Roy L. Mortinsen, M.D.
Emergency Medicine Physician · Vermillion, SD
Roy L. Mortinsen, M.D. is an emergency medicine physician with a practice address in Vermillion, South Dakota, and NPI 1417954918, issued on Jun 30, 2005. Check the license (South Dakota 5066, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Roy L. Mortinsen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5066 SD
Self-reported in NPPES; status is on the state search - Practice location
- 20 S Plum St, Vermillion, SD 57069
- Phone
- (605) 624-9111
- Enumerated
- Jun 30, 2005
- Record last updated
- Mar 25, 2022
- Fax
- (605) 624-6636
- Medicaid ID
- 5611220 SD
- Medicare enrollment
- Enrolled (PECOS I20050401000764); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 122 in South Dakota → Look up another NPI →
Also registered at 20 S Plum St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Anderson, CNPFamily Nurse Practitioner1699056069
- Mary Auch, RDLNRegistered Dietitian1992717680
- Daniel Beutler, DOFamily Medicine Physician1679026678
- Meghan Buckman, RDRegistered Dietitian1396639498
- Anthony BurbachPhysician Assistant1548407554
- Tristan Campbell, APRNFamily Nurse Practitioner1740925973
Verify Roy L. Mortinsen 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 5066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average emergency medicine physician in 2024
57 Medicare Part D claims for 43 beneficiaries, against an average of 226 among the 54,106 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Sanford Health NetworkVermillion, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy L. Mortinsen among 122 emergency medicine physician records in South Dakota
Roy L. Mortinsen, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1999 · median 2005 among the 45 with a school on file
- Record last updated2022 · 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).
2 emergency medicine physician records list a practice address in Vermillion
They are 2 of the 179 NPPES records with a practice address in Vermillion, and 122 emergency medicine physician records in South Dakota.
All 122 in South Dakota → Every provider in Vermillion → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nicole SchimelpfenigVermillion, SD 570691023793031
- Benjamin Aaker, MDYankton, SD 570781811198278
- Courtney MerkwanYankton, SD 570781295908770
- Reid Allred, M.D.Madison, SD 570421437463767
- Richard Burruss, M.D.Sioux Falls, SD 571031447244389
- Timothy Nydam, M.D.Sioux Falls, SD 571041972714533
- Kelly Rhone, MDSioux Falls, SD 571041467463877
- Collin Vaughn, M.D.Sioux Falls, SD 571041104933068
Common questions
What is Roy L. Mortinsen, M.D.'s NPI number?
Roy L. Mortinsen, M.D.'s National Provider Identifier (NPI) is 1417954918, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Roy L. Mortinsen, M.D. located?
The NPPES record lists a practice address at 20 S Plum St, Vermillion, SD, 57069. Phone: (605) 624-9111. Providers update this record themselves, so call before visiting.
How can I verify Roy L. Mortinsen, M.D.'s license?
NPPES lists South Dakota license number 5066, 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 Roy L. Mortinsen, M.D. prescribe under Medicare Part D?
In 2024, Roy L. Mortinsen, M.D. had 57 Medicare Part D claims for 43 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Roy L. Mortinsen, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.