VALLEY SLEEP CENTER
NPI 1821123415
Physiological Laboratory in Burbank, CA
NPI Status: Active since February 22, 2007
Contact Information
1612 W OLIVE AVE
SUITE 301
BURBANK, CA
ZIP 91506
Phone: (818) 563-5409
Fax: (818) 842-2043
NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Organization
- Physiological Laboratory
About VALLEY SLEEP CENTER
This page provides the complete NPI Profile along with additional information for Valley Sleep Center, a provider established in Burbank, California operating as a Physiological Laboratory. The healthcare provider is registered in the NPI registry with number 1821123415 assigned on February 2007. The practitioner's primary taxonomy code is 293D00000X with license number BT79339 (CA). The provider is registered as an organization and their NPI record was last updated 6 years ago. The provider's is doing business as Valley Sleep Center. The authorized official of this NPI record is Mr. Jack A Johnstone Ph.d. (President Ceo)
- NPI
- 1821123415
- Provider Legal Name
- Q-METRX, INC.
- Other Organization Name
- VALLEY SLEEP CENTER
- Other Name Type
- Doing Business As (3)
- Entity Type
- Organization
- Location Address
- 1612 W OLIVE AVE SUITE 301 BURBANK, CA 91506
- Location Phone
- (818) 563-5409
- Location Fax
- (818) 842-2043
- Mailing Address
- 1612 W OLIVE AVE SUITE 301 BURBANK, CA 91506
- Mailing Phone
- (818) 563-5409
- Mailing Fax
- (818) 842-2043
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 02-22-2007
- Last Update Date
- 08-22-2020
- Code Navigator
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
Physiological Laboratory
- Taxonomy Code
- 293D00000X
- Type
- Laboratories
- License No.
- BT79339
- License State
- CA
- Taxonomy Description
- A laboratory that operates independently of a hospital and physician's office to furnish physiological diagnostic services (e.g. EEG's , EKG's, scans, etc.). Facilities offering ONLY physiological services are not certified as independent laboratories. If an independent laboratory offers physiological services IN ADDITION to clinical laboratory services, they are surveyed only for compliance with the clinical laboratory regulations because there are no health and safety regulations for physiological services.
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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 1821123415, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 55 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821123415, enumerated as an "organization" on February 22, 2007.
The provider is located at 1612 W OLIVE AVE SUITE 301 BURBANK, CA 91506 and the phone number is (818) 563-5409.
Physiological Laboratory with taxonomy code 293D00000X.
