SERGEY LYASS MD SURGICAL
NPI 1639720097
Surgery in Los Angeles, CA

NPI Status: Active since September 26, 2019

Contact Information

6404 WILSHIRE BLVD STE 701
LOS ANGELES, CA
ZIP 90048
Phone: (604) 623-1786
Fax: (310) 623-1922

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  • Organization
  • Surgery

About SERGEY LYASS MD SURGICAL

This page provides the complete NPI Profile along with additional information for Sergey Lyass Md Surgical, a provider established in Los Angeles, California operating as a Surgery. The healthcare provider is registered in the NPI registry with number 1639720097 assigned on September 2019. The practitioner's primary taxonomy code is 208600000X. The provider is registered as an organization and their NPI record was last updated one year ago. Sergey Lyass Md Surgical operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Sergey Lyass (President)

NPI
1639720097
Provider Name
SERGEY LYASS MD SURGICAL
Entity Type
Organization
Location Address
6404 WILSHIRE BLVD STE 701 LOS ANGELES, CA 90048
Location Phone
(604) 623-1786
Location Fax
(310) 623-1922
Mailing Address
6404 WILSHIRE BLVD STE 701 LOS ANGELES, CA 90048
Mailing Phone
(310) 623-1786
Mailing Fax
(310) 623-1922
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-26-2019
Last Update Date
12-04-2025
Code Navigator

A surgeon like Sergey Lyass Md Surgical treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

Location Map

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

SERGEY LYASS

Authorized Official Title
PRESIDENT
Authorized Official Phone
(310) 623-1786

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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 1639720097, 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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 3 → 6 7 → 14 → 5 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 1 + 4 + 2 + 0 + 0 + 1 + 8 + 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 1639720097.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Acupuncturist
6404 WILSHIRE BLVD STE 701
LOS ANGELES, CA 90048
Chiropractor (Rehabilitation)
6404 WILSHIRE BLVD STE 701
LOS ANGELES, CA 90048
Specialist
6404 WILSHIRE BLVD STE 701
LOS ANGELES, CA 90048
Nurse Practitioner (Family)
6404 WILSHIRE BLVD STE 701
LOS ANGELES, CA 90048
Specialist
6404 WILSHIRE BLVD STE 701
LOS ANGELES, CA 90048

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639720097, enumerated as an "organization" on September 26, 2019.

The provider is located at 6404 WILSHIRE BLVD STE 701 LOS ANGELES, CA 90048 and the phone number is (604) 623-1786.

Surgery with taxonomy code 208600000X.