Robert P. Marx, DDS
General Practice Dentistry · Dakota Dunes, SD
Robert P. Marx, DDS is a general practice dentistry with a practice address in Dakota Dunes, South Dakota, and NPI 1306498563, issued on Jul 9, 2019. Check the license (South Dakota D1238, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert P. Marx
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- D1238 SD
Self-reported in NPPES; status is on the state search - Practice location
- 150 Tower RD Ste 100, Dakota Dunes, SD 57049
- Phone
- (605) 242-7123
- Enumerated
- Jul 9, 2019
- Record last updated
- Jul 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 318 in South Dakota → Look up another NPI →
Also registered at 150 Tower RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber Wisner, DDSDentist1548485634
Verify Robert P. Marx 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 D1238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average general practice dentistry in 2024
52 Medicare Part D claims for 39 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin35 claims
- Methylprednisolone11 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: $619.90
3 payments; by number, the most common kind was gift; the largest payer was Ultradent Products Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Robert P. Marx among 318 general practice dentistry records in South Dakota
Robert P. Marx, 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 2019, is newer than 78% of them.
- NPI issued2019 · 78% of these records are older, 20% 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 updated2019 · 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).
General Practice Dentistry providers in South Dakota
There are 318 general practice dentistry records in South Dakota.
All 318 in South Dakota → Every provider in Dakota Dunes → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Bethany Nielsen, DDSNorth Sioux City, SD 570491265514681
- Gerald Elpert, D.D.S.Madison, SD 570421194760330
- Derrill Hanson, D.D.S.Madison, SD 570421255484218
- Bernard Schuurmans, DDSMadison, SD 570421215153218
- Janell BeckLennox, SD 570391750447751
- Curtis Johnson, D.D.S.Scotland, SD 570591902801459
- Christopher Dickes, D.D.S.Springfield, SD 570621619949112
- Adam Fjeldheim, DDSTea, SD 570641376169797
Common questions
What is Robert P. Marx, DDS's NPI number?
Robert P. Marx, DDS's National Provider Identifier (NPI) is 1306498563, issued on Jul 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Robert P. Marx, DDS located?
The NPPES record lists a practice address at 150 Tower RD Ste 100, Dakota Dunes, SD, 57049. Phone: (605) 242-7123. Providers update this record themselves, so call before visiting.
How can I verify Robert P. Marx, DDS's license?
NPPES lists South Dakota license number D1238, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Robert P. Marx, DDS prescribe under Medicare Part D?
In 2024, Robert P. Marx, DDS had 52 Medicare Part D claims for 39 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.