TERRANCE T CHANG
NPI 1861561219
Allergy & Immunology in Roseville, CA

NPI Status: Active since November 07, 2006

Contact Information

8723 SIERRA COLLEGE BLVD
SUITE 220
ROSEVILLE, CA
ZIP 95661
Phone: (916) 791-0797
Fax: (916) 791-1479

Get Directions Write a Review

  • Individual
  • Male
  • Allergy & Immunology

About TERRANCE CHANG

This page provides the complete NPI Profile along with additional information for Terrance Chang, a provider established in Roseville, California with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1861561219 assigned on November 2006. The practitioner's primary taxonomy code is 207K00000X with license number G33580 (CA). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1861561219
Provider Name
TERRANCE T CHANG
Gender
Male
Entity Type
Individual
Location Address
8723 SIERRA COLLEGE BLVD SUITE 220 ROSEVILLE, CA 95661
Location Phone
(916) 791-0797
Location Fax
(916) 791-1479
Mailing Address
4120 DOUGLAS BLVD # 112 GRANITE BAY, CA 95746
Mailing Phone
(916) 791-0797
Mailing Fax
(916) 791-1479
Is Sole Proprietor?
No
Enumeration Date
11-07-2006
Last Update Date
03-03-2016
Code Navigator

Location Map

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

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
G33580
License State
CA
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

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)
1207KA0200XAllopathic & Osteopathic Physicians

Allergy & Immunology
Allergy

G33580 (CA)
2207KI0005XAllopathic & Osteopathic Physicians

Allergy & Immunology
Clinical & Laboratory Immunology

G33580 (CA)
3208000000XAllopathic & Osteopathic Physicians

Pediatrics

G33580 (CA)
42080I0007XAllopathic & Osteopathic Physicians

Pediatrics
Clinical & Laboratory Immunology

G33580 (CA)
52080P0006XAllopathic & Osteopathic Physicians

Pediatrics
Developmental - Behavioral Pediatrics

G33580 (CA)
62080P0201XAllopathic & Osteopathic Physicians

Pediatrics
Pediatric Allergy/Immunology

G33580 (CA)

Reviews for TERRANCE T CHANG

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1861561219, 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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
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 6 → 12 → 3 5 → 10 → 1 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 1 + 0 + 6 + 2 + 2 + 2 + 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 1861561219.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Allergy & Immunology
8723 SIERRA COLLEGE BLVD, SUITE 220
ROSEVILLE, CA 95661

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861561219, enumerated as an "individual" on November 07, 2006.

The provider is located at 8723 SIERRA COLLEGE BLVD SUITE 220 ROSEVILLE, CA 95661 and the phone number is (916) 791-0797.

Allergy & Immunology with taxonomy code 207K00000X.