DR. GRETCHEN DIAZ-LOPEZ M.D.
NPI 1447304316
Family Medicine in Dalton, GA
About Dr. Gretchen Diaz-lopez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRETCHEN DIAZ-LOPEZ M.D. (NPI 1447304316) is an individual family medicine provider in Dalton, Georgia, licensed in Georgia (052918) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gretchen Diaz-lopez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Gretchen Diaz-lopez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dalton, GA 30721
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Biotech Labs LLC
- 2 clinicians in this Medicare group
Calhoun, GA 30701
- Reassigned Medicare billing, Georgia enrollment
- 384 clinicians in this Medicare group
Atlanta, GA 30303
- Reassigned Medicare billing, Georgia enrollment
- 2,681 clinicians in this Medicare group
Lagrange, GA 30240
- Reassigned Medicare billing, Georgia enrollment
- 1,506 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30721 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently 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 Gretchen Diaz-lopez's NPI number?
The NPI number for Gretchen Diaz-lopez is 1447304316. It was assigned to this individual provider in the NPPES registry on January 22, 2007.
Where is Gretchen Diaz-lopez located?
Gretchen Diaz-lopez practices at 2709 Airport Rd Suite 101, Dalton, GA 30721. The listed phone number is (706) 275-4444.
What is Gretchen Diaz-lopez's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gretchen Diaz-lopez enrolled in Medicare?
Yes. Gretchen Diaz-lopez is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gretchen Diaz-lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Diaz-lopez reassigns Medicare benefits to 4 organizations: Biotech Lab LLC (Dalton, GA), Adventist Health System Georgia Inc (Calhoun, GA), Emory Medical Care Foundation Inc (Atlanta, GA) and Emory Specialty Associates, LLC (Lagrange, GA). Each 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 Gretchen Diaz-lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gretchen Diaz-lopez was last updated on January 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.