EVANGELINA VALDIVIA
NPI 1952858508
Specialist/Technologist - Speech-Language Assistant in Phoenix, AZ

NPI Status: Active since September 01, 2016

Contact Information

6500 S 35TH AVE APT 28
PHOENIX, AZ
ZIP 85041
Phone: (602) 326-2063

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  • Individual
  • Female
  • Specialist/Technologist
  • Speech-Language Assistant

About EVANGELINA VALDIVIA

This page provides the complete NPI Profile along with additional information for Evangelina Valdivia, a provider established in Phoenix, Arizona with a medical specialization in Specialist/technologist, focusing in speech-language assistant . The healthcare provider is registered in the NPI registry with number 1952858508 assigned on September 2016. The practitioner's primary taxonomy code is 2355S0801X with license number SLPA9604 (AZ). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1952858508
Provider Name
EVANGELINA VALDIVIA
Gender
Female
Entity Type
Individual
Location Address
6500 S 35TH AVE APT 28 PHOENIX, AZ 85041
Location Phone
(602) 326-2063
Mailing Address
1028 NTH 60TH AVE PHOENIX, AZ 85043
Mailing Phone
(602) 326-2063
Is Sole Proprietor?
Yes
Enumeration Date
09-01-2016
Last Update Date
02-13-2026
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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

Specialist/Technologist Speech-Language Assistant

Taxonomy Code
2355S0801X
Type
Speech, Language and Hearing Service Providers
License No.
SLPA9604
License State
AZ

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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 1952858508, 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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
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 8 → 16 → 7 8 → 16 → 7 0 → 0

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 + 1 + 6 + 5 + 1 + 6 + 5 + 0 + 24 = 62

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.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1952858508.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952858508, enumerated as an "individual" on September 01, 2016.

The provider is located at 6500 S 35TH AVE APT 28 PHOENIX, AZ 85041 and the phone number is (602) 326-2063.

Specialist/Technologist with taxonomy code 2355S0801X and a focus in Speech-Language Assistant.