KATHERINE SYKES MARTIN
NPI 1104453083
Radiology - Radiation Oncology in Atlanta, GA
About Katherine Sykes Martin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE SYKES MARTIN (NPI 1104453083) is an individual radiation oncology provider in Atlanta, Georgia, licensed in Georgia (103316) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Emory University Hospital, and maintains a secondary practice location in Atlanta.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
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
Katherine Sykes Martin 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
3Medicare enrollment records show Katherine Martin reassigns Medicare billing to 3 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
Atlanta, GA 30308
- Reassigned Medicare billing, Georgia enrollment
- 44 clinicians in this Medicare group
Atlanta, GA 30303
- Reassigned Medicare billing, Georgia enrollment
- 2,681 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emory University Hospital
Acute Care Hospitals · Atlanta, GAEmory University Hospital Midtown
Acute Care Hospitals · Atlanta, GASaint Joseph's Hospital Of Atlanta, Inc
Acute Care Hospitals · Atlanta, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30342 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATLANTA, GA 30342
SANDY SPRINGS, GA 30342
ATLANTA, GA 30342
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 Katherine Martin's NPI number?
The NPI number for Katherine Martin is 1104453083. It was assigned to this individual provider in the NPPES registry on March 23, 2020. The provider is also known as Katherine Deware Sykes.
Where is Katherine Martin located?
Katherine Martin practices at 5665 Peachtree Dunwoody Rd, Atlanta, GA 30342. The listed phone number is (678) 773-3457.
What is Katherine Martin's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Katherine Martin enrolled in Medicare?
Yes. Katherine Martin 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 Katherine Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Martin reassigns Medicare benefits to 3 organizations: The Emory Clinic Inc (Atlanta, GA), Georgia Protoncare Center, Inc. (Atlanta, GA) and Emory Medical Care Foundation Inc (Atlanta, 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 Katherine Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Martin accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Katherine Martin 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 Katherine Martin affiliated with any hospitals?
According to CMS data, Katherine Martin is affiliated with Emory University Hospital, Emory University Hospital Midtown and Saint Joseph's Hospital Of Atlanta, Inc.
When was this NPI record last updated?
The NPPES record for Katherine Martin was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Katherine Sykes Martin · NPI 1104453083
Radiation Oncology physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since March 23, 2020.
## Identity
- **NPI:** 1104453083 (Entity type: Individual)
- **Enumerated:** March 23, 2020
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 103316 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 5665 PEACHTREE DUNWOODY RD, Atlanta, GA 30342-1764
- **Phone:** (678) 773-3457
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): The Emory Clinic Inc (NPI 1396798229, Atlanta, GA); Georgia Protoncare Center, Inc. (NPI 1083107999, Atlanta, GA); Emory Medical Care Foundation Inc (NPI 1063452381, Atlanta, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Mercer University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** February 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1104453083) · Data from the CMS NPPES public registry.