Quick answers
- Does Marc F. Greenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Marc F. Greenberg 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 Marc F. Greenberg see?
- In 2024, CMS data shows 158 Original Medicare patients and 458 services for Marc F. Greenberg. This counts Original Medicare only and measures volume, not quality.
- What is Marc F. Greenberg's NPI number?
- 1093779431. 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 Marc F. Greenberg, 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 | 158 |
|---|---|
| Services billed to Medicare | 458 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Exam to measure eye deviation and range of motion (92060)145 services
- Established patient problem focused exam of visual system (92012)91 services
- Realignment of horizontal eye muscle (67311)43 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)39 services
- Realignment of vertical eye muscle (67314)34 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 cholesterol75%
- High blood pressure72%
- Arthritis54%
- Ischemic heart disease28%
- Diabetes22%
- Depression21%
Practice locations
Addresses where Marc F. Greenberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 340 Brandywine BlvdFayetteville, GA 30214 (770) 719‑7950
- 350 Brandywine Blvd, Suite 100Fayetteville, GA 30214 (678) 385‑0377
- 355 Tower Rd NEMarietta, GA 30060
- 5445 Meridian Mark Rd, Suite 220Atlanta, GA 30342 (404) 255‑2419
Group practices
Medicare enrollment lists Marc F. Greenberg as a member of this group (CMS data updated October 2, 2026).
- Eye Consultants of Atlanta, PC30 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Fayetteville
Clinicians with the same Medicare primary specialty in Fayetteville, GA — not a recommendation.
Other clinicians in Eye Consultants of Atlanta, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093779431 |
| 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