Alexandra Sue Gauer, DO
Family Medicine Physician · Watertown, SD
Alexandra Sue Gauer, DO is a family medicine physician with a practice address in Watertown, South Dakota, and NPI 1336888403, issued on May 27, 2022. Check the license (South Dakota 17663, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Alexandra Sue Gauer
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 17663 SD
125079748 IL
Self-reported in NPPES; status is on the state search - Practice location
- 511 14TH Ave NE, Watertown, SD 57201
- Phone
- (605) 886-8482
- Enumerated
- May 27, 2022
- Record last updated
- Aug 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20250911003539); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2022
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 511 14TH Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexandra Sue Gauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 17663Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
608 Medicare Part D claims for 69 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Metformin Hcl33 claims
- Lisinopril31 claims
- Metoprolol Succinate31 claims
- Atorvastatin Calcium27 claims
- Amlodipine Besylate20 claims
- Basaglar Kwikpen U-10020 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Prairie Lakes Health Care System IncWatertown, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
21 family medicine physician records list a practice address in Watertown
They are 21 of the 543 NPPES records with a practice address in Watertown, and 601 family medicine physician records in South Dakota.
All 21 in Watertown → All 601 in South Dakota → Every provider in Watertown →
Other family medicine physician records in South Dakota
- Adeem Abdulwahab, M.DSioux Falls, SD1720432073
- Gordon Abernathie, D.O.Rapid City, SD1053316174
- Kyle Adams, D.O.Rapid City, SD1881009496
- Mary Ahlers, DOBrookings, SD1609301365
- Alese Allerdings, M.D.De Smet, SD1285926261
- Jay Allison, MDSioux Falls, SD1235195041
- E. Amundson, MDSioux Falls, SD1144220914
- Sylvia Anderson, MDFaulkton, SD1790891844
- Wayne Anderson, MDSpearfish, SD1902834914
- Roberto Anel, MDSioux Falls, SD1841411444
Common questions
What is Alexandra Sue Gauer, DO's NPI number?
Alexandra Sue Gauer, DO's National Provider Identifier (NPI) is 1336888403, issued on May 27, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Sue Gauer, DO located?
The NPPES record lists a practice address at 511 14TH Ave NE, Watertown, SD, 57201. Phone: (605) 886-8482. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Sue Gauer, DO's license?
NPPES lists South Dakota license number 17663, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexandra Sue Gauer, DO prescribe under Medicare Part D?
In 2024, Alexandra Sue Gauer, DO had 608 Medicare Part D claims for 69 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.