DR. SIENNA LILIAN WU MD
NPI 1851222996
Psychiatry & Neurology - Neurology in Chicago, IL
NPI Status: Active since May 27, 2026
Contact Information
1620 W HARRISON ST
CHICAGO, IL
ZIP 60612
Phone: (312) 942-5000
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Psychiatry & Neurology
- Neurology
About SIENNA WU
This page provides the complete NPI Profile along with additional information for Sienna Wu, a provider established in Chicago, Illinois with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1851222996 assigned on May 2026. The practitioner's primary taxonomy code is 2084N0400X with license number 125.087748 (IL). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1851222996
- Provider Name
- DR. SIENNA LILIAN WU MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1620 W HARRISON ST CHICAGO, IL 60612
- Location Phone
- (312) 942-5000
- Mailing Address
- 1503 BELLNAP DR ALLEN, TX 75013
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-27-2026
- Last Update Date
- 05-27-2026
- 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
Psychiatry & Neurology Neurology
- Taxonomy Code
- 2084N0400X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 125.087748
- License State
- IL
- Taxonomy Description
- A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Reviews for DR. SIENNA LILIAN WU MD
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 1851222996, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 64 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1851222996, enumerated as an "individual" on May 27, 2026.
The provider is located at 1620 W HARRISON ST CHICAGO, IL 60612 and the phone number is (312) 942-5000.
Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.
