ALEXANDRA SUE GAUER DO
NPI 1336888403
Family Medicine in Watertown, SD
About Alexandra Sue Gauer Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA SUE GAUER DO (NPI 1336888403) is an individual family medicine provider in Watertown, South Dakota, licensed in South Dakota (17663) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, is affiliated with Prairie Lakes Healthcare System, Inc, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (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
Alexandra Sue Gauer Do 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 Alexandra Gauer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Watertown, SD 57201
- Reassigned Medicare billing, South Dakota enrollment
- 109 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prairie Lakes Healthcare System, Inc
Acute Care Hospitals · Watertown, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57201 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 9
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 Alexandra Gauer's NPI number?
The NPI number for Alexandra Gauer is 1336888403. It was assigned to this individual provider in the NPPES registry on May 27, 2022.
Where is Alexandra Gauer located?
Alexandra Gauer practices at 511 14th Ave NE, Watertown, SD 57201. The listed phone number is (605) 886-8482.
What is Alexandra Gauer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alexandra Gauer enrolled in Medicare?
Yes. Alexandra Gauer 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 Alexandra Gauer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Gauer reassigns Medicare benefits to Prairie Lakes Health Care System Inc (Watertown, 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 Alexandra Gauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexandra Gauer accept?
Health plans from Avera Health Plans, Sanford Health Plan and Wellmark of South Dakota, Inc. list Alexandra Gauer 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.
Is Alexandra Gauer affiliated with any hospitals?
According to CMS data, Alexandra Gauer is affiliated with Prairie Lakes Healthcare System, Inc.
When was this NPI record last updated?
The NPPES record for Alexandra Gauer was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Alexandra Sue Gauer, DO · NPI 1336888403
Family Medicine physician in Watertown, South Dakota. Individual provider, active in the CMS NPPES registry since May 27, 2022.
## Identity
- **NPI:** 1336888403 (Entity type: Individual)
- **Enumerated:** May 27, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 17663 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 511 14TH AVE NE, Watertown, SD 57201-6811
- **Phone:** (605) 886-8482
## 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:** Prairie Lakes Health Care System Inc (NPI 1720166002, Watertown, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** At Still University Of Health Sciences, College Of Osteo Med, Kirksville, class of 2022
## Record status
- **NPPES last updated:** August 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1336888403) · Data from the CMS NPPES public registry.