Dr. Benjamin Warren Casterline, MD
- Part D claims, 2024
- 370
- Publications
- 13
- Hospital affiliations
- 1
- Industry payments
- $2,074
- Medical group
- 1
- Practice address
- 1 Hospital Dr, Columbia, MO 65201
- Practice phone
- Call (573) 882-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital (MU Health Care)
Columbia, Missouri
Find Dr. Casterline'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. Benjamin Warren Casterline is an internist in Columbia, Missouri
Dr. Casterline practices at University Hospital (MU Health Care) in Columbia, Missouri.
Dr. Casterline's NPI, 1639746142, was assigned on June 4, 2021. Dr. Casterline graduated from Pritzker School of Medicine in 2021. Dr. Casterline's Illinois license number on file is 125.078570.
- NPI
- 1639746142NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022516517
- NPI enumeration date
- June 4, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 882-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Warren Casterline practices at University Hospital (MU Health Care) in Columbia, Missouri
Dr. Casterline's primary practice is University Hospital (MU Health Care), at 1 Hospital Dr, Columbia, MO 65201 in Boone County. The practice phone is (573) 882-4141.
- University Hospital (MU Health Care)1 Hospital Dr, Columbia, MO 65201 · Boone CountyPhone(573) 882-4141
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Benjamin Warren Casterline is affiliated with 3 sites of care and 1 medical group
Dr. Casterline's primary practice is University Hospital (MU Health Care) in Columbia, Missouri. Dr. Casterline is also affiliated with University Hospital. The medical group on file is University of Missouri Health Care. Dmand AI also links Dr. Casterline to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Benjamin Warren Casterline's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Casterline practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital (MU Health Care) | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin Warren Casterline is one of 2,114 internists in Missouri
Internal medicine is Dr. Casterline's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Casterline's licenses on file in 2 states: Illinois and Missouri.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
- Missouri license
Internists near Dr. Casterline
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. Benjamin Warren Casterline's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Casterline's median patient age at 70, with 54% women.
Dr. Casterline's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Benjamin Warren Casterline wrote 370 Medicare Part D claims in 2024
In 2024, Dr. Casterline wrote 370 Medicare Part D claims for 114 patients. 82% of them were for generic drugs. CMS names the drug for 220 of them, across 9 drugs with 11 or more claims each, at $407,933 in total drug cost. In 2023, CMS named 209 claims across 9 drugs.
Dr. Casterline's Part D claims by kind of drug, 2024
- Generic304 claims82%
- Brand-name66 claims18%
Dr. Casterline'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. Casterline's Part D claims, 2024
- Antibiotics8%30 of 370 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: 2092024: 2205%
Drugs named by CMS: 9 in 2024, 9 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
Dr. Benjamin Warren Casterline ranks in the 76th percentile for removal of skin lesions in Medicare
Dr. Casterline accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 114 procedures of removal of skin lesions by Dr. Casterline, more than 76% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Casterline ranks in Medicare procedure volume
- Removal of skin lesions
- 76th percentile114 procedures
- Skin biopsy
- 66th percentile31 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Benjamin Warren Casterline has 13 publications on record
Dmand AI links 13 papers to Dr. Casterline, published from 2012 to 2025. 2017 was the busiest year, with 3. The most frequent topics are Bacteroides fragilis, Bacterial Proteins and Bacterial Toxins. Dr. Casterline has published most often in Cureus. Dr. Casterline's most frequent co-authors are Kari Lyn Martin, MD, Vivian Meiwah Choi and James A. Roller, MD.
Dr. Casterline's papers by year, 2012 to 2025
Topics Dr. Casterline writes about most
- Bacteroides fragilis
- Bacterial Proteins
- Bacterial Toxins
- Metalloendopeptidases
- Mice, Inbred C57BL
- Microbial Interactions
- Virulence
Dr. Casterline's most frequent co-authors
- Kari Lyn Martin, MD3 shared papers
- Vivian Meiwah Choi2 shared papers
- James A. Roller, MD1 shared paper
Recent publications by Dr. Casterline
Am J Emerg Med
See who Dr. Casterline researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Casterline 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. Benjamin Warren Casterline received $2,074 in industry payments from 2022 to 2025
CMS Open Payments shows 23 general payments to Dr. Casterline from 9 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $480.
General payments to Dr. Casterline by program year, 2022 to 2025
Companies that paid Dr. Casterline the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Benjamin Warren Casterline graduated from Pritzker School of Medicine
Dr. Casterline graduated from Pritzker School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Benjamin Warren Casterline'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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)Doctors and Clinicians Utilization Data (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. Benjamin Warren Casterline
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. Benjamin Warren Casterline's NPI number?
Dr. Benjamin Warren Casterline's NPI number is 1639746142. It was assigned on June 4, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Warren Casterline?
Dr. Benjamin Warren Casterline is an internist in Columbia, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Benjamin Warren Casterline practice?
Dr. Casterline practices at 1 Hospital Dr, Columbia, MO 65201. Dr. Casterline's primary practice is University Hospital (MU Health Care) in Columbia, Missouri. Dmand AI also links Dr. Casterline to 1 group practice or clinic.
What is Dr. Benjamin Warren Casterline's office phone number?
The practice phone on file for Dr. Casterline is (573) 882-4141.
What is Dr. Benjamin Warren Casterline's medical license number?
Dr. Casterline's Illinois license number on file is 125.078570, one of the licenses on file in 2 states.
Which states has Dr. Benjamin Warren Casterline been licensed in?
Dmand AI has state licenses on file for Dr. Casterline in Illinois (2021 to 2022) and Missouri (2022 to 2025).
Which hospitals is Dr. Benjamin Warren Casterline affiliated with?
Dr. Casterline is affiliated with University Hospital.
What medical group is Dr. Benjamin Warren Casterline part of?
Dr. Casterline is linked to University of Missouri Health Care.
Does Dr. Benjamin Warren Casterline accept Medicare?
Yes. CMS lists Dr. Casterline as accepting Medicare assignment.
Where did Dr. Benjamin Warren Casterline go to medical school?
Dr. Casterline graduated from Pritzker School of Medicine in 2021.
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What drugs does Dr. Benjamin Warren Casterline prescribe most?
In 2024 Medicare Part D data, Dr. Casterline's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Clobetasol Propionate.
Has Dr. Benjamin Warren Casterline received payments from drug or device companies?
CMS Open Payments shows $2,074 in general payments to Dr. Casterline from 9 companies from 2022 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Benjamin Warren Casterline been practicing?
Dr. Casterline graduated from medical school in 2021, 5 years ago.
Does Dr. Benjamin Warren Casterline do research?
Dmand AI links 13 publications to Dr. Casterline, published from 2012 to 2025.
Who does Dr. Benjamin Warren Casterline publish with?
Dr. Casterline's most frequent co-authors are Kari Lyn Martin, MD (3 shared papers), Vivian Meiwah Choi (2 shared papers) and James A. Roller, MD (1 shared paper).
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