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

Dr. Lawrence Stephen Guinney, MD

Individual provider Pediatric Orthopaedic Surgery Physician · NPI 1689894057

Dr. Lawrence Stephen Guinney, MD is a Pediatric Orthopaedic Surgery Physician in Santa Rosa, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

4730 Hoen Ave
Santa Rosa, CA 95405-7868
Phone: (707) 528-1616
Fax: (707) 528-1516
Show map & directions

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

Specialties & licences

Pediatric Orthopaedic Surgery Physician (primary) Taxonomy 207XP3100X · Licence G19069 (CA)

Record details

NPI number1689894057
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2007
Last updated in NPPESJuly 8, 2007