BREENA SILIZNOFF NP
NPI 1285912121
Nurse Practitioner - Occupational Health in Fresno, CA
NPI Status: Active since July 26, 2011
Contact Information
6042 N FRESNO ST STE 101
FRESNO, CA
ZIP 93710
Phone: (559) 224-6754
Fax: (559) 490-1376
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Nurse Practitioner
- Occupational Health
About BREENA SILIZNOFF
This page provides the complete NPI Profile along with additional information for Breena Siliznoff, a provider established in Fresno, California with a medical specialization in Nurse Practitioner, focusing in occupational health . The healthcare provider is registered in the NPI registry with number 1285912121 assigned on July 2011. The practitioner's primary taxonomy code is 363LX0106X with license number NP7007 (CA). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1285912121
- Provider Name
- BREENA SILIZNOFF NP
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 6042 N FRESNO ST STE 101 FRESNO, CA 93710
- Location Phone
- (559) 224-6754
- Location Fax
- (559) 490-1376
- Mailing Address
- 597 CRESCENT LN MADERA, CA 93636
- Mailing Phone
- (559) 977-8477
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-26-2011
- Last Update Date
- 05-27-2026
- Code Navigator
A nurse practitioner (NP) like Breena Siliznoff is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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
Nurse Practitioner Occupational Health
- Taxonomy Code
- 363LX0106X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- NP7007
- License State
- CA
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 363LX0001X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | NP7007 (CA) |
Reviews for BREENA SILIZNOFF NP
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1285912121, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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 59 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1285912121, enumerated as an "individual" on July 26, 2011.
The provider is located at 6042 N FRESNO ST STE 101 FRESNO, CA 93710 and the phone number is (559) 224-6754.
Nurse Practitioner with taxonomy code 363LX0106X and a focus in Occupational Health.
