1. Home
  2. Directory
  3. California
  4. Lake Isabella
  5. Clinic Center
  6. NPI Profile

SIENNA WELLNES WALK-IN CLINIC
NPI 1336489376
Clinic/Center - Primary Care in Lake Isabella, CA

Active since February 28, 2013
6425 LYNCH CANYON DR, LAKE ISABELLA, CA 93240(760) 379-8630(760) 379-7658 Get Directions Write a Review

NPPES record last updated: February 28, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Sienna Wellnes Walk-in Clinic NPPES

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

SIENNA WELLNES WALK-IN CLINIC (NPI 1336489376), doing business as Sienna Medical Billing Incorporated, is a healthcare organization registered as a primary care in Lake Isabella, California and active in the NPI registry since February 2013. The organization lists Robert Lee Gross, President, as its authorized official.

NPPES Registry Identity

NPI1336489376
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameSIENNA WELLNES WALK-IN CLINIC
Location Address6425 LYNCH CANYON DRLake Isabella, CA 93240-9726
Mailing Address6425 Lynch Canyon DrLake Isabella, CA 93240-9726 · (760) 379-8630 · Fax (760) 379-7658
Phone(760) 379-8630
Fax(760) 379-7658
Organization SubpartNo
Authorized OfficialRobert Lee GrossPresident · (760) 379-8630
Enumeration DateFebruary 28, 2013
✔ NPI 1336489376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in CA · 20A7951
6425 LYNCH CANYON DR, Lake Isabella, CA 93240
Open in Google Maps ↗

Other Names 1

Former Legal Business NameSienna Medical Billing Incorporated

Other Providers at the Same Location NPPES 8

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

SIENNA MEDICAL CORPORATION
Internal Medicine
6425 LYNCH CANYON DR
LAKE ISABELLA, CA 93240
Kern County (760) 379-8630
GARY ARLYN FINSTAD M.D.
Internal Medicine
6425 LYNCH CANYON DR
LAKE ISABELLA, CA 93240
Kern County (760) 379-8630
PHILLIP ALLAN MARTIN MD
Internal Medicine
6425 LYNCH CANYON DR
LAKE ISABELLA, CA 93240
Kern County (760) 379-8630
MR. JAMES DARRYL GUTZMAN PA-C, RN, FNP
Physician Assistant
6425 LYNCH CANYON DR
LAKE ISABELLA, CA 93240
Kern County (760) 379-8630
SIENNA HOSPITALIST GROUP INCORPORATED
Hospitalist
6425 LYNCH CANYON DR
LAKE ISABELLA, CA 93240
Kern County (760) 379-8630
MRS. MIRANDA ESTELLE EVERETT PA-C
Physician Assistant
6425 LYNCH CANYON DR
MOUNTAIN MESA, CA 93240
Kern County (760) 379-8630
DR. ROBERT GROSS DO
Internal Medicine
6425 LYNCH CANYON DR
LAKE ISABELLA, CA 93240
Kern County (760) 379-8630
HOLLY SPOHN-GROSS DPM
Podiatrist
6425 LYNCH CANYON DR
LAKE ISABELLA, CA 93240
Kern County (760) 379-8630

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 Sienna Wellnes Walk-In Clinic's NPI number?

The NPI number for Sienna Wellnes Walk-In Clinic is 1336489376. It was assigned to this organization in the NPPES registry on February 28, 2013. The provider was formerly known as Sienna Medical Billing Incorporated.

Where is Sienna Wellnes Walk-In Clinic located?

Sienna Wellnes Walk-In Clinic is located at 6425 Lynch Canyon Dr, Lake Isabella, CA 93240. The listed phone number is (760) 379-8630.

What is Sienna Wellnes Walk-In Clinic's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

When was this NPI record last updated?

The NPPES record for Sienna Wellnes Walk-In Clinic was last updated on February 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.