Am J Physiol Renal Physiol
Dr. Joseph Hunter Holthoff, MD, PhD
- Medicare services, 2024
- 418
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 669
- Publications
- 11
- Hospital affiliations
- 1
- Practice address
- 4301 West Markham Street Mail Slot 612, Little Rock, AR 72205
- Practice phone
- Call (501) 686-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Holthoff'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. Joseph Hunter Holthoff is a nephrologist in Little Rock, Arkansas
Dr. Holthoff practices at UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences.
Dr. Holthoff's NPI, 1073932281, was assigned on April 15, 2014. Dr. Holthoff graduated from University of Arkansas College of Medicine in 2014. Dr. Holthoff holds Arkansas license E-11278.
- NPI
- 1073932281NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678890969
- NPI enumeration date
- April 15, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 686-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Hunter Holthoff practices at UAMS Medical Center in Little Rock, Arkansas
Dr. Holthoff's primary practice is UAMS Medical Center, at 4301 West Markham Street Mail Slot 612, Little Rock, AR 72205 in Pulaski County. The practice phone is (501) 686-5000.
- UAMS Medical Center4301 West Markham Street Mail Slot 612, Little Rock, AR 72205 · Pulaski CountyPhone(501) 686-5000
Source: Dmand AI Affiliation Data
Dr. Joseph Hunter Holthoff is affiliated with 1 site of care and 2 medical groups
Dr. Holthoff's primary practice is UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences. The medical group on file is UAMS - University of Arkansas for Medical Sciences. Dmand AI also links Dr. Holthoff to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Hunter Holthoff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holthoff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UAMS Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Hunter Holthoff is one of 78 nephrologists in Arkansas
Nephrology is Dr. Holthoff's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Holthoff is licensed in Arkansas.
Specialties and state licenses
- Nephrology, ArkansasPrimary
Nephrologists near Dr. Holthoff
Counts of nephrologists 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. Joseph Hunter Holthoff billed Medicare for 418 services in 2024
CMS data shows 418 Medicare services from Dr. Holthoff across 10 procedure codes in 2024, for 193 Medicare patients. Medicare paid $25,078 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Holthoff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1742024: 27960%
- Other services
- 2023: 02024: 105
- Tests and treatments
- 2023: 02024: 34
Dr. Holthoff compared with the Arkansas median for nephrologists, 2024
- Dr. Holthoff
- Arkansas median
- Medicare services
- 418vs 1,28467% below
- Medicare patients
- 193vs 35846% below
- Part D claims
- 513vs 73230% below
Medians across 82 nephrologists in Arkansas with Dmand AI profiles that report each measure.
Dr. Holthoff'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. Holthoff?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holthoff and other nephrologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Hunter Holthoff treated 193 Medicare patients in 2024, average age 71
CMS counts 193 Medicare patients who saw Dr. Holthoff in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 23% are also on Medicaid. Their average risk score is 3.57, 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. Holthoff's median patient age at 69, with 56% women.
Dr. Holthoff's Medicare patients by age, 2024
Dr. Holthoff's Medicare patients by sex, 2024
- Women9449%
- Men9951%
Chronic conditions among Dr. Holthoff's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes57%
- Heart failure51%
- Arthritis47%
- Ischemic heart disease43%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holthoff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
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. Joseph Hunter Holthoff wrote 669 Medicare Part D claims in 2024
In 2024, Dr. Holthoff wrote 669 Medicare Part D claims for 124 patients. 89% of them were for generic drugs. CMS names the drug for 513 of them, across 17 drugs with 11 or more claims each, at $44,679 in total drug cost. In 2023, CMS named 396 claims across 14 drugs.
Dr. Holthoff's Part D claims by kind of drug, 2024
- Generic598 claims89%
- Brand-name71 claims11%
Dr. Holthoff'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. Holthoff's Part D claims, 2024
- Antibiotics3%17 of 669 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: 3962024: 51330%
Drugs named by CMS: 17 in 2024, 14 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. Joseph Hunter Holthoff takes part in Medicare
Dr. Holthoff 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. Joseph Hunter Holthoff has 11 publications on record
Dmand AI links 11 papers to Dr. Holthoff, published from 2011 to 2025. 2011 was the busiest year, with 4. The most frequent topics are Acute Kidney Injury, Kidney and Mice, Inbred C57BL. Dr. Holthoff has published most often in Am J Physiol Renal Physiol. Dr. Holthoff's most frequent co-authors are John M. Arthur, MD, Luis A. Juncos, MD and Nithin Karakala, MD.
Dr. Holthoff's papers by year, 2011 to 2025
Topics Dr. Holthoff writes about most
- Acute Kidney Injury
- Kidney
- Mice, Inbred C57BL
- Sepsis
- Blood Pressure
- Disease Models, Animal
- Glomerular Filtration Rate
- Microcirculation
Dr. Holthoff's most frequent co-authors
- John M. Arthur, MD3 shared papers
- Luis A. Juncos, MD3 shared papers
- Nithin Karakala, MD3 shared papers
Recent publications by Dr. Holthoff
Genes (Basel)
Kidney360
See who Dr. Holthoff researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Holthoff works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joseph Hunter Holthoff received $267 in industry payments from 2023 to 2025
CMS Open Payments shows 10 general payments to Dr. Holthoff from 2 drug and device companies from 2023 to 2025. Entertainment make up the largest share, 75% of the total. Quanta Dialysis Technologies Inc paid the most, $199.
General payments to Dr. Holthoff by program year, 2023 to 2025
General payments to Dr. Holthoff by kind, 2023 to 2025
- Entertainment$19975%
- Education$6825%
Companies that paid Dr. Holthoff the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Hunter Holthoff graduated from University of Arkansas College of Medicine
Dr. Holthoff graduated from University of Arkansas College of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Hunter Holthoff'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 DataDmand AI Org Hierarchy 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. Joseph Hunter Holthoff
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. Joseph Hunter Holthoff's NPI number?
Dr. Joseph Hunter Holthoff's NPI number is 1073932281. It was assigned on April 15, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Hunter Holthoff?
Dr. Joseph Hunter Holthoff is a nephrologist in Little Rock, Arkansas. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Joseph Hunter Holthoff practice?
Dr. Holthoff practices at 4301 West Markham Street Mail Slot 612, Little Rock, AR 72205. Dr. Holthoff's primary practice is UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences. Dmand AI also links Dr. Holthoff to 1 medical group.
What is Dr. Joseph Hunter Holthoff's office phone number?
The practice phone on file for Dr. Holthoff is (501) 686-5000.
What is Dr. Joseph Hunter Holthoff's medical license number?
Dr. Holthoff holds Arkansas license E-11278.
Which hospitals is Dr. Joseph Hunter Holthoff affiliated with?
Dr. Holthoff practices at UAMS Medical Center in Little Rock, Arkansas.
What medical group is Dr. Joseph Hunter Holthoff part of?
Dr. Holthoff is linked to UAMS - University of Arkansas for Medical Sciences. Dmand AI links Dr. Holthoff to 1 more medical group.
Does Dr. Joseph Hunter Holthoff accept Medicare?
Yes. CMS data shows Dr. Holthoff billed Medicare for 418 services in 2024, and Dr. Holthoff accepts Medicare assignment.
How many Medicare patients does Dr. Joseph Hunter Holthoff see?
CMS counts 193 Medicare patients who saw Dr. Holthoff in 2024, with an average age of 71.
What services does Dr. Joseph Hunter Holthoff bill to Medicare?
In 2024, Dr. Holthoff's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and hospital inpatient care (99233).
Show 6 more questionsShow fewer questions
Where did Dr. Joseph Hunter Holthoff go to medical school?
Dr. Holthoff graduated from University of Arkansas College of Medicine in 2014.
What drugs does Dr. Joseph Hunter Holthoff prescribe most?
In 2024 Medicare Part D data, Dr. Holthoff's most prescribed drugs by claims were Losartan Potassium, Calcitriol and Jardiance.
Has Dr. Joseph Hunter Holthoff received payments from drug or device companies?
CMS Open Payments shows $267 in general payments to Dr. Holthoff from 2 companies from 2023 to 2025. The largest total came from Quanta Dialysis Technologies Inc.
How long has Dr. Joseph Hunter Holthoff been practicing?
Dr. Holthoff graduated from medical school in 2014, 12 years ago.
Does Dr. Joseph Hunter Holthoff do research?
Dmand AI links 11 publications to Dr. Holthoff, published from 2011 to 2025.
Who does Dr. Joseph Hunter Holthoff publish with?
Dr. Holthoff's most frequent co-authors are John M. Arthur, MD (3 shared papers), Luis A. Juncos, MD (3 shared papers) and Nithin Karakala, MD (3 shared papers).
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