Caleb Oster, D.O.
Internal Medicine Physician · Batesville, AR
Caleb Oster, D.O. is an internal medicine physician with a practice address in Batesville, Arkansas, and NPI 1306226212, issued on Jun 5, 2015. Check the license (Arkansas E-11394, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Caleb Oster
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- E-11394 AR
Self-reported in NPPES; status is on the state search - Practice location
- 1710 Harrison St, Batesville, AR 72501
- Phone
- (870) 262-1200
- Enumerated
- Jun 5, 2015
- Record last updated
- Jun 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180706001045); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 768 in Arkansas → Look up another NPI →
Also registered at 1710 Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Masawudu AbubakarStudent in an Organized Health Care Education/Training Program1568208882
- Ragda Ahmed, MDInternal Medicine Physician1609571405
- Suhaib Al-Sawajneh, M.DStudent in an Organized Health Care Education/Training Program1982336277
- Richard Alberti, CRNACertified Registered Nurse Anesthetist1013943315
- Omar Alkhatib, MDInternal Medicine Physician1992325773
- Jana Allen, CRNACertified Registered Nurse Anesthetist1770935702
Verify Caleb Oster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-11394Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
407 Medicare Part D claims for 102 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 24 claims were for opioids.
Most prescribed
- Levothyroxine Sodium23 claims
- Lisinopril14 claims
- Atorvastatin Calcium13 claims
- Furosemide13 claims
- Hydrocodone-Acetaminophen11 claims
- Lorazepam11 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.
Industry payments in 2024: $13.77
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- White River Health System, Inc.Batesville, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caleb Oster among 768 internal medicine physician records in Arkansas
Caleb Oster, D.O. is one of 768 internal medicine physician records with a practice address in Arkansas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2010 among the 519 with a school on file
- Record last updated2018 · 50% 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 Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 internal medicine physician records list a practice address in Batesville
They are 20 of the 1,004 NPPES records with a practice address in Batesville, and 768 internal medicine physician records in Arkansas.
All 768 in Arkansas → Every provider in Batesville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Neelima Gonugunta, M.D.,Batesville, AR 725011235371303
- Kalyan Gonugunta, M.D.Batesville, AR 725011528306503
- Doreen Kamoga, MDBatesville, AR 725011518490648
- Atif Khan, MDBatesville, AR 725011225097041
- Shoaib KhanBatesville, AR 725011548767130
- Anil Kumar, M.D.Batesville, AR 725011942433305
- Wyatt LydolphBatesville, AR 725011831505742
- Nathan McLaughlin, MDBatesville, AR 725011881886638
Common questions
What is Caleb Oster, D.O.'s NPI number?
Caleb Oster, D.O.'s National Provider Identifier (NPI) is 1306226212, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Caleb Oster, D.O. located?
The NPPES record lists a practice address at 1710 Harrison St, Batesville, AR, 72501. Phone: (870) 262-1200. Providers update this record themselves, so call before visiting.
How can I verify Caleb Oster, D.O.'s license?
NPPES lists Arkansas license number E-11394, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Caleb Oster, D.O. prescribe under Medicare Part D?
In 2024, Caleb Oster, D.O. had 407 Medicare Part D claims for 102 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.