CHRISTOPHER CHEN, M.D., INC.
NPI 1851476832
Specialist in Pleasanton, CA
NPI Status: Active since October 26, 2006
Contact Information
1393 SANTA RITA RD STE E
PLEASANTON, CA
ZIP 94566
Phone: (925) 461-2840
Fax: (800) 940-9545
- Organization
- Specialist
- CLIA Number: 05D1089832
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 09-25-2026
About CHRISTOPHER CHEN, M.D., INC.
This page provides the complete NPI Profile along with additional information for Christopher Chen, M.d., Inc., a provider established in Pleasanton, California operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1851476832 assigned on October 2006. The practitioner's primary taxonomy code is 174400000X with license number G063956 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. Christopher Chen, M.d., Inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Chris Chen M.d. (Physician/owner)
- NPI
- 1851476832
- Provider Name
- CHRISTOPHER CHEN, M.D., INC.
- Entity Type
- Organization
- Location Address
- 1393 SANTA RITA RD STE E PLEASANTON, CA 94566
- Location Phone
- (925) 461-2840
- Location Fax
- (800) 940-9545
- Mailing Address
- PO BOX 122 PLEASANTON, CA 94566
- Mailing Phone
- (925) 461-2840
- Mailing Fax
- (800) 940-9545
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 10-26-2006
- Last Update Date
- 05-19-2025
- 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
Specialist
- Taxonomy Code
- 174400000X
- Type
- Other Service Providers
- License No.
- G063956
- License State
- CA
- Taxonomy Description
- An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 05D1089832
- Facility Type
- Physician Office
- Certificate Effective Date
- September 26, 2024
- Certificate Expiration Date
- September 25, 2026
- Laboratory Director
- CHRIS CHEN
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Christopher Chen, M.d., Inc. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
Reviews for CHRISTOPHER CHEN, M.D., INC.
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 1851476832, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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 68 is 70. 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1851476832, enumerated as an "organization" on October 26, 2006.
The provider is located at 1393 SANTA RITA RD STE E PLEASANTON, CA 94566 and the phone number is (925) 461-2840.
Specialist with taxonomy code 174400000X.
