron commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.