CONNECTICUT GI PLLC
NPI 1023124625
Internal Medicine - Gastroenterology in Hartford, CT

NPI Status: Active since August 23, 2006

Contact Information

85 SEYMOUR ST
1000
HARTFORD, CT
ZIP 06106
Phone: (860) 246-2571
Fax: (860) 246-3691

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  • Organization
  • Internal Medicine
  • Gastroenterology

About CONNECTICUT GI PLLC

This page provides the complete NPI Profile along with additional information for Connecticut Gi Pllc, an internist established in Hartford, Connecticut operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1023124625 assigned on August 2006. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated one year ago. Connecticut Gi Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Jeffrey L Nestler Md (President)

NPI
1023124625
Provider Legal Name
CONNECTICUT GI PLLC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
85 SEYMOUR ST 1000 HARTFORD, CT 06106
Location Phone
(860) 246-2571
Location Fax
(860) 246-3691
Mailing Address
30 WATERCHASE DR ROCKY HILL, CT 06067
Mailing Phone
(860) 257-4131
Mailing Fax
(860) 246-3691
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-23-2006
Last Update Date
11-25-2025
Code Navigator

An internist like Connecticut Gi Pllc 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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1133V00000XDietary & Nutritional Service Providers

Dietitian, Registered

 
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 
3207ZP0102XAllopathic & Osteopathic Physicians

Pathology
Anatomic Pathology & Clinical Pathology

 
4363L00000XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner

(CT)
5363LF0000XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Family

(CT)

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.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

JEFFREY L NESTLER MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(860) 246-2571

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
P004137677MEDICAID (05)CT 

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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 1023124625, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 2 + 2 + 8 + 6 + 4 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1023124625.

Other Providers at the Same Location


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

Orthopaedic Surgery
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Obstetrics & Gynecology
85 SEYMOUR ST, SUITE 1019
HARTFORD, CT 06106
Orthopaedic Surgery
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Thoracic Surgery (Cardiothoracic Vascular Surgery)
85 SEYMOUR ST, SUITE 325
HARTFORD, CT 06106
Orthopaedic Surgery
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Orthopaedic Surgery
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Physician Assistant
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Physician Assistant
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Physician Assistant
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Orthopaedic Surgery
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Nurse Practitioner
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Orthopaedic Surgery
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Internal Medicine (Cardiovascular Disease)
85 SEYMOUR ST, STE. 821
HARTFORD, CT 06106
Internal Medicine (Cardiovascular Disease)
85 SEYMOUR ST, STE. 821
HARTFORD, CT 06106
Internal Medicine (Cardiovascular Disease)
85 SEYMOUR ST, STE. 821
HARTFORD, CT 06106
Physician Assistant
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Physician Assistant
85 SEYMOUR ST, STE. 821
HARTFORD, CT 06106
Physician Assistant
85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106
Surgery
85 SEYMOUR ST, SUITE 301
HARTFORD, CT 06106
Urology
85 SEYMOUR ST, SUITE 416
HARTFORD, CT 06106

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023124625, enumerated as an "organization" on August 23, 2006.

The provider is located at 85 SEYMOUR ST 1000 HARTFORD, CT 06106 and the phone number is (860) 246-2571.

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

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.