VIVIEN CHAN M.D.
NPI 1871509026
Psychiatry & Neurology - Child & Adolescent Psychiatry in Irvine, CA
NPI Status: Active since July 31, 2006
Contact Information
501 STUDENT HEALTH
IRVINE, CA
ZIP 92697
Phone: (949) 824-5304
Fax: (949) 824-0323
- Individual
- Female
- Psychiatry & Neurology
- Child & Adolescent Psychiatry
About VIVIEN CHAN
This page provides the complete NPI Profile along with additional information for Vivien Chan, a provider established in Irvine, California with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1871509026 assigned on July 2006. The practitioner's primary taxonomy code is 2084P0804X with license number A70354 (CA). The provider is registered as an individual and her NPI record was last updated 5 years ago.
- NPI
- 1871509026
- Provider Name
- VIVIEN CHAN M.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 501 STUDENT HEALTH IRVINE, CA 92697
- Location Phone
- (949) 824-5304
- Location Fax
- (949) 824-0323
- Mailing Address
- 1 QUAIL BUSH IRVINE, CA 92618
- Mailing Phone
- (949) 274-8809
- Mailing Fax
- (949) 824-0323
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-31-2006
- Last Update Date
- 12-24-2020
- Code Navigator
Location Map
Secondary Locations
- 6363 Greenwich Dr Ste 101
San Diego, CA 92122
(858) 249-0466
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 Child & Adolescent Psychiatry
- Taxonomy Code
- 2084P0804X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A70354
- License State
- CA
- Taxonomy Description
- Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
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) |
|---|---|---|---|---|
| 1 | 2084P0800X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | A70354 (CA) |
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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 1871509026, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 17 providers are registered at the same or a nearby location.
IRVINE, CA 92697
IRVINE, CA 92697
IRVINE, CA 92697
IRVINE, CA 92697
IRVINE, CA 92697
IRVINE, CA 92697
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1871509026, enumerated as an "individual" on July 31, 2006.
The provider is located at 501 STUDENT HEALTH IRVINE, CA 92697 and the phone number is (949) 824-5304.
Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.
