DR. MARK FRANCIS GUERGAWI M.D.
NPI 1336256734
Anesthesiology - Critical Care Medicine in Atlanta, GA
About Dr. Mark Francis Guergawi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK FRANCIS GUERGAWI M.D. (NPI 1336256734) is an individual critical care medicine provider in Atlanta, Georgia, licensed in Georgia (42770) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Shands Jacksonville, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark Francis Guergawi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Mark Guergawi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30322
- Reassigned Medicare billing, Georgia enrollment
- 4,840 clinicians in this Medicare group
Jacksonville, FL 32209
- Reassigned Medicare billing, Florida enrollment
- 1,456 clinicians in this Medicare group
Maitland, FL 32751
- Reassigned Medicare billing, Florida enrollment
- 2,356 clinicians in this Medicare group
Tampa, FL 33613
- Reassigned Medicare billing, Florida enrollment
- 1,719 clinicians in this Medicare group
Bradenton, FL 34209
- Reassigned Medicare billing, Florida enrollment
- 792 clinicians in this Medicare group
Leesburg, VA 20176
- Reassigned Medicare billing, Virginia enrollment
- 1,217 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 8
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Shands Jacksonville
Acute Care Hospitals · Jacksonville, FLAdventhealth Ocala
Acute Care Hospitals · Ocala, FLFlorida Hospital Flagler
Acute Care Hospitals · Palm Coast, FLHca Florida Memorial Hospital
Acute Care Hospitals · Jacksonville, FLAdventhealth Palm Coast Parkway
Acute Care Hospitals · Palm Coast, FLMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATLANTA, GA 30322
ATLANTA, GA 30322
ATLANTA, GA 30322
ATLANTA, GA 30322
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 Mark Guergawi's NPI number?
The NPI number for Mark Guergawi is 1336256734. It was assigned to this individual provider in the NPPES registry on August 23, 2006.
Where is Mark Guergawi located?
Mark Guergawi practices at 1364 Clifton Rd NE, Atlanta, GA 30322. The listed phone number is (404) 778-4889.
What is Mark Guergawi's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Mark Guergawi enrolled in Medicare?
Yes. Mark Guergawi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Guergawi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Guergawi reassigns Medicare benefits to 6 organizations: The Emory Clinic Inc (Atlanta, GA), University Of Florida Jacksonville Physicians Inc (Jacksonville, FL), Us Anesthesia Partners Of Florida Inc. (Maitland, FL), Florida Hospital Physician Group Inc (Tampa, FL), Sunshine State Anesthesia Partners LLC (Bradenton, FL) and 1 more organization, listed in the Medicare section above. 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 Mark Guergawi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Guergawi accept?
Health plans from Oscar Health and Oscar Insurance Company list Mark Guergawi 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.
Is Mark Guergawi affiliated with any hospitals?
According to CMS data, Mark Guergawi is affiliated with Shands Jacksonville, Adventhealth Ocala, Florida Hospital Flagler, Hca Florida Memorial Hospital and Adventhealth Palm Coast Parkway.
When was this NPI record last updated?
The NPPES record for Mark Guergawi was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.