NICHOLAS DAVID GATTO NP
NPI 1689501322
Internal Medicine - Geriatric Medicine in Nags Head, NC

NPI Status: Active since May 06, 2026

Contact Information

430 W HEALTH CENTER DR
NAGS HEAD, NC
ZIP 27959
Phone: (252) 441-3116

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Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Internal Medicine
Geriatric Medicine

About NICHOLAS GATTO

This page provides the complete NPI Profile along with additional information for Nicholas Gatto, an internist established in Nags Head, North Carolina with a medical specialization in Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1689501322 assigned on May 2026. The practitioner's primary taxonomy code is 207RG0300X with license number SP035712 (PA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI: 1689501322
Provider Name: NICHOLAS DAVID GATTO NP
Gender: Male
Entity Type: Individual
Location Address: 430 W HEALTH CENTER DR NAGS HEAD, NC 27959
Location Phone: (252) 441-3116
Mailing Address: 130 CHURCH AVE SW ROANOKE, VA 24011
Mailing Phone: (540) 769-3964
Is Sole Proprietor?: No
Enumeration Date: 05-06-2026
Last Update Date: 05-06-2026
Code Navigator

An internist like Nicholas Gatto 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 Geriatric Medicine
Taxonomy Code: 207RG0300X
Type: Allopathic & Osteopathic Physicians
License No.: SP035712
License State: PA
Taxonomy Description: An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

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 1689501322, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 5 → 10 → 1 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 0 + 0 + 2 + 3 + 4 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2

This NPI is valid

The calculated check digit is 2, which matches the last digit of 1689501322.