Daniel O'Connor
NPI 1194794958 · Ophthalmology Physician · Plymouth, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel O'Connor is a Ophthalmology Physician provider in Plymouth, MA (NPI 1194794958).
Provider details
- NPI number
- 1194794958
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 80113 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
14,069 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 6,882 | $1 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 1,701 | $40 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 1,620 | $479 |
| Established Patient Problem Focused Exam of Visual System92012 | 998 | $91 |
| Established Patient Complete Exam of Visual System92014 | 922 | $129 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 516 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 2,409 | 1,586 |
| Ketorolac Tromethamine | 1,959 | 1,244 |
| Ofloxacin | 1,554 | 1,194 |
| Latanoprost | 702 | 222 |
| Timolol Maleate | 461 | 149 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 187 | 52 |
| Atropine Sulfate | 128 | 109 |
| Dorzolamide Hcl | 98 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-15
- Last updated
- 2022-01-12
- Certified
- 2022-01-12
Frequently asked questions
- What is Daniel O'Connor's NPI number?
- Daniel O'Connor's National Provider Identifier (NPI) is 1194794958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel O'Connor's specialty?
- Daniel O'Connor is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel O'Connor located?
- Daniel O'Connor's practice location on file with NPPES is 146 Industrial Park Rd, Plymouth, MA 02360-7243.
- What is Daniel O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Daniel O'Connor is (508) 833-6000.
- Does Daniel O'Connor accept Medicare?
- Daniel O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel O'Connor's NPI active?
- Yes — Daniel O'Connor's NPI (1194794958) is active in the NPPES registry as of the last update on 2022-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.