LIGHTHOUSE ENDOSCOPY, PC
NPI 1437501541
Internal Medicine - Gastroenterology in Commack, NY

NPI Status: Active since July 13, 2016

Contact Information

1092 JERICHO TPKE
2S
COMMACK, NY
ZIP 11725
Phone: (631) 543-8660
Fax: (800) 557-3140

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 33D2092998
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-26-2027

About LIGHTHOUSE ENDOSCOPY, PC

This page provides the complete NPI Profile along with additional information for Lighthouse Endoscopy, Pc, an internist established in Commack, New York operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1437501541 assigned on July 2016. The practitioner's primary taxonomy code is 207RG0100X with license number 153441 (NY). The provider is registered as an organization and their NPI record was last updated one year 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. Richard Feldstein M.d. (Physician/owner)

NPI
1437501541
Provider Name
LIGHTHOUSE ENDOSCOPY, PC
Entity Type
Organization
Location Address
1092 JERICHO TPKE 2S COMMACK, NY 11725
Location Phone
(631) 543-8660
Location Fax
(800) 557-3140
Mailing Address
1092 JERICHO TPKE 2S COMMACK, NY 11725
Mailing Phone
(631) 543-8660
Mailing Fax
(800) 557-3140
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-13-2016
Last Update Date
08-21-2025
Code Navigator

An internist like Lighthouse Endoscopy, 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
License No.
153441
License State
NY
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. RICHARD FELDSTEIN M.D.

Authorized Official Title
PHYSICIAN/OWNER
Authorized Official Phone
(631) 543-8660

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
33D2092998
Facility Type
Physician Office
Certificate Effective Date
June 10, 2019
Certificate Expiration Date
March 26, 2027
Laboratory Director
DR. GANG HE
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Lighthouse Endoscopy, 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.

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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 1437501541, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
Check
1
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 3 → 6 5 → 10 → 1 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 1 + 0 + 0 + 2 + 5 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1437501541.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Orthopaedic Surgery
1092 JERICHO TPKE
COMMACK, NY 11725

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437501541, enumerated as an "organization" on July 13, 2016.

The provider is located at 1092 JERICHO TPKE 2S COMMACK, NY 11725 and the phone number is (631) 543-8660.

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