Arnold Han is a Gastroenterology physician affiliated with Columbia University. OpenAlex indexes 59 publications with 5,789 citations (h-index 24).
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
161 Fort Washington Ave
D
New York, NY 100323729
Telephone
212-305-1909Provider last certified this registry record 29 Oct 2024.
Industry payments
4 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Mallinckrodt Hospital Products Inc.Program year20251 payment
- Cook Medical LLCProgram year20251 payment
- Mallinckrodt Hospital Products Inc.Program year20241 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
NIH funding
4 NIH research awards on record, funded 2016–2026 per NIH RePORTER. The latest:
- Cytotoxic T cells and the epithelium in celiac disease
Columbia University Health Sciences
FY2026$821,018R01DK146472 - T helper cells and stem cells in colon homeostasis and tumor initiation
Columbia University Health Sciences
FY2026$715,501R01DK142438 - T helper cells and stem cells in colon homeostasis and tumor initiation
Columbia University Health Sciences
FY2025$715,501R01DK142438
Awards in the NIH RePORTER records where a principal investigator name matches this physician at an organization in their practice state. Latest award years shown; each row links to the project record on RePORTER.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
Similar KOLs
Other experts from the same institution or the same specialty.
Serge Przedborski, MD, PhD
Columbia University
Shonni Silverberg, MD
Columbia University
Mitchell Benson, MD
Columbia University
Andrew Lassman, MD
Columbia University
A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”