LYNN CHANG
NPI 1881081032
Physical Medicine & Rehabilitation - Pain Medicine in Calabasas, CA
NPI Status: Active since April 24, 2015
Contact Information
23901 CALABASAS RD STE 2080
CALABASAS, CA
ZIP 91302
Phone: (877) 772-7081
- Individual
- Female
- Physical Medicine & Rehabilitation
- Pain Medicine
About LYNN CHANG
This page provides the complete NPI Profile along with additional information for Lynn Chang, a provider established in Calabasas, California with a medical specialization in Physical Medicine & Rehabilitation, focusing in pain medicine . The healthcare provider is registered in the NPI registry with number 1881081032 assigned on April 2015. The practitioner's primary taxonomy code is 2081P2900X with license number 20A15600 (CA). The provider is registered as an individual and her NPI record was last updated January 2026.
- NPI
- 1881081032
- Provider Name
- LYNN CHANG
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 23901 CALABASAS RD STE 2080 CALABASAS, CA 91302
- Location Phone
- (877) 772-7081
- Mailing Address
- 22287 MULHOLLAND HWY # 526 CALABASAS, CA 91302
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-24-2015
- Last Update Date
- 01-22-2026
- 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
Physical Medicine & Rehabilitation Pain Medicine
- Taxonomy Code
- 2081P2900X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 20A15600
- License State
- CA
- Taxonomy Description
- A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
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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 1881081032, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
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 58 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
CALABASAS, CA 91302
CALABASAS, CA 91302
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1881081032, enumerated as an "individual" on April 24, 2015.
The provider is located at 23901 CALABASAS RD STE 2080 CALABASAS, CA 91302 and the phone number is (877) 772-7081.
Physical Medicine & Rehabilitation with taxonomy code 2081P2900X and a focus in Pain Medicine.
