KEITH MICHAEL CASTRO
NPI 1326446022
Hearing Instrument Specialist in Placentia, CA

NPI Status: Active since December 11, 2014

Contact Information

101 S KRAEMER BLVD STE 236
PLACENTIA, CA
ZIP 92870
Phone: (714) 630-7800

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  • Individual
  • Male
  • Hearing Instrument Specialist

About KEITH CASTRO

This page provides the complete NPI Profile along with additional information for Keith Castro, a provider established in Placentia, California with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1326446022 assigned on December 2014. The practitioner's primary taxonomy code is 237700000X with license number 10607 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1326446022
Provider Name
KEITH MICHAEL CASTRO
Gender
Male
Entity Type
Individual
Location Address
101 S KRAEMER BLVD STE 236 PLACENTIA, CA 92870
Location Phone
(714) 630-7800
Mailing Address
101 S KRAEMER BLVD STE 236 PLACENTIA, CA 92870
Mailing Phone
(714) 630-7800
Is Sole Proprietor?
No
Enumeration Date
12-11-2014
Last Update Date
12-12-2023
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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

Hearing Instrument Specialist

Taxonomy Code
237700000X
Type
Speech, Language and Hearing Service Providers
License No.
10607
License State
CA
Taxonomy Description
Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

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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 1326446022, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
3
Unchanged
Pos 3
2
Doubled → 4
Pos 4
6
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
2
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 2 → 4 4 → 8 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 4 + 6 + 8 + 4 + 1 + 2 + 0 + 4 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1326446022.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Psychologist (Clinical)
101 S KRAEMER BLVD STE 236
PLACENTIA, CA 92870
Psychologist (Clinical)
101 S KRAEMER BLVD STE 236
PLACENTIA, CA 92870
Hearing Instrument Specialist
101 S KRAEMER BLVD STE 236
PLACENTIA, CA 92870

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326446022, enumerated as an "individual" on December 11, 2014.

The provider is located at 101 S KRAEMER BLVD STE 236 PLACENTIA, CA 92870 and the phone number is (714) 630-7800.

Hearing Instrument Specialist with taxonomy code 237700000X.