Quick answers
- Does Sarah A. Singh accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah A. Singh 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 Sarah A. Singh see?
- In 2024, CMS data shows 89 Original Medicare patients and 668 services for Sarah A. Singh. This counts Original Medicare only and measures volume, not quality.
- What is Sarah A. Singh's NPI number?
- 1881125391. 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 Sarah A. Singh, 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 | 89 |
|---|---|
| Services billed to Medicare | 668 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)200 services
- Calculation of radiation therapy dose (77300)85 services
- Design and construction of complex radiation treatment device (77334)73 services
- Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)55 services
- Radiation treatment management, 5 treatment sessions (77427)41 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).
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure66%
- High cholesterol65%
- Arthritis49%
- Anxiety30%
- Ischemic heart disease25%
Hospitals where Sarah A. Singh works
Medicare's Facility Affiliation Data lists Sarah A. Singh 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.
- Northside HospitalAtlanta, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110161
Practice locations
Addresses where Sarah A. Singh is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Johnson Ferry Rd NEAtlanta, GA 30342 (404) 851‑8000
Group practices
Medicare enrollment lists Sarah A. Singh as a member of this group (CMS data updated October 2, 2026).
- North Atlanta Professional Services LLC430 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 North Atlanta Professional Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881125391 |
| 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