Neurogastroenterol Motil
Esophageal AchalasiaEsophageal Motility DisordersEsophageal Sphincter, Lower
Daniel Robert Arndorfer
NPI1821747007
- Part D claims, 2024
- 198
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $246
- State license
- 1
- Practice address
- 820 S Damen Street, Chicago, IL 60612
- Practice phone
- Call (312) 569-8387
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Daniel Robert Arndorfer is an internist in Chicago, Illinois
Daniel Arndorfer practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration.
Daniel Arndorfer's NPI, 1821747007, was assigned on March 23, 2022. Daniel Arndorfer holds Illinois license 125.079326.
NPI and contact details
- NPI
- 1821747007NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2022
- NPI status
- Active
- Practice phone
- (312) 569-8387
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Daniel Robert Arndorfer practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois
Daniel Arndorfer's primary practice is Jesse Brown Department of Veterans Affairs Medical Center, at 820 S Damen Street, Chicago, IL 60612 in Cook County. The practice phone is (312) 569-8387.
- Jesse Brown Department of Veterans Affairs Medical Center820 S Damen Street, Chicago, IL 60612 · Cook CountyPhone(312) 569-8387
Source: Dmand AI Affiliation Data
Daniel Robert Arndorfer is affiliated with 1 site of care
Daniel Arndorfer's primary practice is Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Daniel Robert Arndorfer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Arndorfer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jesse Brown Department of Veterans Affairs Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Daniel Robert Arndorfer is one of 5,652 internists in Illinois
Internal medicine is Daniel Arndorfer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Daniel Arndorfer is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Daniel Arndorfer
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
5,652internists in Illinois1,980internists in Chicago55internists at Jesse Brown Department of Veterans Affairs Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Daniel Robert Arndorfer's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Daniel Arndorfer's median patient age at 67, with 70% women.
Daniel Arndorfer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Daniel Robert Arndorfer wrote 198 Medicare Part D claims in 2024
In 2024, Daniel Arndorfer wrote 198 Medicare Part D claims for 28 patients. 96% of them were for generic drugs. CMS names the drug for 60 of them, across 4 drugs with 11 or more claims each, at $594 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Part D claims, 2024198
Drugs named by CMS4
Total drug cost$594
Part D patients28
Daniel Arndorfer's Part D claims by kind of drug, 2024
- Generic190 claims96%
- Brand-name and other8 claims4%
Daniel Arndorfer'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 60400%
Drugs named by CMS: 4 in 2024, 1 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
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Daniel Robert Arndorfer has 2 publications on record
Dmand AI links 2 papers to Daniel Arndorfer in 2024. 2024 was the busiest year, with 2. The most frequent topics are Esophageal Motility Disorders and Manometry. Daniel Arndorfer's most frequent co-authors are Dustin A. Carlson, MD, Peter J. Kahrilas, MD and John E. Pandolfino, MD.
Papers2
Topics Daniel Arndorfer writes about most
- Esophageal Motility Disorders
- Manometry
Daniel Arndorfer's most frequent co-authors
- Dustin A. Carlson, MD2 shared papers
- Peter J. Kahrilas, MD2 shared papers
- John E. Pandolfino, MD2 shared papers
Recent publications by Daniel Arndorfer
Clin Gastroenterol Hepatol
AgingEsophageal Motility DisordersEsophagus
See who Daniel Arndorfer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Daniel Arndorfer works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Daniel Robert Arndorfer received $246 in industry payments in 2025
CMS Open Payments shows 2 general payments to Daniel Arndorfer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $125.
Companies that paid Daniel Arndorfer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Daniel Robert Arndorfer'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 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) |
| 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) |
| 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 Daniel Robert Arndorfer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel Robert Arndorfer's NPI number?
Daniel Robert Arndorfer's NPI number is 1821747007. It was assigned on March 23, 2022, and it is active in the NPI Registry.
What does Daniel Robert Arndorfer specialize in?
Daniel Robert Arndorfer is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Daniel Robert Arndorfer practice?
Daniel Arndorfer practices at 820 S Damen Street, Chicago, IL 60612. Daniel Arndorfer's primary practice is Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration.
What is Daniel Robert Arndorfer's office phone number?
The practice phone on file for Daniel Arndorfer is (312) 569-8387.
What is Daniel Robert Arndorfer's medical license number?
Daniel Arndorfer holds Illinois license 125.079326.
Which hospitals is Daniel Robert Arndorfer affiliated with?
Daniel Arndorfer practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois.
What drugs does Daniel Robert Arndorfer prescribe most?
In 2024 Medicare Part D data, Daniel Arndorfer's most prescribed drugs by claims were Atorvastatin Calcium, Allopurinol and Famotidine.
Has Daniel Robert Arndorfer received payments from drug or device companies?
CMS Open Payments shows $246 in general payments to Daniel Arndorfer from 2 companies from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Daniel Robert Arndorfer been practicing?
Daniel Arndorfer's NPI was assigned in 2022.
Does Daniel Robert Arndorfer do research?
Dmand AI links 2 publications to Daniel Arndorfer.
Who does Daniel Robert Arndorfer publish with?
Daniel Arndorfer's most frequent co-authors are Dustin A. Carlson, MD (2 shared papers), Peter J. Kahrilas, MD (2 shared papers) and John E. Pandolfino, MD (2 shared papers).
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