Y J LEE GASTROENTEROLOGY, PC
NPI 1639268436
Specialist in Duluth, GA
About Y J Lee Gastroenterology, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
Y J LEE GASTROENTEROLOGY, PC (NPI 1639268436) is a healthcare organization registered as a specialist in Duluth, Georgia and active in the NPI registry since October 2006. The organization holds a CLIA Certificate of Compliance certificate valid through February 3, 2027 and lists Yoon Jae Lee, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Y J Lee Gastroenterology, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Y J Lee Gastroenterology, PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 11D2317952
Y J Lee Gastroenterology PC · Duluth, GAFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Y J Lee Gastroenterology, PC's NPI number?
The NPI number for Y J Lee Gastroenterology, PC is 1639268436. It was assigned to this organization in the NPPES registry on October 12, 2006.
Where is Y J Lee Gastroenterology, PC located?
Y J Lee Gastroenterology, PC is located at 3855 Pleasant Hill Rd Suite 260, Duluth, GA 30096. The listed phone number is (678) 473-1445.
What is Y J Lee Gastroenterology, PC's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Y J Lee Gastroenterology, PC enrolled in Medicare?
Yes. Y J Lee Gastroenterology, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Y J Lee Gastroenterology, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Y J Lee Gastroenterology, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Y J Lee Gastroenterology, PC hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 11D2317952) is associated with this NPI, valid through February 3, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Y J Lee Gastroenterology, PC accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Y J Lee Gastroenterology, PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Y J Lee Gastroenterology, PC was last updated on November 6, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Y J Lee Gastroenterology, Pc · NPI 1639268436
Specialist organization in Duluth, Georgia. Organization record, active in the CMS NPPES registry since October 12, 2006.
## Identity
- **NPI:** 1639268436 (Entity type: Organization)
- **Enumerated:** October 12, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Yoon Jae Lee, PRESIDENT
## Practice location
- **Address:** 3855 PLEASANT HILL RD, SUITE 260, Duluth, GA 30096-1407
- **Phone:** (678) 473-1445
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Gastroenterology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 6, 2007
- **Other identifiers:** Medicare PIN GRP7858 (GA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1639268436) · Data from the CMS NPPES public registry.