J Investig Med High Impact Case Rep
Dr. Caleb Oster, DO
- Medicare services, 2024
- 5,061
- Medicare patients, 2024
- 2,244
- Part D claims, 2024
- 407
- Publications
- 1
- Hospital affiliations
- 6
- Practice address
- 1710 Harrison St, Batesville, AR 72501
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
White River Health System - Unit
Acute Care Hospital-Unit · Batesville, Arkansas
Find Dr. Oster's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Caleb Oster is an internist in Batesville, Arkansas
Dr. Oster practices at White River Health System - Unit in Batesville, Arkansas.
Dr. Oster's NPI, 1306226212, was assigned on June 5, 2015. Dr. Oster graduated from Philadelphia College of Osteopathic Medicine in 2015. Dr. Oster holds Arkansas license E-11394.
- NPI
- 1306226212NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113273061
- NPI enumeration date
- June 5, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Caleb Oster practices at White River Health System - Unit in Batesville, Arkansas
Dr. Oster's primary practice is White River Health System - Unit, at 1710 Harrison St, Batesville, AR 72501.
- White River Health System - Unit1710 Harrison St, Batesville, AR 72501
Source: Dmand AI Affiliation Data
Dr. Caleb Oster is affiliated with 7 sites of care and 1 medical group
Dr. Oster's primary practice is White River Health System - Unit in Batesville, Arkansas. Dr. Oster is also affiliated with White River Medical Center. The medical group on file is White River Health. Dmand AI also links Dr. Oster to 4 more hospitals and 1 hospice, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Caleb Oster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oster practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| White River Health System - Unit | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Caleb Oster is one of 642 internists in Arkansas
Internal medicine is Dr. Oster's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Oster is licensed in Arkansas.
Specialties and state licenses
- Internal medicine, ArkansasPrimary
Internists near Dr. Oster
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Caleb Oster billed Medicare for 5,061 services in 2024
CMS data shows 5,061 Medicare services from Dr. Oster across 8 procedure codes in 2024, for 2,244 Medicare patients. Medicare paid $126,950 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Oster's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5322024: 3,765608%
- Office and hospital visits
- 2023: 1,5662024: 1,29617%
Dr. Oster compared with the Arkansas median for internists, 2024
- Dr. Oster
- Arkansas median
- Medicare services
- 5,061vs 8426.0 times
- Medicare patients
- 2,244vs 2907.7 times
- Part D claims
- 96vs 19751% below
Medians across 627 internists in Arkansas with Dmand AI profiles that report each measure.
Dr. Oster's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Oster?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oster and other internists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Caleb Oster treated 2,244 Medicare patients in 2024, average age 76
CMS counts 2,244 Medicare patients who saw Dr. Oster in 2024. The largest group is 75 to 84, with 793 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Oster's median patient age at 62, with 56% women.
Dr. Oster's Medicare patients by age, 2024
Dr. Oster's Medicare patients by sex, 2024
- Women1,24756%
- Men99744%
Chronic conditions among Dr. Oster's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease53%
- Heart failure51%
- Anxiety40%
- Chronic kidney disease40%
- Atrial fibrillation38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Caleb Oster wrote 407 Medicare Part D claims in 2024
In 2024, Dr. Oster wrote 407 Medicare Part D claims for 102 patients. 91% of them were for generic drugs. CMS names the drug for 96 of them, across 7 drugs with 11 or more claims each, at $719 in total drug cost. In 2023, CMS named 160 claims across 10 drugs.
Dr. Oster's Part D claims by kind of drug, 2024
- Generic370 claims91%
- Brand-name37 claims9%
Dr. Oster's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Oster's Part D claims, 2024
- Opioids6%24 of 407 claims
- Antibiotics5%22 of 407 claims
- Antipsychotics, patients 65 and over3%14 of 407 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1602024: 9640%
Drugs named by CMS: 7 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Caleb Oster takes part in Medicare
Dr. Oster accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Caleb Oster has 1 publication on record
Dmand AI links 1 paper to Dr. Oster. Dr. Oster's most frequent co-authors are Charles Morris McClain, MD and Krishna C. Vedala, MD.
Dr. Oster's most frequent co-authors
Recent publications by Dr. Oster
See who Dr. Oster researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oster works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Caleb Oster received $477 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Oster from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $115.
General payments to Dr. Oster by program year, 2016 to 2025
Companies that paid Dr. Oster the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Caleb Oster graduated from Philadelphia College of Osteopathic Medicine
Dr. Oster graduated from Philadelphia College of Osteopathic Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Caleb Oster's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Caleb Oster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Caleb Oster's NPI number?
Dr. Caleb Oster's NPI number is 1306226212. It was assigned on June 5, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Caleb Oster?
Dr. Caleb Oster is an internist in Batesville, Arkansas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Caleb Oster practice?
Dr. Oster practices at 1710 Harrison St, Batesville, AR 72501. Dr. Oster's primary practice is White River Health System - Unit in Batesville, Arkansas. Dmand AI also links Dr. Oster to 4 hospitals and 1 hospice.
What is Dr. Caleb Oster's medical license number?
Dr. Oster holds Arkansas license E-11394.
Which hospitals is Dr. Caleb Oster affiliated with?
Dr. Oster is affiliated with White River Medical Center. Dmand AI links Dr. Oster to 5 more hospitals.
What medical group is Dr. Caleb Oster part of?
Dr. Oster is linked to White River Health.
Does Dr. Caleb Oster accept Medicare?
Yes. CMS data shows Dr. Oster billed Medicare for 5,061 services in 2024, and Dr. Oster accepts Medicare assignment.
How many Medicare patients does Dr. Caleb Oster see?
CMS counts 2,244 Medicare patients who saw Dr. Oster in 2024, with an average age of 76.
What services does Dr. Caleb Oster bill to Medicare?
In 2024, Dr. Oster's most billed Medicare services were heart test or procedure (93010), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Caleb Oster go to medical school?
Dr. Oster graduated from Philadelphia College of Osteopathic Medicine in 2015.
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What drugs does Dr. Caleb Oster prescribe most?
In 2024 Medicare Part D data, Dr. Oster's most prescribed drugs by claims were Levothyroxine Sodium, Lisinopril and Atorvastatin Calcium.
Has Dr. Caleb Oster received payments from drug or device companies?
CMS Open Payments shows $477 in general payments to Dr. Oster from 9 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Caleb Oster been practicing?
Dr. Oster graduated from medical school in 2015, 11 years ago.
Does Dr. Caleb Oster do research?
Dmand AI links 1 publication to Dr. Oster.
Who does Dr. Caleb Oster publish with?
Dr. Oster's most frequent co-authors are Charles Morris McClain, MD (1 shared paper) and Krishna C. Vedala, MD (1 shared paper).
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