Julian Ambrus is a Rheumatology/Immunology physician affiliated with University at Buffalo. OpenAlex indexes 405 publications with 6,691 citations (h-index 41). By OpenAlex citation count, this profile ranks in the top 10% of Allergy & Immunology profiles in the findmyKOL directory.
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
400 International Dr
Williamsville, NY 142215771
Telephone
716-631-3555Provider last certified this registry record 6 Apr 2020.
Industry payments
41 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- ABBVIE INC.Program year202515 payments
- Amgen Inc.Program year202512 payments
- BioCryst US Sales Co., LLCProgram year202510 payments
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Medicare prescribing footprint (2024)
The drugs this prescriber writes for Medicare patients, grouped by drug class and therapeutic area. Every percentage is a share of their total prescribing, so you can see what they prescribe most. These are proportions, not patient counts or dollar amounts. No condition is inferred: the claims record what was prescribed, never why.
Metabolism & gastrointestinal
61.9%Potassium supplement33.3%Potassium chloride98%Potassium Chloride2%Part D + Part B≥22 patientsOsmotically acting laxatives13.7%Magnesium sulfate99%Magnesium Sulfate1%Part D + Part B<11 patients+ 11 more classes in this area
Respiratory
10.6%Histamine-1 Receptor Antagonist4.3%Azelastine Hcl55%Diphenhydramine Hcl23%Levocetirizine Dihydrochloride22%Part D<11 patientsCorticosteroid3%Fluticasone Propionate50%Budesonide Dr27%Budesonide Ec15%Budesonide Er8%Part D<11 patients+ 5 more classes in this area
Cardiovascular
8.2%Calcium channel blocker5.5%Verapamil Hcl35%Nimodipine29%Verapamil Sr14%Verapamil Er11%Nicardipine Hcl7%Nifedipine Er4%Part D<11 patientsalpha-Adrenergic Blocker1%Doxazosin Mesylate88%Prazosin Hcl13%Part D<11 patients+ 5 more classes in this area
Drug classes come from the WHO ATC and U.S. National Library of Medicine (RxClass) classifications; prescribing counts come from the CMS Medicare Part D Prescribers file. Each drug is counted once, under its primary class. Medicare fee-for-service only, so no Medicare Advantage, commercial, or pediatric prescribing is included. CMS publishes this data about 17 months after the fact.
NIH funding
1 NIH research award on record, funded 2012–2013 per NIH RePORTER. The latest:
- Role of Interleukin 14 in Sjogren's Disease
State University of New York at Buffalo
FY2013$190,200R21DE021801 - Role of Interleukin 14 in Sjogren's Disease
State University of New York at Buffalo
FY2012$237,750R21DE021801
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.
- Efficacy and safety of low-dose IL-2 in the treatment of systemic lupus erythematosus: a randomised, double-blind, placebo-controlled trial
Annals of the Rheumatic Diseases
2019 - Sjogren’s syndrome: An update on disease pathogenesis, clinical manifestations and treatment
Clinical Immunology
2019
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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.”