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Michael Kallen, MD

Basic profile

University of Maryland, Baltimore

ORCID↗NPI↗
✓ Itemized record
RegionBaltimore, MD · NortheastSpecialtyHematologyFocusHematology
Active KOLFindMyKOL type: RegionalLatest publication2026Online presenceNot yet checkedPayments2021 onwardNIH fundingNot yet indexedWhy? →

Michael Kallen is a Hematology physician affiliated with University of Maryland, Baltimore. OpenAlex indexes 103 publications with 823 citations (h-index 12); ClinicalTrials.gov lists 3 registered studies matched to this name.

Overview

Scholarship

indexed output and impact (OpenAlex)
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103publications

Publications indexed by OpenAlex, matched via ORCID. Counts exclude supporting files.

823citations

Citations across these publications.

12h-index

H-index from these publications.

Clinical & industry

trials, payments and federal funding
3clinical trials

Investigator role on registered studies.

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9companies · 2021 onward

Companies reporting payments to CMS. Facts, not judgments.

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Clinical trials

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

9 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:

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Services and research payments matched to this physician's NPI in CMS Open Payments. Meals, travel and gifts are counted in the company total and not listed here.

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.

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.”