JACOB MICHAEL DIEDRICH OD
NPI 1407415599
Optometrist in Sioux City, IA
About Jacob Michael Diedrich Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACOB MICHAEL DIEDRICH OD (NPI 1407415599) is an individual optometrist in Sioux City, Iowa, licensed in South Dakota (758) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Sioux Falls, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jacob Michael Diedrich Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Jacob Diedrich reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57108
- Reassigned Medicare billing, South Dakota enrollment
- Medicare enrollment name: Howlin Vision Clinic PC
- 7 clinicians in this Medicare group
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 3 clinicians in this Medicare group
Sioux Falls, SD 57106
- Reassigned Medicare billing, South Dakota enrollment
- Medicare enrollment name: Eyecare Specialties Of South Dakota PC
- 11 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jacob Diedrich's NPI number?
The NPI number for Jacob Diedrich is 1407415599. It was assigned to this individual provider in the NPPES registry on June 11, 2019.
Where is Jacob Diedrich located?
Jacob Diedrich practices at 5001 Sergeant Rd Ste 45, Sioux City, IA 51106. The listed phone number is (712) 224-4600.
What is Jacob Diedrich's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Jacob Diedrich enrolled in Medicare?
Yes. Jacob Diedrich is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jacob Diedrich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Diedrich reassigns Medicare benefits to 3 organizations: Howlin Vision Clinic, P.C. (Sioux Falls, SD), Eye Guys PLLC (Sioux Falls, SD) and Eyecare Specialties Of South Dakota, P.C. (Sioux Falls, SD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jacob Diedrich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jacob Diedrich accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Providence Health Plan and Sanford Health Plan and 2 other insurers list Jacob Diedrich as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Jacob Diedrich was last updated on February 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Jacob Michael Diedrich, OD · NPI 1407415599
Optometrist provider in Sioux City, Iowa. Individual provider, active in the CMS NPPES registry since June 11, 2019.
## Identity
- **NPI:** 1407415599 (Entity type: Individual)
- **Enumerated:** June 11, 2019
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 758 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 5001 SERGEANT RD STE 45, Sioux City, IA 51106-4777
- **Phone:** (712) 224-4600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Howlin Vision Clinic, P.C. (NPI 1083777676, Sioux Falls, SD); Eye Guys PLLC (NPI 1104666502, Sioux Falls, SD); Eyecare Specialties Of South Dakota, P.C. (NPI 1942176680, Sioux Falls, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** February 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1407415599) · Data from the CMS NPPES public registry.