ADVANCED GASTROENTEROLOGY AND ENDOSCOPY, P.C.
NPI 1831324532
Internal Medicine - Gastroenterology in Port Jefferson, NY
NPI Status: Active since May 26, 2009
Contact Information
70 N COUNTRY RD
SUITE 201
PORT JEFFERSON, NY
ZIP 11777
Phone: (631) 479-3744
Fax: (561) 282-3238
- Organization
- Internal Medicine
- Gastroenterology
- CLIA Number: 33D2058269
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 12-10-2026
About ADVANCED GASTROENTEROLOGY AND ENDOSCOPY, P.C.
This page provides the complete NPI Profile along with additional information for Advanced Gastroenterology And Endoscopy, P.c., an internist established in Port Jefferson, New York operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1831324532 assigned on May 2009. The practitioner's primary taxonomy code is 207RG0100X with license number 185973 (NY). The provider is registered as an organization and their NPI record was last updated February 2026. Advanced Gastroenterology And Endoscopy, P.c. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Ali S Karakurum M.d. (Sole Proprietor)
- NPI
- 1831324532
- Provider Name
- ADVANCED GASTROENTEROLOGY AND ENDOSCOPY, P.C.
- Entity Type
- Organization
- Location Address
- 70 N COUNTRY RD SUITE 201 PORT JEFFERSON, NY 11777
- Location Phone
- (631) 479-3744
- Location Fax
- (561) 282-3238
- Mailing Address
- 70 N COUNTRY RD SUITE 201 PORT JEFFERSON, NY 11777
- Mailing Phone
- (631) 479-3744
- Mailing Fax
- (561) 282-3238
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-26-2009
- Last Update Date
- 02-18-2026
- Code Navigator
An internist like Advanced Gastroenterology And Endoscopy, 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
- License No.
- 185973
- 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 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 4V3762 | OTHER (01) | NY | EMPIRE BC/BS |
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
- 33D2058269
- Facility Type
- Physician Office
- Certificate Effective Date
- December 11, 2024
- Certificate Expiration Date
- December 10, 2026
- Laboratory Director
- DR. ZVIKA J. SCHREIBER
- Certificate Type
- Certificate of Compliance
- Certificate Type Description
- This CLIA certificate is issued to Advanced Gastroenterology And Endoscopy, P.c. 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 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 1831324532, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1831324532, enumerated as an "organization" on May 26, 2009.
The provider is located at 70 N COUNTRY RD SUITE 201 PORT JEFFERSON, NY 11777 and the phone number is (631) 479-3744.
Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.
The provider might be accepting Accepts: Blue Cross Blue Shield, Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
