MODERN SLEEP PHYSICIANS OF CALIFORNIA
NPI 1295520070
Psychiatry & Neurology - Sleep Medicine in San Jose, CA

NPI Status: Active since April 11, 2025

Contact Information

99 ALMADEN BLVD STE 600
SAN JOSE, CA
ZIP 95113
Phone: (669) 231-8700
Fax: (425) 636-2401

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  • Organization
  • Psychiatry & Neurology
  • Sleep Medicine

About MODERN SLEEP PHYSICIANS OF CALIFORNIA

This page provides the complete NPI Profile along with additional information for Modern Sleep Physicians Of California, a provider established in San Jose, California operating as a Psychiatry & Neurology, focusing in sleep medicine . The healthcare provider is registered in the NPI registry with number 1295520070 assigned on April 2025. The practitioner's primary taxonomy code is 2084S0012X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Gandis Mazeika Md (President)

NPI
1295520070
Provider Name
MODERN SLEEP PHYSICIANS OF CALIFORNIA
Entity Type
Organization
Location Address
99 ALMADEN BLVD STE 600 SAN JOSE, CA 95113
Location Phone
(669) 231-8700
Location Fax
(425) 636-2401
Mailing Address
16150 NE 85TH ST STE 203 REDMOND, WA 98052
Mailing Phone
(206) 427-4242
Mailing Fax
(425) 636-2401
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-11-2025
Last Update Date
04-11-2025
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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

Psychiatry & Neurology Sleep Medicine

Taxonomy Code
2084S0012X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A Psychiatrist or Neurologist 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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

DR. GANDIS MAZEIKA MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(206) 427-4242

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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 1295520070, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 9 → 18 → 9 5 → 10 → 1 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 0 + 2 + 0 + 0 + 1 + 4 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1295520070.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Nurse Practitioner
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Non-emergency Medical Transport (VAN)
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Counselor (Mental Health)
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Social Worker (Clinical)
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Social Worker (Clinical)
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Psychologist
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Social Worker (Clinical)
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Non-emergency Medical Transport (VAN)
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Marriage & Family Therapist
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Family Medicine
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Marriage & Family Therapist
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Social Worker (Clinical)
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Marriage & Family Therapist
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Psychologist
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295520070, enumerated as an "organization" on April 11, 2025.

The provider is located at 99 ALMADEN BLVD STE 600 SAN JOSE, CA 95113 and the phone number is (669) 231-8700.

Psychiatry & Neurology with taxonomy code 2084S0012X and a focus in Sleep Medicine.