Dr. Stefan S. O'Connor, MD
- Medicare services, 2024
- 1,737
- Medicare patients, 2024
- 549
- Part D claims, 2024
- 639
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 2055 Limestone Rd, Wilmington, DE 19808-5536
- Practice phone
- Call (302) 992-0238
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Stefan O'Connor Delaware Eye Doctor & Eye Surgeon
Physician office · Wilmington, Delaware
Find Dr. 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.
Dr. Stefan S. O'Connor is an ophthalmologist in Wilmington, Delaware
Dr. O'Connor practices at Dr. Stefan O'Connor Delaware Eye Doctor & Eye Surgeon in Wilmington, Delaware.
Dr. O'Connor's NPI, 1023089489, was assigned on February 1, 2006. Dr. O'Connor graduated from Jefferson Medical College of Thomas Jefferson University in 1988. Dr. O'Connor holds Delaware license C1-0003896.
- NPI
- 1023089489NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264572312
- NPI enumeration date
- February 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 992-0238
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stefan S. O'Connor practices at Dr. Stefan O'Connor Delaware Eye Doctor & Eye Surgeon in Wilmington, Delaware
Dr. O'Connor's primary practice is Dr. Stefan O'Connor Delaware Eye Doctor & Eye Surgeon, at 2055 Limestone Rd, Wilmington, DE 19808-5536. The practice phone is (302) 992-0238.
- Dr. Stefan O'Connor Delaware Eye Doctor & Eye Surgeon2055 Limestone Rd, Wilmington, DE 19808-5536Phone(302) 992-0238
Source: Dmand AI Affiliation Data
Dr. Stefan S. O'Connor is affiliated with 3 sites of care and 1 medical group
Dr. O'Connor's primary practice is Dr. Stefan O'Connor Delaware Eye Doctor & Eye Surgeon in Wilmington, Delaware. Dr. O'Connor is also affiliated with Christiana Hospital. The medical group on file is ChristianaCare. Dmand AI also links Dr. O'Connor to 1 more group practice or clinic, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stefan S. O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Stefan O'Connor Delaware Eye Doctor & Eye Surgeon | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stefan S. O'Connor is one of 62 ophthalmologists in Delaware
Ophthalmology is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. O'Connor is licensed in Delaware.
Specialties and state licenses
- Ophthalmology, DelawarePrimary
Ophthalmologists near Dr. 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
Dr. Stefan S. O'Connor billed Medicare for 1,737 services in 2024
CMS data shows 1,737 Medicare services from Dr. O'Connor across 9 procedure codes in 2024, for 549 Medicare patients. Medicare paid $98,583 for them.
Dr. O'Connor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,0402024: 1,0103%
- Office and hospital visits
- 2023: 7392024: 7272%
Where Dr. O'Connor's Medicare services took place, 2024
- In an office1,71799%
- In a facility201%
Dr. O'Connor compared with the Delaware median for ophthalmologists, 2024
- Dr. O'Connor
- Delaware median
- Medicare services
- 1,737vs 2,89340% below
- Medicare patients
- 549vs 87037% below
- Part D claims
- 606vs 53413% above
Medians across 61 ophthalmologists in Delaware with Dmand AI profiles that report each measure.
Dr. 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 Dr. O'Connor and other ophthalmologists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stefan S. O'Connor treated 549 Medicare patients in 2024, average age 69
CMS counts 549 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 65 to 74, with 214 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 33% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 66, with 55% women.
Dr. O'Connor's Medicare patients by age, 2024
Dr. O'Connor's Medicare patients by sex, 2024
- Women29654%
- Men25346%
Chronic conditions among Dr. O'Connor's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis33%
- Diabetes33%
- Anxiety27%
- Chronic kidney disease25%
- Osteoporosis22%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 66
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stefan S. O'Connor wrote 639 Medicare Part D claims in 2024
In 2024, Dr. O'Connor wrote 639 Medicare Part D claims for 154 patients. 78% of them were for generic drugs. CMS names the drug for 606 of them, across 12 drugs with 11 or more claims each, at $26,758 in total drug cost. In 2023, CMS named 596 claims across 14 drugs.
Dr. O'Connor's Part D claims by kind of drug, 2024
- Generic498 claims78%
- Brand-name141 claims22%
Dr. 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: 5962024: 6062%
Drugs named by CMS: 12 in 2024, 14 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
How Dr. Stefan S. O'Connor takes part in Medicare
Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Stefan S. O'Connor graduated from Jefferson Medical College of Thomas Jefferson University
Dr. O'Connor graduated from Jefferson Medical College of Thomas Jefferson University in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stefan S. 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 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) |
| 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 Dr. Stefan S. 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 Dr. Stefan S. O'Connor's NPI number?
Dr. Stefan S. O'Connor's NPI number is 1023089489. It was assigned on February 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stefan S. O'Connor?
Dr. Stefan S. O'Connor is an ophthalmologist in Wilmington, Delaware. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Stefan S. O'Connor practice?
Dr. O'Connor practices at 2055 Limestone Rd, Wilmington, DE 19808-5536. Dr. O'Connor's primary practice is Dr. Stefan O'Connor Delaware Eye Doctor & Eye Surgeon in Wilmington, Delaware. Dmand AI also links Dr. O'Connor to 1 group practice or clinic.
What is Dr. Stefan S. O'Connor's office phone number?
The practice phone on file for Dr. O'Connor is (302) 992-0238.
What is Dr. Stefan S. O'Connor's medical license number?
Dr. O'Connor holds Delaware license C1-0003896.
Which hospitals is Dr. Stefan S. O'Connor affiliated with?
Dr. O'Connor is affiliated with Christiana Hospital.
What medical group is Dr. Stefan S. O'Connor part of?
Dr. O'Connor is linked to ChristianaCare.
Does Dr. Stefan S. O'Connor accept Medicare?
Yes. CMS data shows Dr. O'Connor billed Medicare for 1,737 services in 2024, and Dr. O'Connor accepts Medicare assignment.
How many Medicare patients does Dr. Stefan S. O'Connor see?
CMS counts 549 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 69.
What services does Dr. Stefan S. O'Connor bill to Medicare?
In 2024, Dr. O'Connor's most billed Medicare services were eye exam or test (92201), office visit, established patient (99214) and eye exam or test (92014).
Show 3 more questionsShow fewer questions
Where did Dr. Stefan S. O'Connor go to medical school?
Dr. O'Connor graduated from Jefferson Medical College of Thomas Jefferson University in 1988.
What drugs does Dr. Stefan S. O'Connor prescribe most?
In 2024 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Latanoprost, Ofloxacin and Dorzolamide HCl.
How long has Dr. Stefan S. O'Connor been practicing?
Dr. O'Connor graduated from medical school in 1988, 38 years ago.
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