WILLIAM GRANT SCHULTHEIS MD
NPI 1649920729
Ophthalmology in Sioux Falls, SD
About William Grant Schultheis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM GRANT SCHULTHEIS MD (NPI 1649920729) is an individual ophthalmology provider in Sioux Falls, South Dakota, licensed in South Dakota (18673) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
William Grant Schultheis Md 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 Reassignment
Medicare enrollment records show William Schultheis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux Falls, SD 57108
- Reassigned Medicare billing, Minnesota and South Dakota enrollments
- 8 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 William Schultheis's NPI number?
The NPI number for William Schultheis is 1649920729. It was assigned to this individual provider in the NPPES registry on March 24, 2022.
Where is William Schultheis located?
William Schultheis practices at 3101 W 57th St, Sioux Falls, SD 57108. The listed phone number is (605) 361-3937.
What is William Schultheis's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is William Schultheis enrolled in Medicare?
Yes. William Schultheis 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 organization bills Medicare for William Schultheis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Schultheis reassigns Medicare benefits to Vance Thompson Vision Clinic Prof LLC (Sioux Falls, SD). The 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 William Schultheis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Schultheis accept?
Health plans from Sanford Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list William Schultheis 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 William Schultheis was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# William Grant Schultheis, MD · NPI 1649920729
Ophthalmology physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since March 24, 2022.
## Identity
- **NPI:** 1649920729 (Entity type: Individual)
- **Enumerated:** March 24, 2022
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 18673 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 3101 W 57TH ST, Sioux Falls, SD 57108-3162
- **Phone:** (605) 361-3937 · **Fax:** (605) 371-7199
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Vance Thompson Vision Clinic Prof LLC (NPI 1205193554, Sioux Falls, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 9, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1649920729) · Data from the CMS NPPES public registry.