SOUTH ISLAND GASTROENTEROLOGY ASSOCIATES PC
NPI 1043628282
Internal Medicine - Gastroenterology in Lawrence, NY

NPI Status: Active since July 31, 2014

Contact Information

141 WASHINGTON AVE
LAWRENCE, NY
ZIP 11559
Phone: (516) 650-4604
Fax: (800) 557-3140

Get Directions Write a Review

  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 33D2097660
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 04-11-2028

About SOUTH ISLAND GASTROENTEROLOGY ASSOCIATES PC

This page provides the complete NPI Profile along with additional information for South Island Gastroenterology Associates Pc, an internist established in Lawrence, New York operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1043628282 assigned on July 2014. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 12 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. Steven L Kadish Md (Physician / Owner - Incorporator)

NPI
1043628282
Provider Name
SOUTH ISLAND GASTROENTEROLOGY ASSOCIATES PC
Entity Type
Organization
Location Address
141 WASHINGTON AVE LAWRENCE, NY 11559
Location Phone
(516) 650-4604
Location Fax
(800) 557-3140
Mailing Address
743 BRYANT ST WOODMERE, NY 11598
Mailing Phone
(516) 650-4604
Mailing Fax
(800) 557-3140
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-31-2014
Last Update Date
07-31-2014
Code Navigator

An internist like South Island Gastroenterology Associates Pc 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. STEVEN L KADISH MD

Authorized Official Title
PHYSICIAN / OWNER - INCORPORATOR
Authorized Official Phone
(516) 984-6472

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
33D2097660
Facility Type
Physician Office
Certificate Effective Date
April 12, 2026
Certificate Expiration Date
April 11, 2028
Laboratory Director
DR. JIANHONG ZHOU
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to South Island Gastroenterology Associates Pc after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

Reviews for SOUTH ISLAND GASTROENTEROLOGY ASSOCIATES PC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1043628282, 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
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
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 4 → 8 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 + 0 + 8 + 3 + 1 + 2 + 2 + 1 + 6 + 2 + 1 + 6 + 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 1043628282.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Counselor (Mental Health)
141 WASHINGTON AVE, C/O DR. ROTHBORT (SUITE 200)
LAWRENCE, NY 11559
Psychologist (Clinical)
141 WASHINGTON AVE, SUITE 200
LAWRENCE, NY 11559
Internal Medicine (Endocrinology, Diabetes & Metabolism)
141 WASHINGTON AVE
LAWRENCE, NY 11559
Counselor (Mental Health)
141 WASHINGTON AVE, STE 200
LAWRENCE, NY 11559
Internal Medicine (Gastroenterology)
141 WASHINGTON AVE, SUITE 204
LAWRENCE, NY 11559
Psychologist (Clinical)
141 WASHINGTON AVE, #200
LAWRENCE, NY 11559

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043628282, enumerated as an "organization" on July 31, 2014.

The provider is located at 141 WASHINGTON AVE LAWRENCE, NY 11559 and the phone number is (516) 650-4604.

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