Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gregory William Hosier, MD, MSC

Individual provider Urology Physician · NPI 1902570716

Dr. Gregory William Hosier, MD, MSC is an Urology Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2021.

Licensed in
CA
In the registry since
2021
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

400 Parnassus Ave
San Francisco, CA 94143-2202
Phone: (415) 353-2200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence A174287 (CA)

Record details

NPI number1902570716
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MSC
Sole proprietorNo
NPI enumeratedAugust 4, 2021
Last updated in NPPESAugust 4, 2021
Certification dateJuly 21, 2021

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