LINDSAY ROSELLEN CHLADEK CCC-SLP
NPI 1821865387
Speech-Language Pathologist in South San Francisco, CA

NPI Status: Active since December 05, 2023

Contact Information

1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA
ZIP 94080
Phone: (650) 742-2000

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  • Individual
  • Female
  • Speech-Language Pathologist

About LINDSAY CHLADEK

This page provides the complete NPI Profile along with additional information for Lindsay Chladek, a provider established in South San Francisco, California with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1821865387 assigned on December 2023. The practitioner's primary taxonomy code is 235Z00000X with license number 36144 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1821865387
Provider Name
LINDSAY ROSELLEN CHLADEK CCC-SLP
Gender
Female
Entity Type
Individual
Location Address
1200 EL CAMINO REAL SOUTH SAN FRANCISCO, CA 94080
Location Phone
(650) 742-2000
Mailing Address
1908 LEGEND DR MODESTO, CA 95357
Mailing Phone
(209) 303-3787
Is Sole Proprietor?
No
Enumeration Date
12-05-2023
Last Update Date
12-05-2023
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
36144
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.

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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 1821865387, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 6 + 6 + 1 + 0 + 3 + 1 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1821865387.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Psychologist (Cognitive & Behavioral)
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Nurse Practitioner (Primary Care)
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Nurse Practitioner (Adult Health)
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Radiology (Diagnostic Radiology)
1200 EL CAMINO REAL, 1ST FLOOR, DEPARTMENT OF RADIOLOGY
SOUTH SAN FRANCISCO, CA 94080
Nurse Practitioner (Family)
1200 EL CAMINO REAL, 5TH FLOOR HOPITAL TOWER
SOUTH SAN FRANCISCO, CA 94080
Pharmacist
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Nurse Practitioner
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Pharmacist
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Emergency Medicine
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Internal Medicine
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Anesthesiology
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Internal Medicine
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Pharmacist
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Surgery
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Internal Medicine (Cardiovascular Disease)
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Urology
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Anesthesiology
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Hospitalist
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Podiatrist
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
Emergency Medicine
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821865387, enumerated as an "individual" on December 05, 2023.

The provider is located at 1200 EL CAMINO REAL SOUTH SAN FRANCISCO, CA 94080 and the phone number is (650) 742-2000.

Speech-Language Pathologist with taxonomy code 235Z00000X.