RUBEN P FONSECA RPH.
NPI 1952494148
Pharmacist - Pharmacotherapy in Weslaco, TX

NPI Status: Active since October 02, 2006

Contact Information

1010 S. AIRPORT
SUTIE A
WESLACO, TX
ZIP 78596
Phone: (956) 969-0636
Fax: (956) 969-2845

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  • Individual
  • Male
  • Pharmacist
  • Pharmacotherapy

About RUBEN FONSECA

This page provides the complete NPI Profile along with additional information for Ruben Fonseca, a provider established in Weslaco, Texas with a medical specialization in Pharmacist, focusing in pharmacotherapy . The healthcare provider is registered in the NPI registry with number 1952494148 assigned on October 2006. The practitioner's primary taxonomy code is 1835P1200X with license number 24453 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1952494148
Provider Name
RUBEN P FONSECA RPH.
Gender
Male
Entity Type
Individual
Location Address
1010 S. AIRPORT SUTIE A WESLACO, TX 78596
Location Phone
(956) 969-0636
Location Fax
(956) 969-2845
Mailing Address
3808 N 1ST LN E MCALLEN, TX 78501
Mailing Phone
(956) 793-8568
Mailing Fax
(956) 969-2845
Is Sole Proprietor?
Yes
Enumeration Date
10-02-2006
Last Update Date
09-11-2025
Code Navigator

A pharmacist like Ruben Fonseca fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

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

Pharmacist Pharmacotherapy

Taxonomy Code
1835P1200X
Type
Pharmacy Service Providers
License No.
24453
License State
TX
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing pharmacotherapeutic care of patients, by developing, implementing, monitoring, and modifying complex treatment plans, providing advanced level education and consultation, and collaborating with other health professionals in the management of therapy.

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)
1183500000XPharmacy Service Providers

Pharmacist

24453 (TX)

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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 1952494148, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 8 + 9 + 8 + 1 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1952494148.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952494148, enumerated as an "individual" on October 02, 2006.

The provider is located at 1010 S. AIRPORT SUTIE A WESLACO, TX 78596 and the phone number is (956) 969-0636.

Pharmacist with taxonomy code 1835P1200X and a focus in Pharmacotherapy.