NPPES file of Aug 9, 2026

Nathan Henry Wiederholt, O.D.

Optometrist · Custer, SD

Nathan Henry Wiederholt, O.D. is an optometrist with a practice address in Custer, South Dakota, and NPI 1447414461, issued on Jul 18, 2008. Check the license (South Dakota 656, 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
1447414461
Name
Nathan Henry Wiederholt
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
656 SD
Self-reported in NPPES; status is on the state search
Practice location
322 Mount Rushmore RD, Custer, SD 57730
Phone
(605) 673-2716
Enumerated
Jul 18, 2008
Record last updated
Jun 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(605) 673-2017
Medicaid ID
9203883 SD
Medicare enrollment
Enrolled (PECOS I20080828000233); accepts Medicare assignment
Medical or professional school
Pacific University - College Of Optometry, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Nathan Henry Wiederholt 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 656
    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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27% more Medicare Part D claims than the average optometrist in 2024

353 Medicare Part D claims for 109 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. Nathan Wiederholt353
  2. Specialty average277

Most prescribed

  1. Latanoprost154 claims
  2. Lumigan21 claims
  3. Erythromycin17 claims
  4. Brimonidine Tartrate16 claims
  5. Neomycin-Polymyxin-Dexameth15 claims
  6. Tobramycin-Dexamethasone12 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.

2 optometrist records list a practice address in Custer

They are 2 of the 56 NPPES records with a practice address in Custer, and 245 optometrist records in South Dakota.

Other optometrist records in South Dakota

  1. Katelin Albers-Kleinsasser, ODHuron, SD1194264390
  2. Derek Allmer, O.D.Rapid City, SD1164482907
  3. Eva Anderson, O.D.Sioux Falls, SD1558724054
  4. Gabrielle Anderson, ODSioux Falls, SD1366332249
  5. Paul Anderson, ODYankton, SD1356364236
  6. Shelby Anderson, ODSioux Falls, SD1528628062
  7. Vance Ankrum, O.D.Sioux Falls, SD1881653442
  8. Ryan Arlt, O.D.Beresford, SD1265432751
  9. Rachel Austvold, ODWatertown, SD1992543979
  10. John Bannwarth, O.D.Sioux Falls, SD1689824856

Common questions

What is Nathan Henry Wiederholt, O.D.'s NPI number?

Nathan Henry Wiederholt, O.D.'s National Provider Identifier (NPI) is 1447414461, issued on Jul 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Henry Wiederholt, O.D. located?

The NPPES record lists a practice address at 322 Mount Rushmore RD, Custer, SD, 57730. Phone: (605) 673-2716. Providers update this record themselves, so call before visiting.

How can I verify Nathan Henry Wiederholt, O.D.'s license?

NPPES lists South Dakota license number 656, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Nathan Henry Wiederholt, O.D. prescribe under Medicare Part D?

In 2024, Nathan Henry Wiederholt, O.D. had 353 Medicare Part D claims for 109 beneficiaries; the average among optometrist prescribers was 277. 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.