NICHOLAS CHANG
NPI 1184512188
Peer Specialist in Pomona, CA

NPI Status: Active since June 26, 2025

Contact Information

1900 ROYALTY DR
POMONA, CA
ZIP 91767
Phone: (909) 766-7331

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  • Individual
  • Male
  • Peer Specialist

About NICHOLAS CHANG

This page provides the complete NPI Profile along with additional information for Nicholas Chang, a provider established in Pomona, California with a medical specialization in Peer Specialist. The healthcare provider is registered in the NPI registry with number 1184512188 assigned on June 2025. The practitioner's primary taxonomy code is 175T00000X with license number MPSS-EOFDPN (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1184512188
Provider Name
NICHOLAS CHANG
Gender
Male
Entity Type
Individual
Location Address
1900 ROYALTY DR POMONA, CA 91767
Location Phone
(909) 766-7331
Mailing Address
1900 ROYALTY DR POMONA, CA 91767
Mailing Phone
(909) 766-7331
Is Sole Proprietor?
No
Enumeration Date
06-26-2025
Last Update Date
06-26-2025
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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

Peer Specialist

Taxonomy Code
175T00000X
Type
Other Service Providers
License No.
MPSS-EOFDPN
License State
CA
Taxonomy Description
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.

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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 1184512188, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
8
Doubled → 16 → 1 + 6
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
8
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 8 → 16 → 7 5 → 10 → 1 2 → 4 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 + 1 + 6 + 4 + 1 + 0 + 1 + 4 + 1 + 1 + 6 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1184512188.

Other Providers at the Same Location


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

Internal Medicine (Nephrology)
1900 ROYALTY DR, SUITE 130
POMONA, CA 91767
Emergency Medicine
1900 ROYALTY DR, SUITE 200
POMONA, CA 91767
Internal Medicine (Nephrology)
1900 ROYALTY DR, SUITE 130
POMONA, CA 91767
Internal Medicine
1900 ROYALTY DR, STE 205
POMONA, CA 91767
Pharmacy (Community/Retail Pharmacy)
1900 ROYALTY DR, STE 190
POMONA, CA 91767
Internal Medicine (Gastroenterology)
1900 ROYALTY DR, SUITE # 205
POMONA, CA 91767
Surgery (Vascular Surgery)
1900 ROYALTY DR, STE 205
POMONA, CA 91767
Internal Medicine
1900 ROYALTY DR, SUITE 205
POMONA, CA 91767
Marriage & Family Therapist
1900 ROYALTY DR
POMONA, CA 91767
Optometrist
1900 ROYALTY DR, STE 100
POMONA, CA 91767
Clinic/Center (Mental Health (Including Community Mental Health Center))
1900 ROYALTY DR, SUITES 160,170,180,205,280 & 290
POMONA, CA 91767
Marriage & Family Therapist
1900 ROYALTY DR, STE. 180
POMONA, CA 91767
Social Worker (Clinical)
1900 ROYALTY DR
POMONA, CA 91767
Internal Medicine
1900 ROYALTY DR, SUITE 130
POMONA, CA 91767
Optometrist
1900 ROYALTY DR, STE 100
POMONA, CA 91767
Social Worker (Clinical)
1900 ROYALTY DR
POMONA, CA 91767
Social Worker (Clinical)
1900 ROYALTY DR
POMONA, CA 91767
Marriage & Family Therapist
1900 ROYALTY DR
POMONA, CA 91767
Marriage & Family Therapist
1900 ROYALTY DR
POMONA, CA 91767
Day Training/Habilitation Specialist
1900 ROYALTY DR
POMONA, CA 91767

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184512188, enumerated as an "individual" on June 26, 2025.

The provider is located at 1900 ROYALTY DR POMONA, CA 91767 and the phone number is (909) 766-7331.

Peer Specialist with taxonomy code 175T00000X.