Benjamin Nikolai Zwolan, OD
- Medicare patients, 2024
- 214
- Part D claims, 2024
- 114
- Industry payments
- $229
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 5301 Limestone Rd, Wilmington, DE 19808
- Practice phone
- Call (302) 239-1933
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Simon Eye Associates PA
Wilmington, Delaware
Find Benjamin Zwolan'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.
Benjamin Nikolai Zwolan is an optometrist in Wilmington, Delaware
Benjamin Zwolan practices at Simon Eye Associates PA in Wilmington, Delaware.
Benjamin Zwolan's NPI, 1629700240, was assigned on June 30, 2022. Benjamin Zwolan holds Pennsylvania license OEG003900.
- NPI
- 1629700240NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375900541
- NPI enumeration date
- June 30, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 239-1933
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Benjamin Nikolai Zwolan practices at Simon Eye Associates PA in Wilmington, Delaware
Benjamin Zwolan's primary practice is Simon Eye Associates PA, at 5301 Limestone Rd, Wilmington, DE 19808 in New Castle County. The practice phone is (302) 239-1933.
- Simon Eye Associates PA5301 Limestone Rd, Wilmington, DE 19808 · New Castle CountyPhone(302) 239-1933
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Benjamin Nikolai Zwolan is affiliated with 2 sites of care and 1 medical group
Benjamin Zwolan's primary practice is Simon Eye Associates PA in Wilmington, Delaware. Dmand AI also links Benjamin Zwolan to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Benjamin Nikolai Zwolan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Zwolan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Simon Eye Associates PA | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Benjamin Nikolai Zwolan is one of 134 optometrists in Delaware
Optometrist is Benjamin Zwolan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Benjamin Zwolan is licensed in Pennsylvania.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
Optometrists near Benjamin Zwolan
Counts of optometrists 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
Benjamin Nikolai Zwolan treated 214 Medicare patients in 2024, average age 74
CMS counts 214 Medicare patients who saw Benjamin Zwolan in 2024. The largest group is 65 to 74, with 126 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Benjamin Zwolan's median patient age at 71, with 58% women.
Benjamin Zwolan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Benjamin Zwolan's Medicare patients by sex, 2024
- Women12357%
- Men9143%
Chronic conditions among Benjamin Zwolan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis45%
- Diabetes37%
- Chronic kidney disease26%
- Ischemic heart disease26%
- Mood disorders24%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Benjamin Zwolan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women58%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Benjamin Nikolai Zwolan wrote 114 Medicare Part D claims in 2024
In 2024, Benjamin Zwolan wrote 114 Medicare Part D claims for 55 patients. 46% of them were for generic drugs.
Benjamin Zwolan's Part D claims by kind of drug, 2024
- Generic52 claims46%
- Brand-name62 claims54%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Benjamin Nikolai Zwolan ranks in the 52nd percentile for cataract surgery in Medicare
Benjamin Zwolan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of cataract surgery by Benjamin Zwolan, more than 52% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Benjamin Zwolan ranks in Medicare procedure volume
- Cataract surgery
- 52nd percentile28 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Benjamin Nikolai Zwolan received $229 in industry payments in 2025
CMS Open Payments shows 2 general payments to Benjamin Zwolan from 1 drug or device company in 2025. Speaker and faculty fees make up the largest share, 89% of the total. CooperVision Inc. paid the most, $229.
General payments to Benjamin Zwolan by kind, 2025 to 2025
- Speaker and faculty fees$20489%
- Food and beverage$2611%
Companies that paid Benjamin Zwolan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Benjamin Nikolai Zwolan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (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) |
| 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 Benjamin Nikolai Zwolan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Benjamin Nikolai Zwolan's NPI number?
Benjamin Nikolai Zwolan's NPI number is 1629700240. It was assigned on June 30, 2022, and it is active in the NPI Registry.
What does Benjamin Nikolai Zwolan specialize in?
Benjamin Nikolai Zwolan is an optometrist in Wilmington, Delaware. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Benjamin Nikolai Zwolan practice?
Benjamin Zwolan practices at 5301 Limestone Rd, Wilmington, DE 19808. Benjamin Zwolan's primary practice is Simon Eye Associates PA in Wilmington, Delaware. Dmand AI also links Benjamin Zwolan to 1 group practice or clinic and 1 medical group.
What is Benjamin Nikolai Zwolan's office phone number?
The practice phone on file for Benjamin Zwolan is (302) 239-1933.
What is Benjamin Nikolai Zwolan's medical license number?
Benjamin Zwolan holds Pennsylvania license OEG003900.
Does Benjamin Nikolai Zwolan accept Medicare?
Yes. CMS lists Benjamin Zwolan as accepting Medicare assignment.
How many Medicare patients does Benjamin Nikolai Zwolan see?
CMS counts 214 Medicare patients who saw Benjamin Zwolan in 2024, with an average age of 74.
Has Benjamin Nikolai Zwolan received payments from drug or device companies?
CMS Open Payments shows $229 in general payments to Benjamin Zwolan from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Benjamin Nikolai Zwolan been practicing?
Benjamin Zwolan graduated from medical school in 2022, 4 years ago.
Selling to optometrist practices?
See optometrists in Delaware by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card