Quick answers
- Does Irina Rybalova accept Medicare assignment?
- Yes. Medicare's clinician data says Irina Rybalova 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 Irina Rybalova see?
- In 2024, CMS data shows 665 Original Medicare patients and 2,746 services for Irina Rybalova. This counts Original Medicare only and measures volume, not quality.
- What is Irina Rybalova's NPI number?
- 1386864486. 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 Irina Rybalova, 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 | 665 |
|---|---|
| Services billed to Medicare | 2,746 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)734 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)643 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)625 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)236 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)193 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%
- Arthritis56%
- Diabetes42%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)42%
- Ischemic heart disease41%
Hospitals where Irina Rybalova works
Medicare's Facility Affiliation Data lists Irina Rybalova 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.
- Good Samaritan Hospital of SuffernSuffern, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330158
- Helen Hayes HospitalWest Haverstraw, NY · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 330405
- Nyack HospitalNyack, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330104
Practice locations
Addresses where Irina Rybalova is enrolled with Medicare (CMS data updated October 2, 2026).
- 160 N Midland AveNyack, NY 10960 (845) 480‑7440
Group practices
Medicare enrollment lists Irina Rybalova as a member of this group (CMS data updated October 2, 2026).
- White Plains Medical Diagnostic Services, PC93 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Nyack
Clinicians with the same Medicare primary specialty in Nyack, NY — not a recommendation.
Other clinicians in White Plains Medical Diagnostic Services, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386864486 |
| 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