Quick answers
- Where does Jacob M. Diedrich see patients?
- Medicare's clinician data lists 3 practice locations, including Sioux Falls, SD. Call before your visit to confirm the address.
- What is Jacob M. Diedrich's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Jacob M. Diedrich accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob M. Diedrich 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 Jacob M. Diedrich?
- (605) 367-9620, as listed in official Medicare / NPI Registry data.
- What is Jacob M. Diedrich's NPI number?
- 1407415599. 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 Jacob M. Diedrich is enrolled with Medicare (CMS data updated 2026-10-02).
- 227 S Phillips AveSioux Falls, SD 57104 (605) 367‑9620
- 3825 S Western AveSioux Falls, SD 57105 (605) 334‑7737
- 5129 S Western AveSioux Falls, SD 57108 (605) 332‑2231
Group practices
Medicare enrollment lists Jacob M. Diedrich as a member of these groups (CMS data updated 2026-10-02).
- Howlin Vision Clinic PC7 clinicians in the group
- Eye Guys PLLC3 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Sioux Falls
Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407415599 |
| 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