OLIVIA LOUISE DE LA PIEDRA-MORRISSEY
NPI 1902372154
Student in an Organized Health Care Education/Training Program in Santa Ana, CA

NPI Status: Active since October 15, 2018

Contact Information

405 W 5TH ST
SANTA ANA, CA
ZIP 92701
Phone: (714) 834-4603

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  • Individual
  • Female
  • Student in an Organized Health Care Educ...

About OLIVIA DE LA PIEDRA-MORRISSEY

This page provides the complete NPI Profile along with additional information for Olivia De La Piedra-morrissey, a primary care provider established in Santa Ana, California with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1902372154 assigned on October 2018. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1902372154
Provider Name
OLIVIA LOUISE DE LA PIEDRA-MORRISSEY
Gender
Female
Entity Type
Individual
Location Address
405 W 5TH ST SANTA ANA, CA 92701
Location Phone
(714) 834-4603
Mailing Address
405 W 5TH ST SANTA ANA, CA 92701
Is Sole Proprietor?
No
Enumeration Date
10-15-2018
Last Update Date
02-26-2026
Code Navigator

A primary care provider (PCP) like Olivia De La Piedra-morrissey sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

Secondary Locations

  • 1801 Vicente St
    San Francisco, CA 94116
    (415) 681-3211

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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
License State
CA
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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)
1171M00000XOther Service Providers

Case Manager/Care Coordinator

 
2172V00000XOther Service Providers

Community Health Worker

 

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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 1902372154, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
0
Doubled → 0
Pos 4
2
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
4
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 0 → 0 3 → 6 2 → 4 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 + 0 + 2 + 6 + 7 + 4 + 1 + 1 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1902372154.

Other Providers at the Same Location


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

Psychologist
405 W 5TH ST, #410
SANTA ANA, CA 92701
Marriage & Family Therapist
405 W 5TH ST
SANTA ANA, CA 92701
Psychologist (Clinical)
405 W 5TH ST, STE 590
SANTA ANA, CA 92701
Social Worker (Clinical)
405 W 5TH ST, STE# 590
SANTA ANA, CA 92701
Social Worker (Clinical)
405 W 5TH ST, STE 550
SANTA ANA, CA 92701
Psychiatry & Neurology (Psychiatry)
405 W 5TH ST, STE. 525
SANTA ANA, CA 92701
Psychologist (Clinical)
405 W 5TH ST, SUITE 590
SANTA ANA, CA 92701
Social Worker (Clinical)
405 W 5TH ST, SUITE 521
SANTA ANA, CA 92701
Social Worker (Clinical)
405 W 5TH ST
SANTA ANA, CA 92701
Technician
405 W 5TH ST
SANTA ANA, CA 92701
Social Worker (Clinical)
405 W 5TH ST, 550
SANTA ANA, CA 92701
Psychologist (Clinical)
405 W 5TH ST, STE 590
SANTA ANA, CA 92701
Psychologist
405 W 5TH ST, SUITE 212
SANTA ANA, CA 92701
Psychologist (Clinical)
405 W 5TH ST, 202A
SANTA ANA, CA 92701
Psychologist (Clinical)
405 W 5TH ST, SUITE 400
SANTA ANA, CA 92701
Counselor (Mental Health)
405 W 5TH ST, SUITE 590
SANTA ANA, CA 92701
Internal Medicine (Addiction Medicine)
405 W 5TH ST, SUITE 212
SANTA ANA, CA 92701
Counselor (Mental Health)
405 W 5TH ST, SUITE 590
SANTA ANA, CA 92701
Social Worker (Clinical)
405 W 5TH ST, SUITE 212
SANTA ANA, CA 92701
Licensed Psychiatric Technician
405 W 5TH ST, STE 550
SANTA ANA, CA 92701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902372154, enumerated as an "individual" on October 15, 2018.

The provider is located at 405 W 5TH ST SANTA ANA, CA 92701 and the phone number is (714) 834-4603.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.