GEORGE JOHN MONTANIO DO
NPI 1508659137
Internal Medicine in Hammond, LA

NPI Status: Active since May 27, 2025

Contact Information

15790 PAUL VEGA DR
HAMMOND, LA
ZIP 70403
Phone: (985) 345-2700

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  • Individual
  • Male
  • Internal Medicine

About GEORGE MONTANIO

This page provides the complete NPI Profile along with additional information for George Montanio, an internist established in Hammond, Louisiana with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1508659137 assigned on May 2025. The practitioner's primary taxonomy code is 207R00000X with license number 346775 (LA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1508659137
Provider Name
GEORGE JOHN MONTANIO DO
Gender
Male
Entity Type
Individual
Location Address
15790 PAUL VEGA DR HAMMOND, LA 70403
Location Phone
(985) 345-2700
Mailing Address
214 PLANTATION RIDGE LN BATON ROUGE, LA 70810
Is Sole Proprietor?
Yes
Enumeration Date
05-27-2025
Last Update Date
05-27-2025
Code Navigator

An internist like George Montanio 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
346775
License State
LA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive 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 1508659137, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
7
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 0 → 0 6 → 12 → 3 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 2 + 5 + 1 + 8 + 1 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1508659137.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Anesthesiology
15790 PAUL VEGA DR
HAMMOND, LA 70403
Nurse Practitioner (Acute Care)
15790 PAUL VEGA DR
HAMMOND, LA 70403
Dietitian, Registered
15790 PAUL VEGA DR
HAMMOND, LA 70403
Emergency Medicine
15790 PAUL VEGA DR
HAMMOND, LA 70403
Radiology (Vascular & Interventional Radiology)
15790 PAUL VEGA DR
HAMMOND, LA 70403
Nurse Practitioner (Gerontology)
15790 PAUL VEGA DR
HAMMOND, LA 70403
Nurse Practitioner (Family)
15790 PAUL VEGA DR
HAMMOND, LA 70403
Nurse Anesthetist, Certified Registered
15790 PAUL VEGA DR
HAMMOND, LA 70403
Nurse Anesthetist, Certified Registered
15790 PAUL VEGA DR
HAMMOND, LA 70403
Nurse Anesthetist, Certified Registered
15790 PAUL VEGA DR
HAMMOND, LA 70403
Hospitalist
15790 PAUL VEGA DR
HAMMOND, LA 70403
Social Worker (Clinical)
15790 PAUL VEGA DR
HAMMOND, LA 70403
Student in an Organized Health Care Education/Training Program
15790 PAUL VEGA DR
HAMMOND, LA 70403

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508659137, enumerated as an "individual" on May 27, 2025.

The provider is located at 15790 PAUL VEGA DR HAMMOND, LA 70403 and the phone number is (985) 345-2700.

Internal Medicine with taxonomy code 207R00000X.