JACLYN SARAH FIERRO
NPI 1124810189
Respiratory Therapist, Registered in San Diego, CA

NPI Status: Active since May 17, 2025

Contact Information

555 WASHINGTON ST
SAN DIEGO, CA
ZIP 92103
Phone: (619) 260-8300

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  • Individual
  • Respiratory Therapist, Registered

About JACLYN FIERRO

This page provides the complete NPI Profile along with additional information for Jaclyn Fierro, a provider established in San Diego, California operating as a Respiratory Therapist, Registered. The healthcare provider is registered in the NPI registry with number 1124810189 assigned on May 2025. The practitioner's primary taxonomy code is 227900000X with license number 27829 (CA). The provider is registered as an individual and their NPI record was last updated one year ago.

NPI
1124810189
Provider Name
JACLYN SARAH FIERRO
Gender
Entity Type
Individual
Location Address
555 WASHINGTON ST SAN DIEGO, CA 92103
Location Phone
(619) 260-8300
Mailing Address
1619 STANDLAKE ST SAN DIEGO, CA 92154
Mailing Phone
(909) 838-8174
Is Sole Proprietor?
No
Enumeration Date
05-17-2025
Last Update Date
05-17-2025
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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

Respiratory Therapist, Registered

Taxonomy Code
227900000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
27829
License State
CA
Taxonomy Description
A Registered Respiratory Therapist (RRT) is an advanced therapist who has passed standardized written and clinical simulation examinations administered by the National Board for Respiratory Care (NBRC). In addition, to the certified therapist (CRT) entry level skills, RRTs have advanced education and training in patient assessment, in the development and modification of patient care plans, and in assuring the appropriate utilization of respiratory care resources. An RRT is a graduate of an associate or baccalaureate degree producing educational programs approved by the Commission on Accreditation of Allied Health Education Programs (CAAHEP) and where applicable, is licensed by the state and is practicing within the scope of that license.

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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 1124810189, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 2 → 4 8 → 16 → 7 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 6 + 1 + 0 + 1 + 1 + 6 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1124810189.

Other Providers at the Same Location


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

Specialist
555 WASHINGTON ST, STE 1037
SAN DIEGO, CA 92103
Durable Medical Equipment & Medical Supplies
555 WASHINGTON ST, SUITE 1037
SAN DIEGO, CA 92103
Clinic/Center (Sleep Disorder Diagnostic)
555 WASHINGTON ST, SUITE 1037
SAN DIEGO, CA 92103
Internal Medicine (Infectious Disease)
555 WASHINGTON ST
SAN DIEGO, CA 92103
Internal Medicine (Infectious Disease)
555 WASHINGTON ST
SAN DIEGO, CA 92103
Emergency Medicine
555 WASHINGTON ST
SAN DIEGO, CA 92103
Physical Therapist
555 WASHINGTON ST
SAN DIEGO, CA 92103
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
555 WASHINGTON ST
SAN DIEGO, CA 92103
Technician
555 WASHINGTON ST
SAN DIEGO, CA 92103
Nurse Practitioner
555 WASHINGTON ST
SAN DIEGO, CA 92103
Registered Nurse
555 WASHINGTON ST
SAN DIEGO, CA 92103
Nurse's Aide
555 WASHINGTON ST
SAN DIEGO, CA 92103
Registered Nurse
555 WASHINGTON ST
SAN DIEGO, CA 92103
Registered Nurse
555 WASHINGTON ST
SAN DIEGO, CA 92103
Respiratory Therapist, Registered
555 WASHINGTON ST
SAN DIEGO, CA 92103
Nurse Practitioner (Family)
555 WASHINGTON ST
SAN DIEGO, CA 92103
Nurse's Aide
555 WASHINGTON ST
SAN DIEGO, CA 92103
Nurse Practitioner (Family)
555 WASHINGTON ST
SAN DIEGO, CA 92103
Respiratory Therapist, Registered
555 WASHINGTON ST
SAN DIEGO, CA 92103
Dietitian, Registered
555 WASHINGTON ST
SAN DIEGO, CA 92103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124810189, enumerated as an "individual" on May 17, 2025.

The provider is located at 555 WASHINGTON ST SAN DIEGO, CA 92103 and the phone number is (619) 260-8300.

Respiratory Therapist, Registered with taxonomy code 227900000X.