SIENNA WELLNES WALK-IN CLINIC
NPI 1336489376
Clinic/Center - Primary Care in Lake Isabella, CA
NPI Status: Active since February 28, 2013
Contact Information
6425 LYNCH CANYON DR
LAKE ISABELLA, CA
ZIP 93240
Phone: (760) 379-8630
Fax: (760) 379-7658
- Organization
- Clinic/Center
- Primary Care
- CLIA Number: 05D1064938
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 02-15-2027
About SIENNA WELLNES WALK-IN CLINIC
This page provides the complete NPI Profile along with additional information for Sienna Wellnes Walk-in Clinic, a primary care provider established in Lake Isabella, California operating as a Clinic/center, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1336489376 assigned on February 2013. The practitioner's primary taxonomy code is 261QP2300X with license number 20A7951 (CA). The provider is registered as an organization and their NPI record was last updated 13 years ago. The provider's former legal business name is Sienna Medical Billing Incorporated. The authorized official of this NPI record is Dr. Robert Lee Gross Do (President)
- NPI
- 1336489376
- Provider Legal Name
- SIENNA WELLNES WALK-IN CLINIC
- Other Organization Name
- SIENNA MEDICAL BILLING INCORPORATED
- Other Name Type
- Former Legal Business Name (4)
- Entity Type
- Organization
- Location Address
- 6425 LYNCH CANYON DR LAKE ISABELLA, CA 93240
- Location Phone
- (760) 379-8630
- Location Fax
- (760) 379-7658
- Mailing Address
- 6425 LYNCH CANYON DR LAKE ISABELLA, CA 93240
- Mailing Phone
- (760) 379-8630
- Mailing Fax
- (760) 379-7658
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 02-28-2013
- Last Update Date
- 02-28-2013
- Code Navigator
A primary care provider (PCP) like Sienna Wellnes Walk-in Clinic sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Clinic/Center Primary Care
- Taxonomy Code
- 261QP2300X
- Type
- Ambulatory Health Care Facilities
- License No.
- 20A7951
- License State
- CA
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 05D1064938
- Facility Type
- Physician Office
- Certificate Effective Date
- February 16, 2025
- Certificate Expiration Date
- February 15, 2027
- Laboratory Director
- ROBERT L. GROSS DO
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Sienna Wellnes Walk-in Clinic to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1336489376, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 74 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 7 providers are registered at the same or a nearby location.
LAKE ISABELLA, CA 93240
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1336489376, enumerated as an "organization" on February 28, 2013.
The provider is located at 6425 LYNCH CANYON DR LAKE ISABELLA, CA 93240 and the phone number is (760) 379-8630.
Clinic/Center with taxonomy code 261QP2300X and a focus in Primary Care.
