RICHARD A. RISON, M.D., INC.
NPI 1982754305
Specialist in Whittier, CA
NPI Status: Active since January 10, 2007
Contact Information
12291 WASHINGTON BLVD
SUITE 303
WHITTIER, CA
ZIP 90606
Phone: (562) 698-6296
Fax: (562) 693-6752
- Organization
- Specialist
About RICHARD A. RISON, M.D., INC.
This page provides the complete NPI Profile along with additional information for Richard A. Rison, M.d., Inc., a provider established in Whittier, California operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1982754305 assigned on January 2007. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Mr. Richard A Rison M.d. (Owner)
- NPI
- 1982754305
- Provider Name
- RICHARD A. RISON, M.D., INC.
- Entity Type
- Organization
- Location Address
- 12291 WASHINGTON BLVD SUITE 303 WHITTIER, CA 90606
- Location Phone
- (562) 698-6296
- Location Fax
- (562) 693-6752
- Mailing Address
- 12291 WASHINGTON BLVD SUITE 303 WHITTIER, CA 90606
- Mailing Phone
- (562) 698-6296
- Mailing Fax
- (562) 693-6752
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 01-10-2007
- Last Update Date
- 11-28-2025
- 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
- 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 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1982754305, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
WHITTIER, CA 90606
WHITTIER, CA 90606
WHITTIER, CA 90606
WHITTIER, CA 90606
WHITTIER, CA 90606
WHITTIER, CA 90606
WHITTIER, CA 90606
WHITTIER, CA 90606
WHITTIER, CA 90606
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1982754305, enumerated as an "organization" on January 10, 2007.
The provider is located at 12291 WASHINGTON BLVD SUITE 303 WHITTIER, CA 90606 and the phone number is (562) 698-6296.
Specialist with taxonomy code 174400000X.
