SLEEP CARE CENTERS
NPI 1083993240
Family Medicine - Sleep Medicine in Rancho Cucamonga, CA

NPI Status: Active since August 05, 2011

Contact Information

8598 UTICA AVE STE 100
RANCHO CUCAMONGA, CA
ZIP 91730
Phone: (909) 987-3535
Fax: (909) 987-3536

Get Directions Write a Review

  • Organization
  • Family Medicine
  • Sleep Medicine

About SLEEP CARE CENTERS

This page provides the complete NPI Profile along with additional information for Sleep Care Centers, a provider established in Rancho Cucamonga, California operating as a Family Medicine, focusing in sleep medicine . The healthcare provider is registered in the NPI registry with number 1083993240 assigned on August 2011. The practitioner's primary taxonomy code is 207QS1201X. The provider is registered as an organization and their NPI record was last updated January 2026. The provider's . The authorized official of this NPI record is Leonor Pereira (Ceo)

NPI
1083993240
Provider Legal Name
SLEEP CARE CENTERS
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
8598 UTICA AVE STE 100 RANCHO CUCAMONGA, CA 91730
Location Phone
(909) 987-3535
Location Fax
(909) 987-3536
Mailing Address
8598 UTICA AVE STE 100 RANCHO CUCAMONGA, CA 91730
Mailing Phone
(909) 987-3535
Mailing Fax
(909) 987-3536
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-05-2011
Last Update Date
01-16-2026
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

Family Medicine Sleep Medicine

Taxonomy Code
207QS1201X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A Family Medicine Physician who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1261QS1200XAmbulatory Health Care Facilities

Clinic/Center
Sleep Disorder Diagnostic

 
2332B00000XSuppliers

Durable Medical Equipment & Medical Supplies

 

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

LEONOR PEREIRA

Authorized Official Title
CEO
Authorized Official Phone
(626) 833-8689

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Sleep study in sleep lab (6 years or older)

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

This service was performed 29 times for 29 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older)

A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.

This service was performed 32 times for 30 patients

Reviews for SLEEP CARE CENTERS

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1083993240, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 8 → 16 → 7 9 → 18 → 9 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 8 + 9 + 6 + 2 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1083993240.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Clinical Medical Laboratory
8598 UTICA AVE STE 100
RANCHO CUCAMONGA, CA 91730
Clinic/Center (Sleep Disorder Diagnostic)
8598 UTICA AVE STE 100
RANCHO CUCAMONGA, CA 91730

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083993240, enumerated as an "organization" on August 05, 2011.

The provider is located at 8598 UTICA AVE STE 100 RANCHO CUCAMONGA, CA 91730 and the phone number is (909) 987-3535.

Family Medicine with taxonomy code 207QS1201X and a focus in Sleep Medicine.