Registry data as of Aug 27, 2026

Houman Nourkeyhani, M.D.

Hematology & Oncology Physician · Sioux Falls, SD

Houman Nourkeyhani, M.D. is a hematology & oncology physician with a practice address in Sioux Falls, South Dakota, and NPI 1184935652, issued on Jun 29, 2010. Check the license (South Dakota 12013, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1184935652
Name
Houman Nourkeyhani
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
12013 SD
67854 MN
2016036721 MO
Self-reported in NPPES; status is on the state search
Practice location
1000 E 23RD St Ste 230, Sioux Falls, SD 57105
Phone
(605) 322-4996
Enumerated
Jun 29, 2010
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 1000 E 23RD St Ste 230

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

  1. Alyssa Anderson, NP-CFamily Nurse Practitioner1952659906
  2. Isabelle Joffer, CNPNurse Practitioner1073379483
  3. Ashley Martinmaas, PA-CPhysician Assistant1134578289
  4. Ryan Vaca, M.D.Hematology & Oncology Physician1700222148

Verify Houman Nourkeyhani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 12013    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
Open the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

69% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,497 Medicare Part D claims for 276 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 78 claims were for opioids.

  1. Houman Nourkeyhani1,497
  2. Specialty average885

Most prescribed

  1. Ondansetron Hcl173 claims
  2. Anastrozole90 claims
  3. Letrozole90 claims
  4. Lidocaine-Prilocaine86 claims
  5. Gabapentin77 claims
  6. Prednisone77 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 hospital and facility affiliations

  1. Covenant Medical Center IncSaginaw, MI
  2. Marlette Regional HospitalMarlette, MI · Critical Access Hospitals

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hematology & Oncology Physician providers in South Dakota

There are 19 hematology & oncology physician records in South Dakota.

All 19 in South Dakota → Every provider in Sioux Falls →

Other hematology & oncology physician records in South Dakota

  1. Ferdinand Addo, MDWatertown, SD1760461388
  2. Bayan Al Share, MDRapid City, SD1235582065
  3. Bipinkumar Amin, MDWatertown, SD1568415628
  4. Richard Conklin, MDAberdeen, SD1851394662
  5. Max Farver, MDYankton, SD1548261548
  6. Keely Hack, M.D.Sioux Falls, SD1184743148
  7. Mark Huber, M.D.Sioux Falls, SD1750357299
  8. Michael Keppen, M.D.Sioux Falls, SD1881690592
  9. James Kuzman, M.D., PH.D.Rapid City, SD1275760860
  10. Miroslaw Mazurczak, M.D.Sioux Falls, SD1437155140

Common questions

What is Houman Nourkeyhani, M.D.'s NPI number?

Houman Nourkeyhani, M.D.'s National Provider Identifier (NPI) is 1184935652, issued on Jun 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Houman Nourkeyhani, M.D. located?

The NPPES record lists a practice address at 1000 E 23RD St Ste 230, Sioux Falls, SD, 57105. Phone: (605) 322-4996. Providers update this record themselves, so call before visiting.

How can I verify Houman Nourkeyhani, M.D.'s license?

NPPES lists South Dakota license number 12013, as entered by the provider. 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 Houman Nourkeyhani, M.D. prescribe under Medicare Part D?

In 2024, Houman Nourkeyhani, M.D. had 1,497 Medicare Part D claims for 276 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.