MARISABEL DIAZ ALONSO
NPI 1851222749
Student in an Organized Health Care Education/Training Program in Las Piedras, PR

NPI Status: Active since May 28, 2026

Contact Information

CARR 183 RAMAL 9939 PARQUE INDUSTRIAL LOTE 19
LAS PIEDRAS, PR
ZIP 00771
Phone: (787) 739-8182

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  • Individual
  • Female
  • Student in an Organized Health Care Educ...

About MARISABEL DIAZ ALONSO

This page provides the complete NPI Profile along with additional information for Marisabel Diaz Alonso, a primary care provider established in Las Piedras, Puerto Rico with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1851222749 assigned on May 2026. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1851222749
Provider Name
MARISABEL DIAZ ALONSO
Gender
Female
Entity Type
Individual
Location Address
CARR 183 RAMAL 9939 PARQUE INDUSTRIAL LOTE 19 LAS PIEDRAS, PR 00771
Location Phone
(787) 739-8182
Mailing Address
CARR 183 RAMAL 9939 PARQUE INDUSTRIAL LOTE 19 LAS PIEDRAS, PR 00771
Mailing Phone
(787) 739-8182
Is Sole Proprietor?
Yes
Enumeration Date
05-28-2026
Last Update Date
05-28-2026
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A primary care provider (PCP) like Marisabel Diaz Alonso 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 .

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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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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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 1851222749, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
Check
9
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 5 → 10 → 1 2 → 4 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 0 + 1 + 4 + 2 + 4 + 7 + 8 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1851222749.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851222749, enumerated as an "individual" on May 28, 2026.

The provider is located at CARR 183 RAMAL 9939 PARQUE INDUSTRIAL LOTE 19 LAS PIEDRAS, PR 00771 and the phone number is (787) 739-8182.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.