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Patrick Loehrer, MD

Enriched profile

HH Gregg Professor of Oncology and Distinguished Professor of Indiana University; Director of Indiana University Melvin and Bren Simon Cancer Center; Associate Dean for Cancer Research · Indiana University School of Medicine

ORCID↗NPI↗
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Region🇺🇸 Indianapolis, IN · Midwest · United StatesSpecialtyHematology / OncologyFocusTesticular diseases and treatments+4
Active KOLfindmyKOL type: EliteLatest publication2026Online presenceNone verifiedPayments2021–2021NIH funding1985–2024

Patrick Loehrer is HH Gregg Professor of Oncology and Distinguished Professor of Indiana University; Director of Indiana University Melvin and Bren Simon Cancer Center; Associate Dean for Cancer Research at Indiana University School of Medicine. OpenAlex indexes 535 publications with 26,146 citations (h-index 80); ClinicalTrials.gov lists 11 registered studies with this person as an investigator. By OpenAlex citation count, this profile ranks in the top 10% of Hematology / Oncology profiles in the findmyKOL directory.

Data verified 14 Oct 2026

Overview

Updated 14 Oct 2026

Patrick Loehrer, MD, is HH Gregg Professor of Oncology and Distinguished Professor of Indiana University at Indiana University School of Medicine. The public record shows 535 publications with 26,146 citations (h-index 80), centered on Testicular diseases and treatments, Myasthenia Gravis and Thymoma, Cardiac tumors and thrombi. It also documents an investigator role on 11 registered clinical trials, industry payments reported by 1 companies, 5 NIH-funded awards (1985–2024).

  • Most recent indexed publication: 2026 · JCO global oncology
  • Top research focus: Testicular diseases and treatments
  • 11 registered trials on ClinicalTrials.gov
  • Open Payments reporting from 1 companies

Generated from the cited public record · current as of 14 Oct 2026. Every fact links its source below.

Indications focus

from trials led + research topics
Thymoma5 trialsPancreatic Cancer3 trialsColorectal Cancer1 trialTesticular Germ Cell Tumor1 trialThymus Neoplasms1 trialRectal Neoplasms1 trialLymphoma

Research focus

OpenAlex concept fingerprint
Testicular diseases and treatmentsMyasthenia Gravis and ThymomaCardiac tumors and thrombiColorectal Cancer Treatments and StudiesLymphoma Diagnosis and Treatment

Drugs & molecules

across trials, industry payments and publications
CisplatinClinical trials1Industry payments—Publications9EtoposideClinical trials1Industry payments—Publications4BleomycinClinical trials1Industry payments—Publications3CarboplatinClinical trials1Industry payments—Publications2CyclophosphamideClinical trials1Industry payments—Publications2FilgrastimClinical trials1Industry payments—Publications—

Works with

trial sponsors and companies reporting payments
Indiana UniversityClinical trials4Industry payments—Patrick Joseph Loehrer Sr.Clinical trials3Industry payments—Eastern Cooperative Oncology GroupClinical trials2Industry payments—Memorial Sloan Kettering Cancer CenterClinical trials1Industry payments—National Cancer Institute (NCI)Clinical trials1Industry payments—Novartis Pharmaceuticals CorporationClinical trials—Industry payments1

Scholarship

indexed output and impact (OpenAlex)
View publications ↓
535publications

Distinct works indexed by OpenAlex, matched via ORCID; 13 in PubMed.

26,146citations

Total citations across indexed works.

80h-index

Hirsch index (OpenAlex). i10-index 241.

Clinical & industry

trials, payments and federal funding
11clinical trials

Investigator role on registered studies.

View trials ↓
1companies · 2021–2021

Companies reporting payments to CMS. Facts, not judgments.

View payments ↓
5NIH grants · 1985–2024

Federally funded research awards.

View funding ↓

Contact

The practice address and phone this provider lists in the federal NPPES (CMS) registry.

Practice address

Telephone

Practice address and telephone from the federal NPPES registry.

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Clinical trials

Updated 14 Oct 2026

Listed as an investigator on 11 registered studies on ClinicalTrials.gov. The most recent:

Industry payments

Updated 14 Oct 2026

1 company reported payments to CMS in program years 2021–2021. These are public disclosures, not judgments. The latest:

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.

  • Nervous system

    40.8%
    Atypical Antipsychotic19.4%
    Olanzapine100%
    Part D<11 patients
    Opioid Agonist10.7%
    Oxycodone Hcl100%
    Part D<11 patients

    + 1 more class in this area

  • Sensory organs

    23.3%
    Corticosteroid23.3%
    Dexamethasone100%
    Part D<11 patients
  • Metabolism & gastrointestinal

    21.4%
    Antidiarrheal microorganisms21.4%
    Creon100%
    Part D<11 patients
All 4 therapeutic areas: search, sort and filter.Explore →
Where care is delivered (Part B)100% facility · 0% office

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

Updated 14 Oct 2026

5 NIH research awards on record, funded 1985–2024 per NIH RePORTER. The latest:

Congress activity

Updated 14 Oct 2026

57 congress contributions (1986–2026) across AACR, ASCO, ESMO per OpenAlex. The most recent:

Published abstracts are attributed via the same ORCID-disambiguated authorship as publications, so each is DOI-verified. Podium roles (invited talks, session chairs) and oral/poster type are added as program data is confirmed.

Publications

Updated 14 Oct 2026

Their five most recent publications, matched to their ORCID record and linked to PubMed.

Network

Updated 14 Oct 2026

The people this person publishes with most, by number of co-authored papers. Names link to their own profile when we have one.

Lawrence H. Einhorn61Sunil Badve42Kenneth A. Kesler42Stephen D. Williams40Omenge Orang’o29Kapten Muthoka22Craig R. Nichols20Yan Tong19Aaron John Spittler18Darron R. Brown18Yesim Gökmen‐Polar18Aaron C. Ermel18Peter Muhandale Itsura18Rohan Maniar17Milan M. Radovich17Philip K. Tonui17Stephen Kiptoo16Paul R. Helft14Rafat Ansari14Susan Cu‐Uvin13Naftali Wisindi Busakhala13Elena Gabriela Chiorean12Naftali Busakhala12Robert P. Nelson12Titus Kipkemboi Maina12Bryan Paul Schneider11Bruce J. Roth11Barry P. Rosen11Arun Rajan11Fredrick Chite Asirwa11Matthew J. Burns11Ann Marie Moormann10John Paul Donohue10Thomas M. Ulbright10Giuseppe Giaccone9Hector A. Mesa9Steven D. Passik9Robert Dreicer9Jennifer Morgan8Heather A. Wakelee8

Background & recognition

Updated 14 Oct 2026

Credentials, appointments and honors, newest first, each linked to the public source it came from.

Education

degrees and training on record
  • MD

    Rush Medical College

    1978
    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →fsph.iupui.edu ↗
  • BS in Mechanical Engineering

    Purdue University

    1975
    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →fsph.iupui.edu ↗

Editorial & leadership roles

journal and society appointments
  • Member

    National Academies

    2025
    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →honorsandawards.iu.edu ↗
  • Co-founder

    Hoosier Oncology Group

    1984
    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →en.wikipedia.org ↗
  • Editor-in-Chief

    Yearbook of Oncology

    provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →honorsandawards.iu.edu ↗
  • Board Member

    American Society of Clinical Oncology

    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →fsph.iupui.edu ↗
  • Chair

    Medical Oncology Subcommittee, American Board of Internal Medicine

    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →fsph.iupui.edu ↗
  • Director

    Division of Hematology/Oncology, Indiana University School of Medicine

    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →en.wikipedia.org ↗

Awards & honors

honors on the public record

Secondary affiliations

appointments beyond the home institution
  • Founding Director

    AMPATH-Oncology Program

    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →fsph.iupui.edu ↗
  • Advisory Committee Member

    Indiana University Center for Global Health

    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →fsph.iupui.edu ↗

Media & interviews

press, podcasts and appearances
  • Podcast host

    Oncology, Etc. (American Society of Clinical Oncology)

    provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →en.wikipedia.org ↗

Every item links to where we found it. verified means we've confirmed it in more than one place; provisional means we found it and are still confirming.

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