Quick answers
- Does Nikhil Sebastian accept Medicare assignment?
- Yes. Medicare's clinician data says Nikhil Sebastian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Nikhil Sebastian see?
- In 2024, CMS data shows 267 Original Medicare patients and 2,810 services for Nikhil Sebastian. This counts Original Medicare only and measures volume, not quality.
- What is Nikhil Sebastian's NPI number?
- 1306231477. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Nikhil Sebastian, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 267 |
|---|---|
| Services billed to Medicare | 2,810 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)632 services
- Intermediate proton beam radiation treatment (77523)537 services
- Calculation of radiation therapy dose (77300)183 services
- Radiation treatment management, 5 treatment sessions (77427)122 services
- Continuing radiation therapy consultation per week (77336)113 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- Arthritis39%
- Ischemic heart disease38%
- Diabetes30%
Hospitals where Nikhil Sebastian works
Medicare's Facility Affiliation Data lists Nikhil Sebastian at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Emory Decatur HospitalDecatur, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 110076
- Emory Johns Creek HospitalJohns Creek, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110230
- Emory University HospitalAtlanta, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110010
- Emory University Hospital MidtownAtlanta, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110078
- Saint Joseph's Hospital of Atlanta, IncAtlanta, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110082
Practice locations
Addresses where Nikhil Sebastian is enrolled with Medicare (CMS data updated October 2, 2026).
- 1365 Clifton Rd NEAtlanta, GA 30322 (404) 778‑7525
- 615 Peachtree St NEAtlanta, GA 30368 (410) 706‑4919
Group practices
Medicare enrollment lists Nikhil Sebastian as a member of these groups (CMS data updated October 2, 2026).
- The Emory Clinic Inc3,568 clinicians in the group
- Georgia Protoncare Center Inc.29 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Other clinicians in The Emory Clinic Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1306231477 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians