DR. A. MARVIN BROOKS MD
NPI 1770694226
Internal Medicine - Gastroenterology in Truckee, CA

NPI Status: Active since August 31, 2006

Contact Information

11880 BENNETT FLAT RD
TRUCKEE, CA
ZIP 96161
Phone: (775) 328-1747

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About A. BROOKS

This page provides the complete NPI Profile along with additional information for A. Brooks, an internist established in Truckee, California with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1770694226 assigned on August 2006. The practitioner's primary taxonomy code is 207RG0100X with license number G10453 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1770694226
Provider Name
DR. A. MARVIN BROOKS MD
Gender
Male
Entity Type
Individual
Location Address
11880 BENNETT FLAT RD TRUCKEE, CA 96161
Location Phone
(775) 328-1747
Mailing Address
11880 BENNETT FLAT RD TRUCKEE, CA 96161
Mailing Phone
(775) 328-1747
Is Sole Proprietor?
Yes
Enumeration Date
08-31-2006
Last Update Date
07-08-2007
Code Navigator

An internist like A. Brooks 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
G10453
License State
CA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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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 1770694226, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
Check
6
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 7 → 14 → 5 6 → 12 → 3 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 1 + 4 + 0 + 1 + 2 + 9 + 8 + 2 + 4 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1770694226.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770694226, enumerated as an "individual" on August 31, 2006.

The provider is located at 11880 BENNETT FLAT RD TRUCKEE, CA 96161 and the phone number is (775) 328-1747.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.