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

Stephanie Gay Peffer, NP

Individual provider Primary Care Nurse Practitioner · NPI 1447294665

Stephanie Gay Peffer, NP is a Primary Care Nurse Practitioner in Arnold, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

2740 Highway 4 Drawer V
Arnold, CA 95223
Phone: (209) 795-4488
Fax: (209) 795-0984
Show map & directions

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

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence NP14695 (CA)

Record details

NPI number1447294665
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESJuly 13, 2026