Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Patrick Treseler, MD

Individual provider Hematology (Pathology) Physician · NPI 1801847181

Dr. Patrick Treseler, MD is a Hematology (Pathology) Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone: (415) 514-1641
Fax: (415) 353-1200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Pathology) Physician (primary) Taxonomy 207ZH0000X · Licence G80895 (CA)
Chemical Pathology Physician Taxonomy 207ZP0104X · Licence G80895 (CA)

Record details

NPI number1801847181
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESJuly 22, 2008

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