Leeann Diercks, D.D.S.
Dentist · Watertown, SD
Leeann Diercks, D.D.S. is a dentist with a practice address in Watertown, South Dakota, and NPI 1174934574, issued on May 19, 2014. Check the license (South Dakota D1113, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leeann Diercks
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License numbers
- D1113 SD
D13356 MN
Self-reported in NPPES; status is on the state search - Practice location
- 20 19TH St SE, Watertown, SD 57201
- Phone
- (605) 886-2805
- Enumerated
- May 19, 2014
- Record last updated
- Jun 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 235 in South Dakota → Look up another NPI →
Also registered at 20 19TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brent Schulte, DDSDentist1992554489
- Grant Titze, DDS PCDentist1538207758
- Erika Zink, D.D.S.Dentist1295805976
Verify Leeann Diercks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license D1113Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average dentist in 2024
53 Medicare Part D claims for 32 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin36 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.
Industry payments in 2024: $44.84
3 payments; by number, the most common kind was food and beverage; the largest payer was GC America Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Leeann Diercks among 235 dentist records in South Dakota
Leeann Diercks, D.D.S. is one of 235 dentist records with a practice address in South Dakota. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 61% of them.
- NPI issued2014 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2016 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 dentist records list a practice address in Watertown
They are 20 of the 543 NPPES records with a practice address in Watertown, and 235 dentist records in South Dakota.
All 235 in South Dakota → Every provider in Watertown → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Hally Bach, D.D.S.Watertown, SD 572011639150188
- Darin Bach, D.D.S.Watertown, SD 572011407838741
- Gregory Gertsen, DDSWatertown, SD 572011427078351
- Michael Hawley, DDS MSWatertown, SD 572011891775904
- Kevin Hericks, DDS PCWatertown, SD 572011184762338
- Amber Meyer, D.D.S.Watertown, SD 572011356639926
- Nathaniel Miller, D.D.S.Watertown, SD 572011689053241
- Collin Palmquist, D.D.S.Watertown, SD 572011285757658
Common questions
What is Leeann Diercks, D.D.S.'s NPI number?
Leeann Diercks, D.D.S.'s National Provider Identifier (NPI) is 1174934574, issued on May 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Leeann Diercks, D.D.S. located?
The NPPES record lists a practice address at 20 19TH St SE, Watertown, SD, 57201. Phone: (605) 886-2805. Providers update this record themselves, so call before visiting.
How can I verify Leeann Diercks, D.D.S.'s license?
NPPES lists South Dakota license number D1113, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Leeann Diercks, D.D.S. prescribe under Medicare Part D?
In 2024, Leeann Diercks, D.D.S. had 53 Medicare Part D claims for 32 beneficiaries; the average among dentist prescribers was 86. 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.