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PhenoPath is a physician-owned, Seattle-based national pathology reference laboratory founded by Dr. Allen M. Gown, one of the world's leading experts in the diagnostic and research applications of immunohistochemistry. Since its inception in 1998, PhenoPath has grown to be a highly respected national reference laboratory embracing IHC, FISH, CISH, flow cytometric, PCR, and cytogenetics technologies. We provide screening, diagnostic, and prognostic testing services to hospitals, physician offices, surgery centers, biopharmaceutical companies, and research institutions nationwide.

PhenoPath Questions

The PhenoPath annual revenue was $19.7 million in 2026.

PhenoPath is based in Seattle, Washington.

The NAICS codes for PhenoPath are [6215, 621, 62151, 62].

The SIC codes for PhenoPath are [80, 807].

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