Katherine Sykes Martin
Radiation Oncology Physician · Atlanta, GA
Katherine Sykes Martin is a radiation oncology physician with a practice address in Atlanta, Georgia, and NPI 1104453083, issued on Mar 23, 2020. Check the license (Georgia 103316, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katherine Sykes Martin
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 103316 GA
Self-reported in NPPES; status is on the state search - Practice location
- 5665 Peachtree Dunwoody RD, Atlanta, GA 30342
- Phone
- (678) 773-3457
- Enumerated
- Mar 23, 2020
- Record last updated
- Feb 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20250404001648); accepts Medicare assignment
- Medical or professional school
- Mercer University School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 180 in Georgia → Look up another NPI →
Also registered at 5665 Peachtree Dunwoody RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tatiana Abebe, CAAAnesthesiologist Assistant1982441291
- Omolara AdamsonFamily Nurse Practitioner1568935492
- Dina Adimora-OnwukaHospitalist Physician1568780252
- Sanem Agrell, RNRegistered Nurse1366243487
- Reem Ahmed, M.DHospitalist Physician1326326489
- Jeannie Aldridge, CAAAnesthesiologist Assistant1144872789
Verify Katherine Sykes Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 103316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Georgia Protoncare Center Inc.Atlanta, GA
- The Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Sykes Martin among 180 radiation oncology physician records in Georgia
Katherine Sykes Martin is one of 180 radiation oncology physician records with a practice address in Georgia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2018 · median 2004 among the 142 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Georgia
There are 180 radiation oncology physician records in Georgia.
All 180 in Georgia → Every provider in Atlanta → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Tina Dasgupta, M.D., PH.D.Atlanta, GA 303421356500656
- Philip Duncan, M.D.Atlanta, GA 303421477503449
- David Elkon, MDAtlanta, GA 303421306828389
- Stephen Golder, M.D.Atlanta, GA 303421154434264
- Ajaykumar PatelAtlanta, GA 303421184982639
- Frederick Schnell, M.D.Atlanta, GA 303421487638607
- Sarah SinghAtlanta, GA 303421881125391
- Nancy Wiggers, MDAtlanta, GA 303421548215775
Common questions
What is Katherine Sykes Martin's NPI number?
Katherine Sykes Martin's National Provider Identifier (NPI) is 1104453083, issued on Mar 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Sykes Martin located?
The NPPES record lists a practice address at 5665 Peachtree Dunwoody RD, Atlanta, GA, 30342. Phone: (678) 773-3457. Providers update this record themselves, so call before visiting.
How can I verify Katherine Sykes Martin's license?
NPPES lists Georgia license number 103316, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.