Quick answers
- Does Valeria J. Rubinstein accept Medicare assignment?
- Yes. Medicare's clinician data says Valeria J. Rubinstein 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 Valeria J. Rubinstein see?
- In 2024, CMS data shows 242 Original Medicare patients and 1,770 services for Valeria J. Rubinstein. This counts Original Medicare only and measures volume, not quality.
- What is Valeria J. Rubinstein's NPI number?
- 1184724585. 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 Valeria J. Rubinstein, 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 | 242 |
|---|---|
| Services billed to Medicare | 1,770 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)304 services
- Exam of visual field with extended testing (92083)237 services
- Extended exam of the back part of the eye with optic nerve drawing (92202)212 services
- Exam of the internal drainage system of eye (92020)211 services
- Established patient complete exam of visual system (92014)160 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 cholesterol74%
- High blood pressure62%
- Arthritis38%
- Diabetes29%
- Ischemic heart disease25%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%
Hospitals where Valeria J. Rubinstein works
Medicare's Facility Affiliation Data lists Valeria J. Rubinstein 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.
- NY Eye and Ear Infirmary of Mount SinaiNew York, NY · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 330100
Practice locations
Addresses where Valeria J. Rubinstein is enrolled with Medicare (CMS data updated October 2, 2026).
- 110 E 40th St, Rm 404New York, NY 10016 (212) 242‑2200
- 110 E 40th St, Suite 110New York, NY 10016
Specialties
- Ophthalmologyprimary
Other ophthalmologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184724585 |
| 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