GRACE HUI-YI CHANG PHD
NPI 1184567117
Psychologist - Clinical in Saint Petersburg, FL

NPI Status: Active since April 13, 2026

Contact Information

4301 15TH AVE N
SAINT PETERSBURG, FL
ZIP 33713
Phone: (304) 389-3561

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  • Individual
  • Female
  • Psychologist
  • Clinical

About GRACE CHANG

This page provides the complete NPI Profile along with additional information for Grace Chang, a provider established in Saint Petersburg, Florida with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1184567117 assigned on April 2026. The practitioner's primary taxonomy code is 103TC0700X with license number PY12772 (FL). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1184567117
Provider Name
GRACE HUI-YI CHANG PHD
Gender
Female
Entity Type
Individual
Location Address
4301 15TH AVE N SAINT PETERSBURG, FL 33713
Location Phone
(304) 389-3561
Mailing Address
3615 49TH ST N # 245 SAINT PETERSBURG, FL 33710
Mailing Phone
(304) 389-3561
Is Sole Proprietor?
Yes
Enumeration Date
04-13-2026
Last Update Date
04-13-2026
Code Navigator

A clinical psychologist like Grace Chang assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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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

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PY12772
License State
FL
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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)
1103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

0810004275 (VA)

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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 1184567117, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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
6
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
7
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 7 → 14 → 5 1 → 2

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 + 6 + 1 + 4 + 1 + 2 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1184567117.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184567117, enumerated as an "individual" on April 13, 2026.

The provider is located at 4301 15TH AVE N SAINT PETERSBURG, FL 33713 and the phone number is (304) 389-3561.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.