MRS. IRENE ALVARADO VILLARREAL
NPI 1891639068
Registered Nurse in Los Fresnos, TX
NPI Status: Active since April 16, 2026
Contact Information
110 E 1ST ST APT B
LOS FRESNOS, TX
ZIP 78566
Phone: (956) 372-2327
- Individual
- Female
- Registered Nurse
About IRENE ALVARADO VILLARREAL
This page provides the complete NPI Profile along with additional information for Irene Alvarado Villarreal, a provider established in Los Fresnos, Texas with a medical specialization in Registered Nurse. The healthcare provider is registered in the NPI registry with number 1891639068 assigned on April 2026. The practitioner's primary taxonomy code is 163W00000X with license number 1053446 (TX). The provider is registered as an individual and her NPI record was last updated April 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.
- NPI
- 1891639068
- Provider Name
- MRS. IRENE ALVARADO VILLARREAL
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 110 E 1ST ST APT B LOS FRESNOS, TX 78566
- Location Phone
- (956) 372-2327
- Mailing Address
- 110 E 1ST ST APT B LOS FRESNOS, TX 78566
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-16-2026
- Last Update Date
- 04-16-2026
- Code Navigator
A registered nurse (RN) like Irene Alvarado Villarreal coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.
Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.
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
Registered Nurse
- Taxonomy Code
- 163W00000X
- Type
- Nursing Service Providers
- License No.
- 1053446
- License State
- TX
- Taxonomy Description
- (1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1891639068, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891639068, enumerated as an "individual" on April 16, 2026.
The provider is located at 110 E 1ST ST APT B LOS FRESNOS, TX 78566 and the phone number is (956) 372-2327.
Registered Nurse with taxonomy code 163W00000X.
