Daniel J. O'Connor
- Medicare services, 2024
- 14,069
- Medicare patients, 2024
- 1,780
- Part D claims, 2024
- 7,929
- Industry payments
- $566
- Affiliated sites
- 1
- Practice address
- 146 Industrial Park Road, Plymouth, MA 02360
- Practice phone
- Call (508) 746-8600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Plymouth Laser & Surgical Center
Surgery Center - Medicare-Certified · Plymouth, Massachusetts
Find Daniel O'Connor's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Daniel J. O'Connor is an ophthalmologist in Plymouth, Massachusetts
Daniel O'Connor practices at Plymouth Laser & Surgical Center in Plymouth, Massachusetts.
Daniel O'Connor's NPI, 1194794958, was assigned on March 15, 2006. Daniel O'Connor graduated from Tulane University School of Medicine in 1987. Daniel O'Connor holds Massachusetts license 80113.
- NPI
- 1194794958NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042268088
- NPI enumeration date
- March 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 746-8600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Daniel J. O'Connor practices at Plymouth Laser & Surgical Center in Plymouth, Massachusetts
Daniel O'Connor's primary practice is Plymouth Laser & Surgical Center, at 146 Industrial Park Road, Plymouth, MA 02360. The practice phone is (508) 746-8600.
- Plymouth Laser & Surgical Center146 Industrial Park Road, Plymouth, MA 02360Phone(508) 746-8600
Source: Dmand AI Affiliation Data
Daniel J. O'Connor is affiliated with 1 site of care and 1 medical group
Daniel O'Connor's primary practice is Plymouth Laser & Surgical Center in Plymouth, Massachusetts. Dmand AI also links Daniel O'Connor to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Daniel J. O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel O'Connor practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Plymouth Laser & Surgical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Daniel J. O'Connor is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Daniel O'Connor's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Daniel O'Connor is licensed in Massachusetts.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
Ophthalmologists near Daniel O'Connor
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Daniel J. O'Connor billed Medicare for 14,069 services in 2024
CMS data shows 14,069 Medicare services from Daniel O'Connor across 14 procedure codes in 2024, for 1,780 Medicare patients. Medicare paid $993,193 for them.
Daniel O'Connor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 9,4012024: 9,2182%
- Tests and treatments
- 2023: 4,5902024: 4,2448%
- Office and hospital visits
- 2023: 7062024: 60714%
Where Daniel O'Connor's Medicare services took place, 2024
- In an office12,11286%
- In a facility1,95714%
Daniel O'Connor compared with the Massachusetts median for ophthalmologists, 2024
- Daniel O'Connor
- Massachusetts median
- Medicare services
- 14,069vs 1,5988.8 times
- Medicare patients
- 1,780vs 5943.0 times
- Part D claims
- 7,858vs 54514.4 times
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
Daniel O'Connor's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Daniel O'Connor and other ophthalmologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Daniel J. O'Connor treated 1,780 Medicare patients in 2024, average age 76
CMS counts 1,780 Medicare patients who saw Daniel O'Connor in 2024. The largest group is 75 to 84, with 821 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 7% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Daniel O'Connor's median patient age at 74, with 57% women.
Daniel O'Connor's Medicare patients by age, 2024
Daniel O'Connor's Medicare patients by sex, 2024
- Women1,06060%
- Men72040%
Chronic conditions among Daniel O'Connor's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis44%
- Anxiety23%
- Ischemic heart disease21%
- Diabetes18%
- Mood disorders18%
- Atrial fibrillation17%
Share of Medicare patients with each condition. A patient can have several.
Daniel O'Connor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Daniel J. O'Connor wrote 7,929 Medicare Part D claims in 2024
In 2024, Daniel O'Connor wrote 7,929 Medicare Part D claims for 1,934 patients. 66% of them were for generic drugs. CMS names the drug for 7,858 of them, across 17 drugs with 11 or more claims each, at $193,762 in total drug cost. In 2023, CMS named 7,884 claims across 15 drugs.
Daniel O'Connor's Part D claims by kind of drug, 2024
- Generic5,226 claims66%
- Brand-name2,703 claims34%
Daniel O'Connor's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,8842024: 7,858No change
Drugs named by CMS: 17 in 2024, 15 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Daniel J. O'Connor ranks in the 99th percentile for cataract surgery in Medicare
Daniel O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 2,111 procedures of cataract surgery by Daniel O'Connor, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Daniel O'Connor ranks in Medicare procedure volume
- Cataract surgery
- 99th percentile2,111 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Daniel J. O'Connor received $566 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Daniel O'Connor from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Novartis Pharmaceuticals Corporation paid the most, $218.
General payments to Daniel O'Connor by program year, 2016 to 2025
General payments to Daniel O'Connor by kind, 2016 to 2025
- Food and beverage$50790%
- Gifts$458%
- Honoraria$142%
Companies that paid Daniel O'Connor the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Daniel J. O'Connor graduated from Tulane University School of Medicine
Daniel O'Connor graduated from Tulane University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Daniel J. O'Connor's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Daniel J. O'Connor
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel J. O'Connor's NPI number?
Daniel J. O'Connor's NPI number is 1194794958. It was assigned on March 15, 2006, and it is active in the NPI Registry.
What does Daniel J. O'Connor specialize in?
Daniel J. O'Connor is an ophthalmologist in Plymouth, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Daniel J. O'Connor practice?
Daniel O'Connor practices at 146 Industrial Park Road, Plymouth, MA 02360. Daniel O'Connor's primary practice is Plymouth Laser & Surgical Center in Plymouth, Massachusetts. Dmand AI also links Daniel O'Connor to 1 medical group.
What is Daniel J. O'Connor's office phone number?
The practice phone on file for Daniel O'Connor is (508) 746-8600.
What is Daniel J. O'Connor's medical license number?
Daniel O'Connor holds Massachusetts license 80113.
Does Daniel J. O'Connor accept Medicare?
Yes. CMS data shows Daniel O'Connor billed Medicare for 14,069 services in 2024, and Daniel O'Connor accepts Medicare assignment.
How many Medicare patients does Daniel J. O'Connor see?
CMS counts 1,780 Medicare patients who saw Daniel O'Connor in 2024, with an average age of 76.
What services does Daniel J. O'Connor bill to Medicare?
In 2024, Daniel O'Connor's most billed Medicare services were surgery: eye (66984), eye exam or test (92136) and eye exam or test (92012).
Where did Daniel J. O'Connor go to medical school?
Daniel O'Connor graduated from Tulane University School of Medicine in 1987.
What drugs does Daniel J. O'Connor prescribe most?
In 2024 Medicare Part D data, Daniel O'Connor's most prescribed drugs by claims were Prednisolone Acetate, Ketorolac Tromethamine and Ofloxacin.
Has Daniel J. O'Connor received payments from drug or device companies?
CMS Open Payments shows $566 in general payments to Daniel O'Connor from 9 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Daniel J. O'Connor been practicing?
Daniel O'Connor graduated from medical school in 1987, 39 years ago.
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