ISAAC YUN RCP
NPI 1295699882
Respiratory Therapist, Registered in Bellflower, CA

NPI Status: Active since December 10, 2025

Contact Information

9735 OAK ST APT 402
BELLFLOWER, CA
ZIP 90706
Phone: (714) 326-3415

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  • Individual
  • Male
  • Respiratory Therapist, Registered

About ISAAC YUN

This page provides the complete NPI Profile along with additional information for Isaac Yun, a provider established in Bellflower, California with a medical specialization in Respiratory Therapist, Registered. The healthcare provider is registered in the NPI registry with number 1295699882 assigned on December 2025. The practitioner's primary taxonomy code is 227900000X with license number 37644 (CA). The provider is registered as an individual and his 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.

NPI
1295699882
Provider Name
ISAAC YUN RCP
Gender
Male
Entity Type
Individual
Location Address
9735 OAK ST APT 402 BELLFLOWER, CA 90706
Location Phone
(714) 326-3415
Mailing Address
9735 OAK ST APT 401 BELLFLOWER, CA 90706
Is Sole Proprietor?
Yes
Enumeration Date
12-10-2025
Last Update Date
12-10-2025
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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.
37644
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.

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.

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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 1295699882, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
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 6 → 12 → 3 9 → 18 → 9 8 → 16 → 7

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 + 2 + 9 + 1 + 8 + 8 + 1 + 6 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1295699882.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295699882, enumerated as an "individual" on December 10, 2025.

The provider is located at 9735 OAK ST APT 402 BELLFLOWER, CA 90706 and the phone number is (714) 326-3415.

Respiratory Therapist, Registered with taxonomy code 227900000X.