ROBERT ALEXANDER HAMMER M.D.
NPI 1952335010
Internal Medicine - Gastroenterology in New Orleans, LA

NPI Status: Active since July 11, 2006

Contact Information

7432 SARDONYX ST
NEW ORLEANS, LA
ZIP 70124
Phone: (504) 343-1217
Fax: (504) 284-6810

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About ROBERT HAMMER

This page provides the complete NPI Profile along with additional information for Robert Hammer, an internist established in New Orleans, Louisiana with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1952335010 assigned on July 2006. The practitioner's primary taxonomy code is 207RG0100X with license number 07145R (LA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1952335010
Provider Name
ROBERT ALEXANDER HAMMER M.D.
Gender
Male
Entity Type
Individual
Location Address
7432 SARDONYX ST NEW ORLEANS, LA 70124
Location Phone
(504) 343-1217
Location Fax
(504) 284-6810
Mailing Address
7432 SARDONYX ST NEW ORLEANS, LA 70124
Mailing Phone
(504) 343-1217
Mailing Fax
(504) 284-6810
Is Sole Proprietor?
Yes
Enumeration Date
07-11-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Robert Hammer 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.

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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.
07145R
License State
LA
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 1952335010, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
Check
0
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 5 → 10 → 1 3 → 6 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 6 + 3 + 1 + 0 + 0 + 2 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1952335010.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952335010, enumerated as an "individual" on July 11, 2006.

The provider is located at 7432 SARDONYX ST NEW ORLEANS, LA 70124 and the phone number is (504) 343-1217.

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