Irina Rybalova, MD
Hematology & Oncology Physician · Nyack, NY
Irina Rybalova, MD is a hematology & oncology physician with a practice address in Nyack, New York, and NPI 1386864486, issued on Apr 30, 2007. Check the license (New York 218821, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Irina Rybalova
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 218821 NY
Self-reported in NPPES; status is on the state search - Practice location
- 255 Fifth Ave, Nyack, NY 10960
- Phone
- (845) 362-1750
- Enumerated
- Apr 30, 2007
- Record last updated
- Jun 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (845) 362-1577
- Medicare enrollment
- Enrolled (PECOS I20040727000456); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 255 Fifth Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert March, MDHematology & Oncology Physician1801005012
Verify Irina Rybalova in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 218821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,309 Medicare Part D claims for 241 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 59 claims were for opioids.
Most prescribed
- Eliquis117 claims
- Xarelto58 claims
- Anastrozole51 claims
- Hydroxyurea41 claims
- Ondansetron Odt38 claims
- Warfarin Sodium35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,734.27
125 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- White Plains Medical Diagnostic Services, PCNyack, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Irina Rybalova among 1,163 hematology & oncology physician records in New York
Irina Rybalova, MD is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1993 · median 2002 among the 833 with a school on file
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Nyack → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Daniel Cole, M.D.Nyack, NY 109601821521220
- Sung Ho Lee, M.D.Nyack, NY 109601841426780
- Aleksandra Mamorska-Dyga, M.D.Nyack, NY 109601467735472
- Robert March, MDNyack, NY 109601801005012
- Michael Rader, M.D.Nyack, NY 109601962427294
- Seth Benkel, M.D.New City, NY 109561932143518
- Robert Goldberg, M.D.New City, NY 109561780628362
- Anna Mathew, M.D.New City, NY 109561750479499
Common questions
What is Irina Rybalova, MD's NPI number?
Irina Rybalova, MD's National Provider Identifier (NPI) is 1386864486, issued on Apr 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Irina Rybalova, MD located?
The NPPES record lists a practice address at 255 Fifth Ave, Nyack, NY, 10960. Phone: (845) 362-1750. Providers update this record themselves, so call before visiting.
How can I verify Irina Rybalova, MD's license?
NPPES lists New York license number 218821, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Irina Rybalova, MD prescribe under Medicare Part D?
In 2024, Irina Rybalova, MD had 1,309 Medicare Part D claims for 241 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Irina Rybalova, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.