NPPES file of Aug 9, 2026

Darren Manthey, MD

Emergency Medicine Physician · Sioux Falls, SD

Darren Manthey, MD is an emergency medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1326059338, issued on Aug 11, 2006. Check the license (South Dakota 5668, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326059338
Name
Darren Manthey
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
5668 SD
Self-reported in NPPES; status is on the state search
Practice location
1305 W 18TH St, Sioux Falls, SD 57117
Phone
(605) 333-1000
Enumerated
Aug 11, 2006
Record last updated
Nov 16, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
6631170 SD
Medicare enrollment
Enrolled (PECOS I20050823001009); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2002
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.
Download card Updates feed

Also registered at 1305 W 18TH St

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

  1. Clinton Bresee, CRNACertified Registered Nurse Anesthetist1104367440
  2. Patricia Crotwell, PH.D.Ph.D. Medical Genetics1811173073
  3. Mark Erickson, MDHospitalist Physician1083651707
  4. Kari Hargens, CRNARegistered Nurse1770938540

Verify Darren Manthey 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 5668
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

42% fewer Medicare Part D claims than the average emergency medicine physician in 2024

131 Medicare Part D claims for 91 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 34 claims were for opioids.

  1. Darren Manthey131
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen28 claims
  2. Eliquis15 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.

Bills Medicare through one group practice

  1. Prairie Lakes Health Care System IncWatertown, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Darren Manthey among 122 emergency medicine physician records in South Dakota

Darren Manthey, MD is one of 122 emergency medicine physician records with a practice address in South Dakota. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 55% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2002 · median 2005 among the 45 with a school on file
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in South Dakota

There are 122 emergency medicine physician records in South Dakota.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Lucas Van Oeveren, M.D.Sioux Falls, SD 571171740487172
  2. John Jerstad, MDSioux Falls, SD 571081356365597
  3. Arliss Thompson, MDSioux Falls, SD 571081831113752
  4. Rossitza Vakarelska, MDSioux Falls, SD 571081134165442
  5. Joseph Alex, MDSioux Falls, SD 571051407484819
  6. Brooklyn Bertels, DOSioux Falls, SD 571051083143101
  7. Jon Christensen, DOSioux Falls, SD 571051790214815
  8. Nathan Elg, DOSioux Falls, SD 571051043747249

Common questions

What is Darren Manthey, MD's NPI number?

Darren Manthey, MD's National Provider Identifier (NPI) is 1326059338, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Darren Manthey, MD located?

The NPPES record lists a practice address at 1305 W 18TH St, Sioux Falls, SD, 57117. Phone: (605) 333-1000. Providers update this record themselves, so call before visiting.

How can I verify Darren Manthey, MD's license?

NPPES lists South Dakota license number 5668, 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 Darren Manthey, MD prescribe under Medicare Part D?

In 2024, Darren Manthey, MD had 131 Medicare Part D claims for 91 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.