LabCompass

Mark W. Johnson

Medicine · University of Michigan

Established · publishing since 1971Rising activity

Publications

486

Citations

12,093

Est. group size

~7

Recurring co-author estimate

Active years

56

Publishing since 1971

In context
Among 4,953 established Medicine PIs within our index
Citations: 12,093cohort median 2,544
Publications / year (recent): 10.6cohort median 4.8

Typically publishes in teams of ~6 · 30% small-team papers (≤3 authors) · across 42 venues

Publication cadence
Publications per year over the last 10 years — averaging 10.6/year recently
2017: 14 publications172018: 11 publications182019: 14 publications192020: 6 publications202021: 12 publications212022: 13 publications222023: 16 publications16232024: 9 publications242025: 14 publications252026: 1 publication26
Collaborators per year
Distinct co-authors at University of Michigan each year — a rough indication of whether the group around this researcher has been growing or contracting. An estimate from co-authorship, not a roster: collaborators are not necessarily lab members, and recent years can be under-counted while indexing catches up.
2017: 2 collaborators2018: 2 collaborators2019: 0 collaborators2020: 3 collaborators2021: 1 collaborator2022: 9 collaborators2023: 2 collaborators2024: 0 collaborators2025: 1 collaborator1719212325
Recent publications
Publishes in
  • American Journal of Ophthalmology×15
  • JAMA Ophthalmology×8
  • Ophthalmology Retina×7
  • Retinal Cases & Brief Reports×6
  • Graefe s Archive for Clinical and Experimental Ophthalmology×6
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This profile was generated automatically from public scholarly data (OpenAlex). Group size and activity levels are estimates derived from co-authorship patterns.

Last updated Jul 25, 2026.

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