Jonathan Olegario, M.D.
Internal Medicine Physician · Mitchell, SD
Jonathan Olegario, M.D. is an internal medicine physician with a practice address in Mitchell, South Dakota, and NPI 1376532697, issued on Oct 19, 2005. Check the license on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Jonathan Olegario
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 120 W 6TH Ave, Mitchell, SD 57301
- Phone
- (605) 996-9141
- Enumerated
- Oct 19, 2005
- Entity
- Type 1 · individual
Also registered at 120 W 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin Bietz, FNPNurse Practitioner1144714205
- Alahna Gross, CNPFamily Nurse Practitioner1366720864
- Filemon Olegario, MDOphthalmology Physician1922052190
Verify Jonathan Olegario 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
6.8 times the Medicare Part D claims of the average internal medicine physician in 2024
19,043 Medicare Part D claims for 713 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 446 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium1,326 claims
- Levothyroxine Sodium773 claims
- Omeprazole579 claims
- Amlodipine Besylate545 claims
- Losartan Potassium504 claims
- Metoprolol Succinate477 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
- Avera Queen OF PeaceMitchell, SD · Critical Access Hospitals4 of 5 stars
- Rural Health Care IncMitchell, SD
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.
6 internal medicine physician records list a Mitchell practice address
They are 6 of the 359 NPPES records with a Mitchell practice address, and 331 internal medicine physician records in South Dakota.
All 6 in Mitchell → All 331 in South Dakota → Every provider in Mitchell →
Other internal medicine physician records in South Dakota
- Mouhanna Abu Ghanimeh, M.D.Sioux Falls, SD1962812982
- Emad Abu Sitta, M.DSioux Falls, SD1194165977
- Joyce Achenjang, M.DPine Ridge, SD1750736096
- Boakye-Yiadom Adomako, M.D.Yankton, SD1720774771
- Comfort Agaba, MDSioux Falls, SD1891221123
- Abdalah Ahmed, MDSioux Falls, SD1457091993
- Munir Ahmed, M.D.Sisseton, SD1962577585
- Shakeel Ahmed, MDRapid City, SD1356773113
- Ghassan Al-Shbool, MDRapid City, SD1215450937
- Swetha Alapati, MDSioux Falls, SD1982051421
Common questions
What is Jonathan Olegario, M.D.'s NPI number?
Jonathan Olegario, M.D.'s National Provider Identifier (NPI) is 1376532697, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Olegario, M.D. located?
The NPPES record lists a practice address at 120 W 6TH Ave, Mitchell, SD, 57301. Phone: (605) 996-9141. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Olegario, M.D.'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 Jonathan Olegario, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Olegario, M.D. had 19,043 Medicare Part D claims for 713 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.
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.