Jane Ruth-Ellen Oosthuizen, DO
Internal Medicine Physician · Dayton, OH
Jane Ruth-Ellen Oosthuizen, DO is an internal medicine physician with a practice address in Dayton, Ohio, and NPI 1598124646, issued on Feb 17, 2016. Check the license (Ohio 34.013649, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Jane Ruth-Ellen Oosthuizen
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34.013649 OH
Self-reported in NPPES; status is on the state search - Practice location
- 33 W Rahn RD, Dayton, OH 45429
- Phone
- (937) 433-8990
- Enumerated
- Feb 17, 2016
- Record last updated
- Sep 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (937) 433-8691
- Medicare enrollment
- Enrolled (PECOS I20191014002288); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 33 W Rahn RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jane Ruth-Ellen Oosthuizen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.013649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
535 Medicare Part D claims for 247 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass25 claims
- Methocarbamol25 claims
- Oxycodone-Acetaminophen22 claims
- Prednisone22 claims
- Atorvastatin Calcium20 claims
- Furosemide16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 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
- South Dayton Acute Care Consultants, IncDayton, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jane Ruth-Ellen Oosthuizen among 5,277 internal medicine physician records in Ohio
Jane Ruth-Ellen Oosthuizen, DO is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2015 · median 2006 among the 3,414 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
225 internal medicine physician records list a practice address in Dayton
They are 225 of the 12,431 NPPES records with a practice address in Dayton, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Dayton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Kurt Fleagle, M.D.Kettering, OH 454291750382602
- Nancy Liu, MDKettering, OH 454291992706816
- Joseph Mastandrea, D.O.Kettering, OH 454291649262924
- John Mauer, MDKettering, OH 454291407812829
- Jo Pelfrey, M.D.Kettering, OH 454291588665582
- Indu Rao, MDDayton, OH 454291447242045
Common questions
What is Jane Ruth-Ellen Oosthuizen, DO's NPI number?
Jane Ruth-Ellen Oosthuizen, DO's National Provider Identifier (NPI) is 1598124646, issued on Feb 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jane Ruth-Ellen Oosthuizen, DO located?
The NPPES record lists a practice address at 33 W Rahn RD, Dayton, OH, 45429. Phone: (937) 433-8990. Providers update this record themselves, so call before visiting.
How can I verify Jane Ruth-Ellen Oosthuizen, DO's license?
NPPES lists Ohio license number 34.013649, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jane Ruth-Ellen Oosthuizen, DO prescribe under Medicare Part D?
In 2024, Jane Ruth-Ellen Oosthuizen, DO had 535 Medicare Part D claims for 247 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jane Ruth-Ellen Oosthuizen, DO's MIPS final score?
The 2023 MIPS final score is 100 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.