DR. CHUNG LAU M.D.
NPI 1932495041
Otolaryngology - Otolaryngology/Facial Plastic Surgery in Beverly Hills, CA

NPI Status: Active since June 27, 2011

Contact Information

201 S LASKY DR
BEVERLY HILLS, CA
ZIP 90212
Phone: (310) 277-4572
Fax: (310) 556-1088

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Otolaryngology
Otolaryngology/Facial Plastic Surgery

About CHUNG LAU

This page provides the complete NPI Profile along with additional information for Chung Lau, a provider established in Beverly Hills, California with a medical specialization in Otolaryngology, focusing in otolaryngology/facial plastic surgery . The healthcare provider is registered in the NPI registry with number 1932495041 assigned on June 2011. The practitioner's primary taxonomy code is 207YX0905X with license number A116091 (CA). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI: 1932495041
Provider Name: DR. CHUNG LAU M.D.
Gender: Male
Entity Type: Individual
Location Address: 201 S LASKY DR BEVERLY HILLS, CA 90212
Location Phone: (310) 277-4572
Location Fax: (310) 556-1088
Mailing Address: 201 S LASKY DR BEVERLY HILLS, CA 90212
Mailing Phone: (310) 277-4572
Mailing Fax: (310) 556-1088
Is Sole Proprietor?: No
Enumeration Date: 06-27-2011
Last Update Date: 06-27-2011
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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: Otolaryngology Otolaryngology/Facial Plastic Surgery
Taxonomy Code: 207YX0905X
Type: Allopathic & Osteopathic Physicians
License No.: A116091
License State: CA
Taxonomy Description: An otolaryngologist who specializes in the diagnosis and surgical treatment of head and neck conditions.

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 1932495041, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

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 3 → 6 4 → 8 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 6 + 2 + 8 + 9 + 1 + 0 + 0 + 8 + 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 1932495041.