ALEXANDER PLOTKIN
NPI 1881035939
Hearing Instrument Specialist in Redondo Beach, CA

NPI Status: Active since July 17, 2013

Contact Information

409 N PACIFIC COAST HWY
STE 104
REDONDO BEACH, CA
ZIP 90277
Phone: (310) 379-8305
Fax: (310) 318-7946

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  • Individual
  • Male
  • Hearing Instrument Specialist

About ALEXANDER PLOTKIN

This page provides the complete NPI Profile along with additional information for Alexander Plotkin, a provider established in Redondo Beach, California with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1881035939 assigned on July 2013. The practitioner's primary taxonomy code is 237700000X with license number 7818 (CA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1881035939
Provider Name
ALEXANDER PLOTKIN
Gender
Male
Entity Type
Individual
Location Address
409 N PACIFIC COAST HWY STE 104 REDONDO BEACH, CA 90277
Location Phone
(310) 379-8305
Location Fax
(310) 318-7946
Mailing Address
409 N PACIFIC COAST HWY STE 104 REDONDO BEACH, CA 90277
Mailing Phone
(310) 379-8305
Mailing Fax
(310) 318-7946
Is Sole Proprietor?
No
Enumeration Date
07-17-2013
Last Update Date
07-17-2013
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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.
7818
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 1881035939, 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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
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 8 → 16 → 7 0 → 0 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 0 + 3 + 1 + 0 + 9 + 6 + 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 1881035939.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Emergency Medicine
409 N PACIFIC COAST HWY, SUITE 928
REDONDO BEACH, CA 90277
Social Worker (Clinical)
409 N PACIFIC COAST HWY, #413
REDONDO BEACH, CA 90277
Dentist
409 N PACIFIC COAST HWY, SUITE #210
REDONDO BEACH, CA 90277
Social Worker (Clinical)
409 N PACIFIC COAST HWY
REDONDO BEACH, CA 90277
Specialist
409 N PACIFIC COAST HWY, SUITE 166
REDONDO BEACH, CA 90277
Specialist/Technologist, Other (Electroneurodiagnostic)
409 N PACIFIC COAST HWY
REDONDO BEACH, CA 90277
Specialist/Technologist, Other (Electroneurodiagnostic)
409 N PACIFIC COAST HWY
REDONDO BEACH, CA 90277

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881035939, enumerated as an "individual" on July 17, 2013.

The provider is located at 409 N PACIFIC COAST HWY STE 104 REDONDO BEACH, CA 90277 and the phone number is (310) 379-8305.

Hearing Instrument Specialist with taxonomy code 237700000X.