NASSAU GASTROENTEROLOGY OFFICE BASED SURGERY, P.C.
NPI 1497998637
Internal Medicine - Gastroenterology in Great Neck, NY

NPI Status: Active since April 17, 2009

Contact Information

1000 NORTHERN BLVD
SUITE 140
GREAT NECK, NY
ZIP 11021
Phone: (516) 466-2340
Fax: (516) 829-6421

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  • Organization
  • Internal Medicine
  • Gastroenterology

About NASSAU GASTROENTEROLOGY OFFICE BASED SURGERY, P.C.

This page provides the complete NPI Profile along with additional information for Nassau Gastroenterology Office Based Surgery, P.c., an internist established in Great Neck, New York operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1497998637 assigned on April 2009. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 17 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Seymour Katz M.d. (Owner)

NPI
1497998637
Provider Name
NASSAU GASTROENTEROLOGY OFFICE BASED SURGERY, P.C.
Entity Type
Organization
Location Address
1000 NORTHERN BLVD SUITE 140 GREAT NECK, NY 11021
Location Phone
(516) 466-2340
Location Fax
(516) 829-6421
Mailing Address
1000 NORTHERN BLVD SUITE 140 GREAT NECK, NY 11021
Mailing Phone
(516) 466-2340
Mailing Fax
(516) 829-6421
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-17-2009
Last Update Date
04-17-2009
Code Navigator

An internist like Nassau Gastroenterology Office Based Surgery, P.c. 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. SEYMOUR KATZ M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(516) 829-6421

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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 1497998637, 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 83. The final step is to find the difference between that total and the next multiple of ten (90 - 83 = 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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
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 9 → 18 → 9 9 → 18 → 9 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 8 + 9 + 1 + 6 + 6 + 6 + 24 = 83

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

The next multiple of ten after 83 is 90. The difference is the calculated check digit.

90 - 83 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1497998637.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

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Internal Medicine (Cardiovascular Disease)
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Internal Medicine (Cardiovascular Disease)
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Internal Medicine
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Audiologist
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Internal Medicine
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Internal Medicine
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Internal Medicine (Geriatric Medicine)
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Ophthalmology
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Specialist
1000 NORTHERN BLVD, SUITE 270
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Dentist (Oral and Maxillofacial Surgery)
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Physical Medicine & Rehabilitation
1000 NORTHERN BLVD
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Pediatrics
1000 NORTHERN BLVD, SUITE 240
GREAT NECK, NY 11021
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1000 NORTHERN BLVD, SUITE 240
GREAT NECK, NY 11021
Internal Medicine (Sleep Medicine)
1000 NORTHERN BLVD, SUITE 230
GREAT NECK, NY 11021
Specialist
1000 NORTHERN BLVD, SUITE 120
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Internal Medicine
1000 NORTHERN BLVD, SUITE 175
GREAT NECK, NY 11021
Internal Medicine (Cardiovascular Disease)
1000 NORTHERN BLVD, SUITE 120
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497998637, enumerated as an "organization" on April 17, 2009.

The provider is located at 1000 NORTHERN BLVD SUITE 140 GREAT NECK, NY 11021 and the phone number is (516) 466-2340.

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