GASTROENTEROLOGY ATLANTA, LLC
NPI 1891737532
Internal Medicine - Gastroenterology in Roswell, GA

NPI Status: Active since June 10, 2006

Contact Information

2006 MACY DR
ROSWELL, GA
ZIP 30076
Phone: (404) 257-0000

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • Accepts Insurance
  • CLIA Number: 11D1027048
  • CLIA Cert. Type: Other
  • CLIA Exp. Date: 06-21-2026

About GASTROENTEROLOGY ATLANTA, LLC

This page provides the complete NPI Profile along with additional information for Gastroenterology Atlanta, Llc, an internist established in Roswell, Georgia operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1891737532 assigned on June 2006. The practitioner's primary taxonomy code is 207RG0100X with license number 008698 (GA). The provider is registered as an organization and their NPI record was last updated 3 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 William D Lyday (Owner)

NPI
1891737532
Provider Name
GASTROENTEROLOGY ATLANTA, LLC
Entity Type
Organization
Location Address
2006 MACY DR ROSWELL, GA 30076
Location Phone
(404) 257-0000
Mailing Address
3025 BRECKINRIDGE BLVD DULUTH, GA 30096
Mailing Phone
(678) 226-0082
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-10-2006
Last Update Date
04-10-2023
Code Navigator

An internist like Gastroenterology Atlanta, Llc 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.
008698
License State
GA
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Standard Expanded Bronze - HMO
  • Standard Gold - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clarity Silver - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Enhanced Diabetes Care Silver with $0 Drug Options - HMO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Thrive Silver - HMO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Clear Silver with $0 Insulin Options - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Gold with Atrium Health - HMO
  • Complete Gold with Atrium Health + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Bronze with Atrium Health - HMO
  • Elite Bronze with Atrium Health + Vision + Adult Dental - HMO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options - HMO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Bronze with Atrium Health - HMO
  • Everyday Bronze with Atrium Health + Vision + Adult Dental - HMO
  • Focused Silver with Atrium Health - HMO
  • Focused Silver with Atrium Health + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze with Atrium Health - HMO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO

*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

WILLIAM D LYDAY

Authorized Official Title
OWNER
Authorized Official Phone
(770) 400-6041

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
11D1027048
Facility Type
Other
Certificate Effective Date
June 22, 2024
Certificate Expiration Date
June 21, 2026
Laboratory Director
D BRAD LORD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Gastroenterology Atlanta, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1891737532, 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
3
Doubled → 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 9 → 18 → 9 7 → 14 → 5 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 3 + 1 + 4 + 5 + 6 + 24 = 68

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.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1891737532.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
2006 MACY DR
ROSWELL, GA 30076
Clinic/Center (Multi-Specialty)
2006 MACY DR
ROSWELL, GA 30076

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891737532, enumerated as an "organization" on June 10, 2006.

The provider is located at 2006 MACY DR ROSWELL, GA 30076 and the phone number is (404) 257-0000.

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

The provider might be accepting Accepts: Ambetter from Absolute Total Care, Ambetter. Please consult your insurance carrier or call the provider to verify.