DR. PAUL E. CHASAN M.D. FACS
NPI 1477871127
Clinic/Center - Ambulatory Surgical in Del Mar, CA
NPI Status: Active since May 05, 2010
Contact Information
1431 CAMINO DEL MAR
DEL MAR, CA
ZIP 92014
Phone: (858) 450-1555
Fax: (858) 450-1527
- Individual
- Male
- Clinic/Center
- Ambulatory Surgical
About PAUL CHASAN
This page provides the complete NPI Profile along with additional information for Paul Chasan, a provider established in Del Mar, California with a medical specialization in Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1477871127 assigned on May 2010. The practitioner's primary taxonomy code is 261QA1903X with license number G68600 (CA). The provider is registered as an individual and his NPI record was last updated January 2026.
- NPI
- 1477871127
- Provider Name
- DR. PAUL E. CHASAN M.D. FACS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1431 CAMINO DEL MAR DEL MAR, CA 92014
- Location Phone
- (858) 450-1555
- Location Fax
- (858) 450-1527
- Mailing Address
- 1431 CAMINO DEL MAR DEL MAR, CA 92014
- Mailing Phone
- (858) 450-1555
- Mailing Fax
- (858) 450-1527
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-05-2010
- Last Update Date
- 01-06-2026
- 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
Clinic/Center Ambulatory Surgical
- Taxonomy Code
- 261QA1903X
- Type
- Ambulatory Health Care Facilities
- License No.
- G68600
- License State
- 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 1477871127, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1477871127, enumerated as an "individual" on May 05, 2010.
The provider is located at 1431 CAMINO DEL MAR DEL MAR, CA 92014 and the phone number is (858) 450-1555.
Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.
