Leonard Calabrese is a Rheumatology/Immunology physician affiliated with Cleveland Clinic. OpenAlex indexes 448 publications with 33,516 citations (h-index 80); ClinicalTrials.gov lists 1 registered study matched to this name. By OpenAlex citation count, this profile ranks in the top 5% of Rheumatology 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
9500 Euclid Ave
Cleveland, OH 441950001
Telephone
800-223-2273Registry record last updated 28 Jan 2008.
Clinical trials
- Longitudinal Study for Central Nervous System Vasculitis
Sponsor: University of Pennsylvania
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
26 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- GENZYME CORPORATIONProgram year202534 payments$74,060openpaymentsdata.cms.gov ↗
- ABBVIE INC.Program year202540 payments$66,653openpaymentsdata.cms.gov ↗
- AstraZeneca Pharmaceuticals LPProgram year202545 payments$53,690openpaymentsdata.cms.gov ↗
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.
Anti-infectives
24.8%Human Immunodeficiency Virus Integrase Strand Transfer Inhibitor8.4%Tivicay55%Isentress45%Part D<11 patientsHuman Immunodeficiency Virus Nucleoside Analog Reverse Transcriptase Inhibitor7.9%Descovy100%Part D<11 patients+ 2 more classes in this area
Metabolism & gastrointestinal
20.4%Corticosteroid20.4%Prednisone100%Part D≥22 patientsNervous system
18.5%Opioid Agonist12.5%Oxycodone-Acetaminophen50%Tramadol Hcl50%Part D<11 patientsGabapentinoids6%Gabapentin100%Part D<11 patients
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 1987–1991 per NIH RePORTER. The latest:
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.
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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.”