NPPES file of Aug 9, 2026

Logan Jayne Cowan

Dentist · Pierre, SD

Logan Jayne Cowan is a dentist with a practice address in Pierre, South Dakota, and NPI 1063035822, issued on May 27, 2020. Check the license (South Dakota D1257, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063035822
Name
Logan Jayne Cowan
Primary taxonomy
Dentist 122300000X
License number
D1257 SD
Self-reported in NPPES; status is on the state search
Practice location
433 S Central Ave, Pierre, SD 57501
Phone
(605) 224-5966
Enumerated
May 27, 2020
Record last updated
May 27, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 433 S Central Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patrick Hermanson, DDSGeneral Practice Dentistry1679667703
  2. Erick Rath, DDSOral and Maxillofacial Surgery (Dentist)1760576896
  3. Brent Swenson, DDSGeneral Practice Dentistry1962596098

Verify Logan Jayne Cowan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license D1257
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

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1% more Medicare Part D claims than the average dentist in 2024

87 Medicare Part D claims for 67 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Logan Cowan87
  2. Specialty average86

Most prescribed

  1. Amoxicillin42 claims
  2. Amoxicillin-Clavulanate Potass14 claims
  3. Cephalexin12 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: $203.25

8 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, 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.

  1. Logan Cowan$203.25
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Logan Jayne Cowan among 235 dentist records in South Dakota

Logan Jayne Cowan 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 2020, is newer than 79% of them.

  • NPI issued2020 · 79% of these records are older, 17% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2020 · 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).

4 dentist records list a practice address in Pierre

They are 4 of the 283 NPPES records with a practice address in Pierre, and 235 dentist records in South Dakota.

The 8 dentist records with the nearest ZIP codes

  1. Kathleen Anderson, DOPierre, SD 575011932118759
  2. Jamie Maher, D.D.S.Pierre, SD 575011174658033
  3. Mark Nielsen, DDSPierre, SD 575011013135581
  4. Donald Nemer, D.D.S.Gregory, SD 575331952554537
  5. David Peterson, DDSRedfield, SD 574691033279484
  6. Ashley Edelburg, DMDMartin, SD 575511538698352
  7. Aaron Rumpca, D.D.S.Murdo, SD 575591497194252
  8. James Szana, DDSMurdo, SD 575591275684029

Common questions

What is Logan Jayne Cowan's NPI number?

Logan Jayne Cowan's National Provider Identifier (NPI) is 1063035822, issued on May 27, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Logan Jayne Cowan located?

The NPPES record lists a practice address at 433 S Central Ave, Pierre, SD, 57501. Phone: (605) 224-5966. Providers update this record themselves, so call before visiting.

How can I verify Logan Jayne Cowan's license?

NPPES lists South Dakota license number D1257, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Logan Jayne Cowan prescribe under Medicare Part D?

In 2024, Logan Jayne Cowan had 87 Medicare Part D claims for 67 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.