Quick answers
- Does Zachary S. Mendelson accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary S. Mendelson 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 Zachary S. Mendelson see?
- In 2024, CMS data shows 611 Original Medicare patients and 2,112 services for Zachary S. Mendelson. This counts Original Medicare only and measures volume, not quality.
- What is Zachary S. Mendelson's NPI number?
- 1134650047. 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 Zachary S. Mendelson, 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 | 611 |
|---|---|
| Services billed to Medicare | 2,112 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)430 services
- Photography of the retina (92250)278 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)259 services
- Imaging of retina (92134)214 services
- Imaging of optic nerve (92133)167 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 pressure70%
- Arthritis48%
- Diabetes30%
- Ischemic heart disease29%
- Osteoporosis26%
Practice locations
Addresses where Zachary S. Mendelson is enrolled with Medicare (CMS data updated October 2, 2026).
- 16 S Jefferson Rd, Fl 2Whippany, NJ 07981 (973) 994‑0010
Group practices
Medicare enrollment lists Zachary S. Mendelson as a member of this group (CMS data updated October 2, 2026).
- Miller Ophthalmology Associates LLC5 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Other clinicians in Miller Ophthalmology Associates LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134650047 |
| 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