GEORGE ALAN GELLERT MD
NPI 1114699485
Preventive Medicine - Public Health & General Preventive Medicine in San Antonio, TX

NPI Status: Active since October 04, 2021

Contact Information

703 SENTRY HL
SAN ANTONIO, TX
ZIP 78260
Phone: (210) 382-1664

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  • Individual
  • Male
  • Preventive Medicine
  • Public Health & General Preventive Medic...

About GEORGE GELLERT

This page provides the complete NPI Profile along with additional information for George Gellert, a provider established in San Antonio, Texas with a medical specialization in Preventive Medicine, focusing in public health & general preventive medicine . The healthcare provider is registered in the NPI registry with number 1114699485 assigned on October 2021. The practitioner's primary taxonomy code is 2083P0901X with license number 061251 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1114699485
Provider Name
GEORGE ALAN GELLERT MD
Gender
Male
Entity Type
Individual
Location Address
703 SENTRY HL SAN ANTONIO, TX 78260
Location Phone
(210) 382-1664
Mailing Address
703 SENTRY HL SAN ANTONIO, TX 78260
Mailing Phone
(210) 382-1664
Is Sole Proprietor?
No
Enumeration Date
10-04-2021
Last Update Date
10-04-2021
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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

Preventive Medicine Public Health & General Preventive Medicine

Taxonomy Code
2083P0901X
Type
Allopathic & Osteopathic Physicians
License No.
061251
License State
CA
Taxonomy Description
Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

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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 1114699485, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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
1
Doubled → 2
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
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 1 → 2 6 → 12 → 3 9 → 18 → 9 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 + 2 + 4 + 1 + 2 + 9 + 1 + 8 + 4 + 1 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1114699485.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1114699485, enumerated as an "individual" on October 04, 2021.

The provider is located at 703 SENTRY HL SAN ANTONIO, TX 78260 and the phone number is (210) 382-1664.

Preventive Medicine with taxonomy code 2083P0901X and a focus in Public Health & General Preventive Medicine.