CHENG-WEI CHANG
NPI 1730029133
Student in an Organized Health Care Education/Training Program in Chicago, IL

NPI Status: Active since March 30, 2026

Contact Information

836 W WELLINGTON AVE
CHICAGO, IL
ZIP 60657
Phone: (773) 296-8285

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  • Individual
  • Male
  • Student in an Organized Health Care Educ...

About CHENG-WEI CHANG

This page provides the complete NPI Profile along with additional information for Cheng-wei Chang, a primary care provider established in Chicago, Illinois with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1730029133 assigned on March 2026. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1730029133
Provider Name
CHENG-WEI CHANG
Gender
Male
Entity Type
Individual
Location Address
836 W WELLINGTON AVE CHICAGO, IL 60657
Location Phone
(773) 296-8285
Mailing Address
836 W WELLINGTON AVE CHICAGO, IL 60657
Is Sole Proprietor?
No
Enumeration Date
03-30-2026
Last Update Date
03-30-2026
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A primary care provider (PCP) like Cheng-wei Chang sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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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 1730029133, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
7
Unchanged
Pos 3
3
Doubled → 6
Pos 4
0
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
3
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 3 → 6 0 → 0 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 0 + 2 + 1 + 8 + 1 + 6 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1730029133.

Other Providers at the Same Location


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

Internal Medicine
836 W WELLINGTON AVE
CHICAGO, IL 60657
Obstetrics & Gynecology
836 W WELLINGTON AVE
CHICAGO, IL 60657
Pharmacist
836 W WELLINGTON AVE
CHICAGO, IL 60657
Emergency Medicine
836 W WELLINGTON AVE
CHICAGO, IL 60657
Pediatrics (Neonatal-Perinatal Medicine)
836 W WELLINGTON AVE, ROOM 3614
CHICAGO, IL 60657
Emergency Medicine
836 W WELLINGTON AVE
CHICAGO, IL 60657
Emergency Medicine
836 W WELLINGTON AVE, EMERGENCY DEPARTMENT
CHICAGO, IL 60657
Emergency Medicine
836 W WELLINGTON AVE
CHICAGO, IL 60657
Emergency Medicine
836 W WELLINGTON AVE, ADVOCATE ILLINOIS MASONIC MEDICAL CENTER, EMERGENCY MED
CHICAGO, IL 60657
Emergency Medicine
836 W WELLINGTON AVE, DEPT OF EMERGENCY MEDICINE
CHICAGO, IL 60657
Internal Medicine (Infectious Disease)
836 W WELLINGTON AVE
CHICAGO, IL 60657
Internal Medicine
836 W WELLINGTON AVE, SUITE 7405
CHICAGO, IL 60657
Emergency Medicine
836 W WELLINGTON AVE
CHICAGO, IL 60657
Surgery (Trauma Surgery)
836 W WELLINGTON AVE
CHICAGO, IL 60657
Pediatrics (Pediatric Nephrology)
836 W WELLINGTON AVE, DEPARTMENT OF PEDIATRICS SUITE 3612
CHICAGO, IL 60657
Internal Medicine
836 W WELLINGTON AVE
CHICAGO, IL 60657
Pediatrics
836 W WELLINGTON AVE, ROOM 3612
CHICAGO, IL 60657
Pediatrics (Neonatal-Perinatal Medicine)
836 W WELLINGTON AVE
CHICAGO, IL 60657
Advanced Practice Midwife
836 W WELLINGTON AVE
CHICAGO, IL 60657
Obstetrics & Gynecology
836 W WELLINGTON AVE
CHICAGO, IL 60657

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730029133, enumerated as an "individual" on March 30, 2026.

The provider is located at 836 W WELLINGTON AVE CHICAGO, IL 60657 and the phone number is (773) 296-8285.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.