Quick answers
- Does Nathan W. Ertel accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan W. Ertel 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 Nathan W. Ertel see?
- In 2024, CMS data shows 1,674 Original Medicare patients and 2,481 services for Nathan W. Ertel. This counts Original Medicare only and measures volume, not quality.
- What is Nathan W. Ertel's NPI number?
- 1528251428. 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 Nathan W. Ertel, 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 | 1,674 |
|---|---|
| Services billed to Medicare | 2,481 |
| Different services or procedures | 163 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- X-ray of chest, 1 view (71045)369 services
- X-ray of chest, 2 views (71046)175 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)136 services
- Complete ultrasound scan behind abdominal cavity (76770)102 services
- Ct scan of abdomen and pelvis with contrast (74177)101 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%
- Arthritis51%
- Ischemic heart disease46%
- Diabetes39%
- Chronic kidney disease37%
Hospitals where Nathan W. Ertel works
Medicare's Facility Affiliation Data lists Nathan W. Ertel 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.
- Wellstar Cobb Medical CenterAustell, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110143
- Wellstar Douglas Medical CenterDouglasville, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110184
- Wellstar Kennestone Regional Medical CenterMarietta, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110035
- Wellstar North Fulton Medical CenterRoswell, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 110198
- Wellstar Paulding Medical CenterHiram, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 110042
Practice locations
Addresses where Nathan W. Ertel is enrolled with Medicare (CMS data updated October 2, 2026).
- 790 Church Nest, Suite 400Marietta, GA 30060 (678) 581‑3830
Group practices
Medicare enrollment lists Nathan W. Ertel as a member of this group (CMS data updated October 2, 2026).
- Quantum Radiology PC103 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Marietta
Clinicians with the same Medicare primary specialty in Marietta, GA — not a recommendation.
Other clinicians in Quantum Radiology PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528251428 |
| 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