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

Dr. Gerald Mark Sinclair, MD

Individual provider Otolaryngology Physician · NPI 1902160567

Dr. Gerald Mark Sinclair, MD is an Otolaryngology Physician in Palo Alto, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1257 Martin Ave
Palo Alto, CA 94301-3048
Phone: (650) 327-7574
Fax: (650) 327-7574
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence GFE35616 (CA)

Record details

NPI number1902160567
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 28, 2012
Last updated in NPPESJune 28, 2012

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