Tyler Gillen, M.D.
Emergency Medical Services (Emergency Medicine) Physician · Yankton, SD
Tyler Gillen, M.D. is an emergency medical services (emergency medicine) physician with a practice address in Yankton, South Dakota, and NPI 1447678891, issued on Apr 2, 2014. Check the license (South Dakota 1024, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Tyler Gillen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 1024 SD
Self-reported in NPPES; status is on the state search - Practice location
- 501 Summit St, Yankton, SD 57078
- Phone
- (605) 668-8000
- Enumerated
- Apr 2, 2014
- Record last updated
- Jul 21, 2022
- Entity
- Type 1 · individual
Also registered at 501 Summit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin Aaker, MDEmergency Medicine Physician1811198278
- Boakye-Yiadom Adomako, M.D.Internal Medicine Physician1720774771
- Cortney Arkfeld, RNMedical-Surgical Registered Nurse1265132245
- Theophilus Bortier, MDInternal Medicine Physician1861141939
- Susan Bruening, CRNACertified Registered Nurse Anesthetist1093881906
- Calley BuckleyCertified Registered Nurse Anesthetist1467918144
Verify Tyler Gillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 1024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
148 Medicare Part D claims for 109 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Cephalexin18 claims
- Amoxicillin-Clavulanate Potass14 claims
- Ondansetron Odt14 claims
- Hydrocodone-Acetaminophen11 claims
- Tramadol Hcl11 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.
Emergency Medical Services (Emergency Medicine) Physician providers in South Dakota
There are 4 emergency medical services (emergency medicine) physician records in South Dakota.
Other emergency medical services (emergency medicine) physician records in South Dakota
- Michael GramlickSioux Falls, SD1770434128
- Hilary RockwellSioux Falls, SD1841312873
- Mark Vossler, MDClear Lake, SD1073540738
Common questions
What is Tyler Gillen, M.D.'s NPI number?
Tyler Gillen, M.D.'s National Provider Identifier (NPI) is 1447678891, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tyler Gillen, M.D. located?
The NPPES record lists a practice address at 501 Summit St, Yankton, SD, 57078. Phone: (605) 668-8000. Providers update this record themselves, so call before visiting.
How can I verify Tyler Gillen, M.D.'s license?
NPPES lists South Dakota license number 1024, 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 Tyler Gillen, M.D. prescribe under Medicare Part D?
In 2024, Tyler Gillen, M.D. had 148 Medicare Part D claims for 109 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.