Quick answers
- Does Ivo Horak accept Medicare assignment?
- Medicare's clinician data says Ivo Horak may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Ivo Horak see?
- In 2024, CMS data shows 18 Original Medicare patients and 30 services for Ivo Horak. This counts Original Medicare only and measures volume, not quality.
- What is Ivo Horak's NPI number?
- 1396791935. 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 Ivo Horak, 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 | 18 |
|---|---|
| Services billed to Medicare | 30 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
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 pressure72%
Practice locations
Addresses where Ivo Horak is enrolled with Medicare (CMS data updated October 2, 2026).
- 1750 Powder Springs Rd SW, Suite 210Marietta, GA 30064
- 3434 Johnson Ferry Rd NERoswell, GA 30075
- 47 Gramling St SEMarietta, GA 30008 (770) 436‑9123
- 7501 Paragon Rd, Suite 201Dayton, OH 45459
Specialties
- Optometryprimary
Other optometrists in Marietta
Clinicians with the same Medicare primary specialty in Marietta, GA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | New England College Of Optometry |
| Graduation year | 1996 (30 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1396791935 |
| 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