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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHANIE GAY PEFFER N.P.
NPI 1447294665
Nurse Practitioner - Primary Care in Arnold, CA

Active since June 16, 2006
2740 HIGHWAY 4, DRAWER V, ARNOLD, CA 95223(209) 795-4488(209) 795-0984 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Stephanie Gay Peffer N.p. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHANIE GAY PEFFER N.P. (NPI 1447294665) is an individual primary care provider in Arnold, California, licensed in California (NP14695) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1447294665
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameSTEPHANIE GAY PEFFERCredential: N.P.
Location Address2740 HIGHWAY 4, DRAWER VArnold, CA 95223
Mailing Address3667 Muriettas Roost, P.o. Box 4395Dorrington, CA 95223 · (209) 795-4894
Phone(209) 795-4488
Fax(209) 795-0984
Sole ProprietorNo
Enumeration DateJune 16, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1447294665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in CA · NP14695
2740 HIGHWAY 4, Arnold, CA 95223
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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANDRA JEAN SHETZLINE DO
Family Medicine (Adult Medicine)
2740 HIGHWAY 4, DRAWER V
ARNOLD, CA 95223
Calaveras County (209) 795-4488
SANDRA J. SHETZLINE, DO INC
Family Medicine
2740 HIGHWAY 4, DRAWER V
ARNOLD, CA 95223
Calaveras County (209) 795-4488

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephanie Peffer's NPI number?

The NPI number for Stephanie Peffer is 1447294665. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is Stephanie Peffer located?

Stephanie Peffer practices at 2740 Highway 4 Drawer V, Arnold, CA 95223. The listed phone number is (209) 795-4488.

What is Stephanie Peffer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

When was this NPI record last updated?

The NPPES record for Stephanie Peffer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.