STEPHANIE DIAZ PMHNP
NPI 1699313296
Nurse Practitioner - Psychiatric/Mental Health in Covina, CA

NPI Status: Active since December 13, 2019

Contact Information

1359 N GRAND AVE
COVINA, CA
ZIP 91724
Phone: (626) 430-2900

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

About STEPHANIE DIAZ

This page provides the complete NPI Profile along with additional information for Stephanie Diaz, a provider established in Covina, California with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1699313296 assigned on December 2019. The practitioner's primary taxonomy code is 363LP0808X with license number NP95035542 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1699313296
Provider Name
STEPHANIE DIAZ PMHNP
Gender
Female
Entity Type
Individual
Location Address
1359 N GRAND AVE COVINA, CA 91724
Location Phone
(626) 430-2900
Mailing Address
1359 N GRAND AVE COVINA, CA 91724
Mailing Phone
(909) 376-0065
Is Sole Proprietor?
Yes
Enumeration Date
12-13-2019
Last Update Date
09-04-2025
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A nurse practitioner (NP) like Stephanie Diaz is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
NP95035542
License State
CA

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)
1163W00000XNursing Service Providers

Registered Nurse

795985 (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 1699313296, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 6 + 1 + 6 + 2 + 1 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1699313296.

Other Providers at the Same Location


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

Counselor (Mental Health)
1359 N GRAND AVE
COVINA, CA 91724
Community Health Worker
1359 N GRAND AVE
COVINA, CA 91724
Community Health Worker
1359 N GRAND AVE
COVINA, CA 91724
Community Health Worker
1359 N GRAND AVE
COVINA, CA 91724
Community Health Worker
1359 N GRAND AVE
COVINA, CA 91724
Community Health Worker
1359 N GRAND AVE
COVINA, CA 91724
Social Worker (Clinical)
1359 N GRAND AVE
COVINA, CA 91724
Counselor
1359 N GRAND AVE
COVINA, CA 91724
Social Worker (Clinical)
1359 N GRAND AVE
COVINA, CA 91724
Rehabilitation Practitioner
1359 N GRAND AVE
COVINA, CA 91724
Case Manager/Care Coordinator
1359 N GRAND AVE
COVINA, CA 91724
Marriage & Family Therapist
1359 N GRAND AVE
COVINA, CA 91724
Psychologist (Clinical)
1359 N GRAND AVE
COVINA, CA 91724
Social Worker (Clinical)
1359 N GRAND AVE
COVINA, CA 91724
Social Worker (Clinical)
1359 N GRAND AVE
COVINA, CA 91724
Clinic/Center
1359 N GRAND AVE
COVINA, CA 91724
Psychologist
1359 N GRAND AVE
COVINA, CA 91724
Social Worker (Clinical)
1359 N GRAND AVE
COVINA, CA 91724
Psychiatry & Neurology (Psychiatry)
1359 N GRAND AVE
COVINA, CA 91724
Social Worker (Clinical)
1359 N GRAND AVE
COVINA, CA 91724

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699313296, enumerated as an "individual" on December 13, 2019.

The provider is located at 1359 N GRAND AVE COVINA, CA 91724 and the phone number is (626) 430-2900.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.