Doctor profile · Federal record

Dr. Michael O'Brien, M.D.

Ophthalmology Physician · Warwick, RI

  • NPI 1417021940
  • MIPS 75.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
566 Toll Gate RD
Warwick, RI 028862799
(401) 738-4800
fax (401) 738-8153
Additional location
166 Cass Ave Unit 1
Woonsocket, RI 028954712
(401) 769-2511
fax (401) 769-7696
Additional location
2000 Chapel View Blvd Ste 100
Cranston, RI 029203091
(401) 227-4010
fax (401) 275-4972

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
September 21, 2022
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Rhode Island #MD09575
Medicaid
RI #7005923

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417021940. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,189
Distinct HCPCS
10
Medicare allowed
$520,976
HCPCS Description Services Patients Avg allowed
92134 Imaging of retina 612 302 $42
99214 Established patient office or other outpatient visit, 30-39 minutes 593 261 $132
67028 Injection of drug into eye 431 81 $116
92202 Extended exam of the back part of the eye with optic nerve drawing 402 294 $16
J0178 Injection, aflibercept, 1 mg 340 30 $872
92250 Photography of the retina 261 228 $39
92014 Established patient complete exam of visual system 254 219 $130
J9035 Injection, bevacizumab, 10 mg 251 52 $70
99213 Established patient office or other outpatient visit, 20-29 minutes 20 20 $94
92201 Extended exam of the back part of the eye with retinal drawing 13 13 $26

In context: peer comparison

Among 5 peers in Warwick Ophthalmology Physician, average services per provider: 356. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Harrow Eye, LLC 1 $17.12

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
14
Total drug cost
$1,854
Drug Type Claims Patients Total cost
Latanoprost Generic 54 14 $1,323
Timolol Maleate Generic 15 0 $175
Prednisolone Acetate Generic 12 0 $356

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael O'Brien's medical specialty?
Dr. Michael O'Brien practices Ophthalmology Physician in Warwick, RI.
Where does Dr. Michael O'Brien practice?
Dr. Michael O'Brien practices at 566 Toll Gate RD, Warwick, RI 028862799. Office phone: 4017384800.
What is Dr. Michael O'Brien's NPI?
Dr. Michael O'Brien's National Provider Identifier (NPI) is 1417021940, issued by NPPES.
What procedures does Dr. Michael O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Established patient office or other outpatient visit (HCPCS 99214); Injection of drug into eye (HCPCS 67028). Source: CMS Medicare Physician & Other Practitioners file.