Active NPI
Stephanie Gay Peffer, N.P.
- Primary Care Nurse Practitioner
- Arnold, CA
National Provider Identifier
1447294665
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Primary Care Nurse Practitioner
- License
- NP14695
- Practice address
- 2740 Highway 4
Drawer V
Arnold, CA 95223 - Phone
- (209) 795-4488
- Fax
- (209) 795-0984
- NPI assigned
- Jun 16, 2006
- Last updated
- Jul 13, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Primary Care Nurse Practitioner | 363LP2300X | NP14695 | CA | Primary |
Addresses
Primary practice location
2740 Highway 4
Drawer V
Arnold, CA 95223
Mailing address
3667 Muriettas Roost
P.O. Box 4395
Dorrington, CA 95223
Phone (209) 795-4894
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| NP14695 | CA | MD | Primary Care Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sandra J. Shetzline, DO Inc | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Family Medicine Physician
- Arnold, CA
- NPI 1790877785
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150416000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1447294665",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3667 MURIETTAS ROOST",
"address_2": "P.O. BOX 4395",
"city": "DORRINGTON",
"state": "CA",
"postal_code": "95223",
"telephone_number": "209-795-4894"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2740 HIGHWAY 4",
"address_2": "DRAWER V",
"city": "ARNOLD",
"state": "CA",
"postal_code": "95223",
"telephone_number": "209-795-4488",
"fax_number": "209-795-0984"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PEFFER",
"first_name": "STEPHANIE",
"middle_name": "GAY",
"credential": "N.P.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-06-16",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "363LP2300X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Primary Care",
"state": "CA",
"license": "NP14695",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Arnold, CA
- Mark Twain Medical Center (Family Medical Center - Arnold)
- Meadowmont Pharmacy
- Meadowmont Pharmacy Inc (Meadowmont Pharmacy)
- Jerrold E Nadler, MD
- Joan Novacek
- Shannon Russell, D.D.S.
- Teglene A Ryan, IBCLC
- Sandra J. Shetzline, DO Inc
- Lynsey Marie Scott, LCSW
- Shannon S. Russell, DDS, Inc. (1st Impressions Dentistry)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.