PETER W. CROOKS MD
NPI 1215085105
Internal Medicine - Nephrology in Los Angeles, CA
NPI Status: Active since January 08, 2007
Contact Information
4760 W SUNSET BLVD
LOS ANGELES, CA
ZIP 90027
Phone: (323) 783-4011
- Individual
- Male
- Internal Medicine
- Nephrology
About PETER CROOKS
This page provides the complete NPI Profile along with additional information for Peter Crooks, an internist established in Los Angeles, California with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1215085105 assigned on January 2007. The practitioner's primary taxonomy code is 207RN0300X with license number G40421 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1215085105
- Provider Name
- PETER W. CROOKS MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4760 W SUNSET BLVD LOS ANGELES, CA 90027
- Location Phone
- (323) 783-4011
- Mailing Address
- 4760 W SUNSET BLVD LOS ANGELES, CA 90027
- Mailing Phone
- (323) 783-4011
- Is Sole Proprietor?
- No
- Enumeration Date
- 01-08-2007
- Last Update Date
- 09-23-2008
- Code Navigator
An internist like Peter Crooks 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 Nephrology
- Taxonomy Code
- 207RN0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G40421
- License State
- CA
- Taxonomy Description
- An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
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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 1215085105, 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 45. The final step is to find the difference between that total and the next multiple of ten (50 - 45 = 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 45 is 50. 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.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1215085105, enumerated as an "individual" on January 08, 2007.
The provider is located at 4760 W SUNSET BLVD LOS ANGELES, CA 90027 and the phone number is (323) 783-4011.
Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.
