ROBERT J LIEBIG MD
NPI 1184608085
Radiology - Diagnostic Radiology in Pleasant Hill, CA

NPI Status: Active since December 05, 2005

Contact Information

602 GREGORY LN
PLEASANT HILL, CA
ZIP 94523
Phone: (925) 685-1047

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About ROBERT LIEBIG

This page provides the complete NPI Profile along with additional information for Robert Liebig, a provider established in Pleasant Hill, California with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1184608085 assigned on December 2005. The practitioner's primary taxonomy code is 2085R0202X with license number G52684 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1184608085
Provider Name
ROBERT J LIEBIG MD
Gender
Male
Entity Type
Individual
Location Address
602 GREGORY LN PLEASANT HILL, CA 94523
Location Phone
(925) 685-1047
Mailing Address
602 GREGORY LN PLEASANT HILL, CA 94523
Mailing Phone
(925) 685-1047
Is Sole Proprietor?
No
Enumeration Date
12-05-2005
Last Update Date
08-19-2008
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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

Radiology Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
G52684
License State
CA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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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 1184608085, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
5
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 8 → 16 → 7 6 → 12 → 3 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 6 + 4 + 1 + 2 + 0 + 1 + 6 + 0 + 1 + 6 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1184608085.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184608085, enumerated as an "individual" on December 05, 2005.

The provider is located at 602 GREGORY LN PLEASANT HILL, CA 94523 and the phone number is (925) 685-1047.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.