LISA ANN RETTBERG MA, CCC-SLP
NPI 1700461589
Speech-Language Pathologist in Alta Loma, CA

NPI Status: Active since March 13, 2021

Contact Information

9438 LEDIG DR
ALTA LOMA, CA
ZIP 91701
Phone: (951) 295-9320

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  • Individual
  • Female
  • Speech-Language Pathologist

About LISA RETTBERG

This page provides the complete NPI Profile along with additional information for Lisa Rettberg, a provider established in Alta Loma, California with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1700461589 assigned on March 2021. The practitioner's primary taxonomy code is 235Z00000X with license number SP9860 (CA). The provider is registered as an individual and her NPI record was last updated 5 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1700461589
Provider Name
LISA ANN RETTBERG MA, CCC-SLP
Gender
Female
Entity Type
Individual
Location Address
9438 LEDIG DR ALTA LOMA, CA 91701
Location Phone
(951) 295-9320
Mailing Address
9438 LEDIG DR ALTA LOMA, CA 91701
Mailing Phone
(951) 295-9320
Is Sole Proprietor?
Yes
Enumeration Date
03-13-2021
Last Update Date
03-13-2021
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
SP9860
License State
CA
Taxonomy Description
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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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 1700461589, 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
7
Unchanged
Pos 3
0
Doubled → 0
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 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 0 → 0 4 → 8 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 8 + 6 + 2 + 5 + 1 + 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 1700461589.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700461589, enumerated as an "individual" on March 13, 2021.

The provider is located at 9438 LEDIG DR ALTA LOMA, CA 91701 and the phone number is (951) 295-9320.

Speech-Language Pathologist with taxonomy code 235Z00000X.