NPPES file of Aug 9, 2026

Eric Grant Unkenholz, DDS

General Practice Dentistry · Rapid City, SD

Eric Grant Unkenholz, DDS is a general practice dentistry with a practice address in Rapid City, South Dakota, and NPI 1336300847, issued on Jun 18, 2008. Check the license (South Dakota D0825, 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
1336300847
Name
Eric Grant Unkenholz
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
D0825 SD
Self-reported in NPPES; status is on the state search
Practice location
716 Quincy St, Rapid City, SD 57701
Phone
(605) 399-9000
Enumerated
Jun 18, 2008
Record last updated
Jul 15, 2024
Fax
(605) 399-9008
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 716 Quincy St

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

  1. Haley Molstad, DDSDentist1679365407

Verify Eric Grant Unkenholz 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 D0825
    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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47% more Medicare Part D claims than the average general practice dentistry in 2024

122 Medicare Part D claims for 56 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Eric Unkenholz122
  2. Specialty average83

Most prescribed

  1. Amoxicillin49 claims
  2. Chlorhexidine Gluconate31 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: $392.45

8 payments; by number, the most common kind was food and beverage; the largest payer was Premier Dental Products Company. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Unkenholz$392.45
  2. Specialty average$597.01

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

Eric Grant Unkenholz among 318 general practice dentistry records in South Dakota

Eric Grant Unkenholz, DDS is one of 318 general practice dentistry 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 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2024 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

57 general practice dentistry records list a practice address in Rapid City

They are 57 of the 3,017 NPPES records with a practice address in Rapid City, and 318 general practice dentistry records in South Dakota.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Kurt Anderson, DDSRapid City, SD 577011700998374
  2. John Bridges, DDSRapid City, SD 577011568581270
  3. Greg Hanson, D.D.S.Rapid City, SD 577011639254006
  4. David Huskey, D.D.S.Rapid City, SD 577011881748465
  5. Donald Leonard, DDSRapid City, SD 577011588783203
  6. Edward Lynch, DDSRapid City, SD 577011306069216
  7. Keith Moler, DDSRapid City, SD 577011629131982
  8. Anh Nguyen Harper, DDSRapid City, SD 577011871612580

Common questions

What is Eric Grant Unkenholz, DDS's NPI number?

Eric Grant Unkenholz, DDS's National Provider Identifier (NPI) is 1336300847, issued on Jun 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Eric Grant Unkenholz, DDS located?

The NPPES record lists a practice address at 716 Quincy St, Rapid City, SD, 57701. Phone: (605) 399-9000. Providers update this record themselves, so call before visiting.

How can I verify Eric Grant Unkenholz, DDS's license?

NPPES lists South Dakota license number D0825, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Eric Grant Unkenholz, DDS prescribe under Medicare Part D?

In 2024, Eric Grant Unkenholz, DDS had 122 Medicare Part D claims for 56 beneficiaries; the average among general practice dentistry prescribers was 83. 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.