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

Dr. Steven P Guarnaccia, MD

Individual provider Urology Physician · NPI 1235299850

Dr. Steven P Guarnaccia, MD is an Urology Physician in Redwood City, California. Licensed in California, District of Columbia and Maryland. Registered with an NPI since 2006.

Licensed in
CA, DC, MD
In the registry since
2006
Specialties on file
3
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

2900 Whipple Ave Ste 132
Redwood City, CA 94062-2844
Phone: (650) 306-1016
Fax: (650) 216-9403
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence G170917 (CA)
Urology Physician Taxonomy 208800000X · Licence D0047881 (MD)
Urology Physician Taxonomy 208800000X · Licence MD21580 (DC)

Record details

NPI number1235299850
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 12, 2006
Last updated in NPPESApril 16, 2021
Certification dateApril 16, 2021

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