Individual provider · Type 1 NPI

John L. Black, MD

Clinical Pathology/Laboratory Medicine Physician · Rochester, MN

NPI number 1790762862 Active

Practice location

200 1st St SW
Rochester, MN 55905-0001

Specialties and licenses

Taxonomy	Code	License
Psychiatry Physician	2084P0800X	26917 (MN)
Clinical Pathology/Laboratory Medicine Physician Primary	207ZP0105X	26917 (MN)

Clinical Pathology/Laboratory Medicine Physician: A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, ex…

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About NPI 1790762862

John L. Black, MD's National Provider Identifier is 1790762862, issued on Dec 29, 2005. The primary taxonomy on file is Clinical Pathology/Laboratory Medicine Physician (207ZP0105X), and the practice location is in Rochester, MN. The record was last updated on Sep 11, 2026.