LAWRENCE CHANG DPM
NPI 1295473254
Podiatrist - Foot & Ankle Surgery in Costa Mesa, CA
NPI Status: Active since May 20, 2022
Contact Information
1700 ADAMS AVE STE 204
COSTA MESA, CA
ZIP 92626
Phone: (714) 434-1776
Fax: (714) 434-1293
- Individual
- Male
- Podiatrist
- Foot & Ankle Surgery
- PECOS Enrolled
About LAWRENCE CHANG
This page provides the complete NPI Profile along with additional information for Lawrence Chang, a provider established in Costa Mesa, California with a medical specialization in Podiatrist, focusing in foot & ankle surgery . The healthcare provider is registered in the NPI registry with number 1295473254 assigned on May 2022. The practitioner's primary taxonomy code is 213ES0103X with license number E6162 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1295473254
- Provider Name
- LAWRENCE CHANG DPM
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1700 ADAMS AVE STE 204 COSTA MESA, CA 92626
- Location Phone
- (714) 434-1776
- Location Fax
- (714) 434-1293
- Mailing Address
- 110 NEW STINE RD BAKERSFIELD, CA 93309
- Mailing Phone
- (661) 832-1667
- Mailing Fax
- (714) 434-1293
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-20-2022
- Last Update Date
- 10-28-2025
- Code Navigator
Location Map
Secondary Locations
- 110 New Stine Rd
Bakersfield, CA 93309
(714) 434-1776
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
Podiatrist Foot & Ankle Surgery
- Taxonomy Code
- 213ES0103X
- Type
- Podiatric Medicine & Surgery Service Providers
- License No.
- E6162
- License State
- CA
Medicare Participation & PECOS Enrollment Status
Lawrence Chang is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME) and a Home Health Agency (HHA).
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: No
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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 1295473254, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1295473254, enumerated as an "individual" on May 20, 2022.
The provider is located at 1700 ADAMS AVE STE 204 COSTA MESA, CA 92626 and the phone number is (714) 434-1776.
Podiatrist with taxonomy code 213ES0103X and a focus in Foot & Ankle Surgery.
