DR. ANNA LIZA D. VILLENA NP
NPI 1689625303
Nurse Practitioner - Family in Oakland, CA
NPI Status: Active since May 15, 2006
Contact Information
616 16TH ST
DOWNTOWN OAKLAND CLINIC
OAKLAND, CA
ZIP 94612
Phone: (510) 451-4270
- Individual
- Female
- Nurse Practitioner
- Family
About ANNA LIZA VILLENA
This page provides the complete NPI Profile along with additional information for Anna Liza Villena, a provider established in Oakland, California with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1689625303 assigned on May 2006. The practitioner's primary taxonomy code is 363LF0000X with license number 10087 (CA). The provider is registered as an individual and her NPI record was last updated 13 years ago.
- NPI
- 1689625303
- Provider Name
- DR. ANNA LIZA D. VILLENA NP
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 616 16TH ST DOWNTOWN OAKLAND CLINIC OAKLAND, CA 94612
- Location Phone
- (510) 451-4270
- Mailing Address
- 1761 ROXBURY ROAD UPPER ARLINGTON, OH 43212
- Mailing Phone
- (510) 367-2239
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-15-2006
- Last Update Date
- 05-10-2013
- Code Navigator
A nurse practitioner (NP) like Anna Liza Villena 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 Family
- Taxonomy Code
- 363LF0000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 10087
- License State
- CA
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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 1689625303, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
OAKLAND, CA 94612
OAKLAND, CA 94612
OAKLAND, CA 94612
OAKLAND, CA 94612
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1689625303, enumerated as an "individual" on May 15, 2006.
The provider is located at 616 16TH ST DOWNTOWN OAKLAND CLINIC OAKLAND, CA 94612 and the phone number is (510) 451-4270.
Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.
