NANCY MAE D DADIVAS
NPI 1972440659
Registered Nurse - Psychiatric/Mental Health in Long Beach, CA

NPI Status: Active since May 01, 2026

Contact Information

2600 REDONDO AVE
LONG BEACH, CA
ZIP 90806
Phone: (844) 562-1212

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  • Individual
  • Female
  • Registered Nurse
  • Psychiatric/Mental Health

About NANCY MAE DADIVAS

This page provides the complete NPI Profile along with additional information for Nancy Mae Dadivas, a provider established in Long Beach, California with a medical specialization in Registered Nurse, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1972440659 assigned on May 2026. The practitioner's primary taxonomy code is 163WP0808X with license number 492704 (CA). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1972440659
Provider Name
NANCY MAE D DADIVAS
Gender
Female
Entity Type
Individual
Location Address
2600 REDONDO AVE LONG BEACH, CA 90806
Location Phone
(844) 562-1212
Mailing Address
6339 CAPETOWN ST LAKEWOOD, CA 90713
Is Sole Proprietor?
No
Enumeration Date
05-01-2026
Last Update Date
05-01-2026
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A registered nurse (RN) like Nancy Mae Dadivas coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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

Registered Nurse Psychiatric/Mental Health

Taxonomy Code
163WP0808X
Type
Nursing Service Providers
License No.
492704
License State
CA

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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 1972440659, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
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 7 → 14 → 5 4 → 8 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 8 + 4 + 0 + 6 + 1 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1972440659.

Other Providers at the Same Location


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

Allergy & Immunology
2600 REDONDO AVE, STE 400
LONG BEACH, CA 90806
Physician Assistant
2600 REDONDO AVE
LONG BEACH, CA 90806
Pharmacy (Community/Retail Pharmacy)
2600 REDONDO AVE
LONG BEACH, CA 90806
Pathology (Blood Banking & Transfusion Medicine)
2600 REDONDO AVE, SUITE 402
LONG BEACH, CA 90806
Psychologist (Clinical)
2600 REDONDO AVE
LONG BEACH, CA 90806
Nurse Practitioner (Family)
2600 REDONDO AVE, SUITE 400
LONG BEACH, CA 90806
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
2600 REDONDO AVE, SUITE 5
LONG BEACH, CA 90806
Physician Assistant
2600 REDONDO AVE, SUITE 501
LONG BEACH, CA 90806
Pharmacist
2600 REDONDO AVE
LONG BEACH, CA 90806
Pharmacist
2600 REDONDO AVE, SUITE 303
LONG BEACH, CA 90806
Dietitian, Registered
2600 REDONDO AVE
LONG BEACH, CA 90806
Dietitian, Registered
2600 REDONDO AVE
LONG BEACH, CA 90806
Ophthalmology
2600 REDONDO AVE
LONG BEACH, CA 90806
Family Medicine
2600 REDONDO AVE
LONG BEACH, CA 90806
Non-Pharmacy Dispensing Site
2600 REDONDO AVE, 3RD FLOOR
LONG BEACH, CA 90806
Pediatrics
2600 REDONDO AVE
LONG BEACH, CA 90806
Family Medicine
2600 REDONDO AVE, 303
LONG BEACH, CA 90806
Internal Medicine
2600 REDONDO AVE, SUITE 500
LONG BEACH, CA 90806
Pharmacist (Pharmacotherapy)
2600 REDONDO AVE
LONG BEACH, CA 90806
Internal Medicine
2600 REDONDO AVE, SUITE 204
LONG BEACH, CA 90806

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972440659, enumerated as an "individual" on May 01, 2026.

The provider is located at 2600 REDONDO AVE LONG BEACH, CA 90806 and the phone number is (844) 562-1212.

Registered Nurse with taxonomy code 163WP0808X and a focus in Psychiatric/Mental Health.