SAN GABRIEL VALLEY SLEEP LAB, LLC
NPI 1790934834
Clinic/Center - Sleep Disorder Diagnostic in West Covina, CA

NPI Status: Active since September 12, 2008

Contact Information

421 S GLENDORA AVE
SUITE 200
WEST COVINA, CA
ZIP 91790
Phone: (626) 919-3000

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  • Organization
  • Clinic/Center
  • Sleep Disorder Diagnostic
  • CLIA Number: 05D0865235
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 08-31-2026

About SAN GABRIEL VALLEY SLEEP LAB, LLC

This page provides the complete NPI Profile along with additional information for San Gabriel Valley Sleep Lab, Llc, a provider established in West Covina, California operating as a Clinic/center, focusing in sleep disorder diagnostic . The healthcare provider is registered in the NPI registry with number 1790934834 assigned on September 2008. The practitioner's primary taxonomy code is 261QS1200X with license number A38413 (CA). The provider is registered as an organization and their NPI record was last updated 14 years ago. The authorized official of this NPI record is Dr. Clyde J Dos Santos M.d. (Partner)

NPI
1790934834
Provider Name
SAN GABRIEL VALLEY SLEEP LAB, LLC
Entity Type
Organization
Location Address
421 S GLENDORA AVE SUITE 200 WEST COVINA, CA 91790
Location Phone
(626) 919-3000
Mailing Address
421 S GLENDORA AVE SUITE 200 WEST COVINA, CA 91790
Mailing Phone
(626) 919-3000
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-12-2008
Last Update Date
01-10-2012
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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

Clinic/Center Sleep Disorder Diagnostic

Taxonomy Code
261QS1200X
Type
Ambulatory Health Care Facilities
License No.
A38413
License State
CA

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

DR. CLYDE J DOS SANTOS M.D.

Authorized Official Title
PARTNER
Authorized Official Phone
(714) 772-8282

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
EX573AMEDICARE PIN (08)CA 

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D0865235
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
THOMAS O. BRYAN
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to San Gabriel Valley Sleep Lab, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1790934834, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
4
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 9 → 18 → 9 9 → 18 → 9 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 8 + 3 + 8 + 8 + 6 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1790934834.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Marriage & Family Therapist
421 S GLENDORA AVE
WEST COVINA, CA 91790

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790934834, enumerated as an "organization" on September 12, 2008.

The provider is located at 421 S GLENDORA AVE SUITE 200 WEST COVINA, CA 91790 and the phone number is (626) 919-3000.

Clinic/Center with taxonomy code 261QS1200X and a focus in Sleep Disorder Diagnostic.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.