RANDALL ROMBERG
NPI 1689176901
Hearing Instrument Specialist in Long Beach, CA

NPI Status: Active since March 02, 2018

Contact Information

1807 XIMENO AVE
LONG BEACH, CA
ZIP 90815
Phone: (562) 494-7374
Fax: (562) 597-8736

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  • Individual
  • Male
  • Hearing Instrument Specialist

About RANDALL ROMBERG

This page provides the complete NPI Profile along with additional information for Randall Romberg, a provider established in Long Beach, California with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1689176901 assigned on March 2018. The practitioner's primary taxonomy code is 237700000X with license number HA8145 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1689176901
Provider Name
RANDALL ROMBERG
Gender
Male
Entity Type
Individual
Location Address
1807 XIMENO AVE LONG BEACH, CA 90815
Location Phone
(562) 494-7374
Location Fax
(562) 597-8736
Mailing Address
750 N COMMONS DR STE 200 AURORA, IL 60504
Mailing Phone
(630) 303-5380
Mailing Fax
(562) 597-8736
Is Sole Proprietor?
No
Enumeration Date
03-02-2018
Last Update Date
09-02-2021
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Location Map

Secondary Locations

  • 879 W 190th St Fl 4
    Gardena, CA 90248
    (310) 984-1743

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.
HA8145
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 1689176901, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
Check
1
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 1 → 2 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 2 + 7 + 1 + 2 + 9 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1689176901.

Other Providers at the Same Location


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

Hearing Aid Equipment
1807 XIMENO AVE
LONG BEACH, CA 90815
Hearing Instrument Specialist
1807 XIMENO AVE
LONG BEACH, CA 90815
Hearing Instrument Specialist
1807 XIMENO AVE
LONG BEACH, CA 90815

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689176901, enumerated as an "individual" on March 02, 2018.

The provider is located at 1807 XIMENO AVE LONG BEACH, CA 90815 and the phone number is (562) 494-7374.

Hearing Instrument Specialist with taxonomy code 237700000X.