Quick answers
- Where does Zachary Lancaster see patients?
- Medicare's clinician data lists 2 practice locations, including Le Mars, IA and Marcus, IA. Call before your visit to confirm the address.
- What is Zachary Lancaster's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Zachary Lancaster accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary Lancaster 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 Zachary Lancaster?
- (712) 546-6685, as listed in official Medicare / NPI Registry data.
- What is Zachary Lancaster's NPI number?
- 1295263010. 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 Zachary Lancaster is enrolled with Medicare (CMS data updated 2026-10-02).
- 26 5th Ave NW, Lemars Eye CareLe Mars, IA 51031 (712) 546‑6685
- 406 N Main St, Marcus Eye ClinicMarcus, IA 51035 (712) 376‑2100
Group practices
Medicare enrollment lists Zachary Lancaster as a member of these groups (CMS data updated 2026-10-02).
- Hawkeye Clinic of Marcus PC4 clinicians in the group
- Le Mars Eye Care, PC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Le Mars
Clinicians with the same Medicare primary specialty in Le Mars, IA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Southern College Of Optometry |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295263010 |
| 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