Doctor profile · Federal record

Dr. Daniel O'Connor

Ophthalmology Physician (CMS: Ophthalmology) · Plymouth, MA

  • NPI 1194794958
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
146 Industrial Park RD
Plymouth, MA 023607243
(508) 833-6000
fax (508) 534-6060

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 12, 2022
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Massachusetts #80113
Medicaid (2)
MA #110056437A · MA #3145051

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194794958. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14,697
Distinct HCPCS
10
Medicare allowed
$1,400,305
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 4,805 946 $170
66984 Removal of cataract with insertion of prosthetic lens 4,194 181 $1
92136 Measurement of corneal curvature and depth of eye 1,789 1,203 $40
92012 Established patient problem focused exam of visual system 1,060 990 $93
92014 Established patient complete exam of visual system 1,005 927 $131
99204 New patient office or other outpatient visit, 45-59 minutes 547 547 $170
66821 Removal of recurring cataract in lens capsule using a laser 305 234 $287
92133 Imaging of optic nerve 216 214 $38
92083 Exam of visual field with extended testing 177 176 $65
92132 Imaging of front third of eye 169 167 $30

In context: peer comparison

Among 3 peers in Plymouth Ophthalmology Physician, average services per provider: 438. This provider delivers 34× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,884
Patients
4,821
Total drug cost
$237,972
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 2,295 1,536 $66,694
Diclofenac Sodium Generic 1,551 992 $15,415
Ofloxacin Generic 1,532 1,192 $17,424
Latanoprost Generic 851 271 $18,269
Timolol Maleate Generic 514 177 $8,946
Ketorolac Tromethamine Generic 374 304 $6,181
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 237 71 $9,023
Atropine Sulfate Generic 144 125 $3,628
Brimonidine Tartrate Generic 125 41 $6,315
Lumigan (Bimatoprost) Brand 81 34 $56,502

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel O'Connor's medical specialty?
Dr. Daniel O'Connor practices Ophthalmology Physician in Plymouth, MA.
Where does Dr. Daniel O'Connor practice?
Dr. Daniel O'Connor practices at 146 Industrial Park RD, Plymouth, MA 023607243. Office phone: 5088336000.
What is Dr. Daniel O'Connor's NPI?
Dr. Daniel O'Connor's National Provider Identifier (NPI) is 1194794958, issued by NPPES.
Does Dr. Daniel O'Connor accept Medicare assignment?
Yes. Dr. Daniel O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Measurement of corneal curvature and depth of eye (HCPCS 92136). Source: CMS Medicare Physician & Other Practitioners file.