Quick answers
- Where does Benjamin N. Zwolan see patients?
- Medicare's clinician data lists 2 practice locations, including Middletown, DE and Wilmington, DE. Call before your visit to confirm the address.
- What is Benjamin N. Zwolan's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Benjamin N. Zwolan accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin N. Zwolan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Benjamin N. Zwolan?
- (302) 239-1933, as listed in official Medicare / NPI Registry data.
- What is Benjamin N. Zwolan's NPI number?
- 1629700240. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Benjamin N. Zwolan is enrolled with Medicare (CMS data updated 2026-10-02).
- 472 E Main StMiddletown, DE 19709 (302) 239‑1933
- 5301 Limestone Rd, Suite 128Wilmington, DE 19808 (302) 239‑1933
Group practices
Medicare enrollment lists Benjamin N. Zwolan as a member of this group (CMS data updated 2026-10-02).
- Simon Eye Associates PA35 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Middletown
Clinicians with the same Medicare primary specialty in Middletown, DE — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629700240 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians