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

Gregory Horner, MD

Individual provider Orthopaedic Hand Surgery Physician · NPI 1295730331

Gregory Horner, MD is an Orthopaedic Hand Surgery Physician in Pleasanton, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

4626 Willow Rd Ste 200
Pleasanton, CA 94588-8517
Phone: (925) 463-0470
Fax: (925) 463-0473
Show map & directions

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

Specialties & licences

Orthopaedic Hand Surgery Physician (primary) Taxonomy 207XS0106X · Licence A54276 (CA)

Record details

NPI number1295730331
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2005
Last updated in NPPESMarch 6, 2014
Mailing address4626 Willow Rd, Suite 200, Pleasanton, CA 94588-8517

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