DR. YENHUI CHANG M.D., PH.D.
NPI 1609939164
Specialist/Technologist, Other - Geneticist, Medical (PhD) in St Petersburg, FL

NPI Status: Active since December 18, 2006

Contact Information

800 6TH ST S
CHC, 5TH FLOOR
ST PETERSBURG, FL
ZIP 33701
Phone: (727) 767-4230
Fax: (727) 767-8911

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  • Individual
  • Female
  • Specialist/Technologist, Other
  • Geneticist, Medical (PhD)

About YENHUI CHANG

This page provides the complete NPI Profile along with additional information for Yenhui Chang, a provider established in St Petersburg, Florida with a medical specialization in Specialist/technologist, Other, focusing in geneticist, medical (phd) . The healthcare provider is registered in the NPI registry with number 1609939164 assigned on December 2006. The practitioner's primary taxonomy code is 246ZG1000X with license number DI31966 (FL). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1609939164
Provider Name
DR. YENHUI CHANG M.D., PH.D.
Gender
Female
Entity Type
Individual
Location Address
800 6TH ST S CHC, 5TH FLOOR ST PETERSBURG, FL 33701
Location Phone
(727) 767-4230
Location Fax
(727) 767-8911
Mailing Address
127 ARANDA ST NE ST PETERSBURG, FL 33704
Mailing Phone
(727) 767-4230
Mailing Fax
(727) 767-8911
Is Sole Proprietor?
No
Enumeration Date
12-18-2006
Last Update Date
07-08-2007
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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

Specialist/Technologist, Other Geneticist, Medical (PhD)

Taxonomy Code
246ZG1000X
Type
Technologists, Technicians & Other Technical Service Providers
License No.
DI31966
License State
FL

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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 1609939164, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 9 → 18 → 9 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 1 + 8 + 3 + 1 + 8 + 1 + 1 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1609939164.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Specialist
800 6TH ST S
ST PETERSBURG, FL 33701
Specialist
800 6TH ST S
ST PETERSBURG, FL 33701
Speech-Language Pathologist
800 6TH ST S, 4TH FLOOR
ST PETERSBURG, FL 33701
Psychologist (Clinical)
800 6TH ST S, CHILDRENS HEALTH CTR
ST PETERSBURG, FL 33701
Psychologist (Clinical)
800 6TH ST S, CHILDRENS HEALTH CENTER
ST PETERSBURG, FL 33701
Psychiatry & Neurology (Psychiatry)
800 6TH ST S, MDC15
ST PETERSBURG, FL 33701
Psychologist
800 6TH ST S, BOX 7523
ST PETERSBURG, FL 33701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609939164, enumerated as an "individual" on December 18, 2006.

The provider is located at 800 6TH ST S CHC, 5TH FLOOR ST PETERSBURG, FL 33701 and the phone number is (727) 767-4230.

Specialist/Technologist, Other with taxonomy code 246ZG1000X and a focus in Geneticist, Medical (PhD).