Quick answers
- Does Alida Gertz accept Medicare assignment?
- Yes. Medicare's clinician data says Alida Gertz 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 Alida Gertz see?
- In 2024, CMS data shows 31 Original Medicare patients and 60 services for Alida Gertz. This counts Original Medicare only and measures volume, not quality.
- What is Alida Gertz's NPI number?
- 1851690234. 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 Alida Gertz, 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 | 31 |
|---|---|
| Services billed to Medicare | 60 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)44 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)12 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%
- Ischemic heart disease68%
- Heart failure68%
- Diabetes61%
- Arthritis61%
Practice locations
Addresses where Alida Gertz is enrolled with Medicare (CMS data updated October 2, 2026).
- 5150 Stilesboro N W Rd, Suite 220Kennesaw, GA 30152 (770) 424‑8222
- 8954 Hospital DrDouglasville, GA 30134 (678) 838‑2585
Group practices
Medicare enrollment lists Alida Gertz as a member of this group (CMS data updated October 2, 2026).
- Wellstar Medical Group LLC3,093 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Kennesaw
Clinicians with the same Medicare primary specialty in Kennesaw, GA — not a recommendation.
Other clinicians in Wellstar Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851690234 |
| 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
- 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