DOUGLAS C. RICHARDS MD
NPI 1194892091
Internal Medicine - Addiction Medicine in Fontana, CA
NPI Status: Active since November 29, 2006
Contact Information
9961 SIERRA AVE
FONTANA, CA
ZIP 92335
Phone: (909) 427-3910
- Individual
- Male
- Internal Medicine
- Addiction Medicine
About DOUGLAS RICHARDS
This page provides the complete NPI Profile along with additional information for Douglas Richards, an internist established in Fontana, California with a medical specialization in Internal Medicine, focusing in addiction medicine . The healthcare provider is registered in the NPI registry with number 1194892091 assigned on November 2006. The practitioner's primary taxonomy code is 207RA0401X with license number G69578 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1194892091
- Provider Name
- DOUGLAS C. RICHARDS MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 9961 SIERRA AVE FONTANA, CA 92335
- Location Phone
- (909) 427-3910
- Mailing Address
- 9961 SIERRA AVE FONTANA, CA 92335
- Mailing Phone
- (909) 427-3910
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-29-2006
- Last Update Date
- 09-23-2008
- Code Navigator
An internist like Douglas Richards is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Addiction Medicine
- Taxonomy Code
- 207RA0401X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G69578
- License State
- CA
- Taxonomy Description
- An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
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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 1194892091, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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 69 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.
FONTANA, CA 92335
FONTANA, CA 92335
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194892091, enumerated as an "individual" on November 29, 2006.
The provider is located at 9961 SIERRA AVE FONTANA, CA 92335 and the phone number is (909) 427-3910.
Internal Medicine with taxonomy code 207RA0401X and a focus in Addiction Medicine.
