Eunhye Oak, MD
Neurology Physician · Rapid City, SD
Eunhye Oak, MD is a neurology physician with a practice address in Rapid City, South Dakota, and NPI 1790305787, issued on Apr 20, 2020. Check the license on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Eunhye Oak
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 330191 NY
Self-reported in NPPES; status is on the state search - Practice location
- 353 Fairmont Blvd, Rapid City, SD 57701
- Phone
- (605) 755-2223
- Enumerated
- Apr 20, 2020
- Record last updated
- Sep 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20251105004632); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2020
- Entity
- Type 1 · individual
Also registered at 353 Fairmont Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Riley AckermanPhysician Assistant1073241790
- Shakeel Ahmed, MDInternal Medicine Physician1356773113
- Osama Ahsan, DOHospitalist Physician1043903891
- Bayan Al Share, MDHematology & Oncology Physician1235582065
- Ghassan Al-Shbool, MDHematology & Oncology Physician1215450937
- Marc Aldrich, MDInternal Medicine Physician1932209442
Verify Eunhye Oak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average neurology physician in 2024
39 Medicare Part D claims for 17 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
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: $23.66
1 payment: food and beverage; the largest payer was Mitsubishi Tanabe Pharma America, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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.
Bills Medicare through one group practice
- Monument Health Rapid City Hospital IncRapid City, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurology Physician providers in South Dakota
There are 51 neurology physician records in South Dakota.
Other neurology physician records in South Dakota
- Ahmed Abd ElazimSioux Falls, SD1285157065
- Nessim Amin, MDSioux Falls, SD1316369523
- Hasmik Amirjanyan, MDSioux Falls, SD1396309670
- William Andrews, MDYankton, SD1649487588
- Arsalan Anwar, M.D.Sioux Falls, SD1760001838
- Michael Bergan, M.D.Sioux Falls, SD1487888012
- Jeffrey Boyle, MD/PHDSioux Falls, SD1326273681
- Douglas Brown, MDRapid City, SD1063591857
- Bonnie Bunch, MDSioux Falls, SD1265485312
- James Case, MDDakota Dunes, SD1992708853
Common questions
What is Eunhye Oak, MD's NPI number?
Eunhye Oak, MD's National Provider Identifier (NPI) is 1790305787, issued on Apr 20, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Eunhye Oak, MD located?
The NPPES record lists a practice address at 353 Fairmont Blvd, Rapid City, SD, 57701. Phone: (605) 755-2223. Providers update this record themselves, so call before visiting.
How can I verify Eunhye Oak, MD's license?
Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eunhye Oak, MD prescribe under Medicare Part D?
In 2024, Eunhye Oak, MD had 39 Medicare Part D claims for 17 beneficiaries; the average among neurology physician prescribers was 1,370. 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.