Ilana Harwayne-Gidansky, MD
Pediatrics Physician · Stony Brook, NY
Ilana Harwayne-Gidansky, MD is a pediatrics physician with a practice address in Stony Brook, New York, and NPI 1861633778, issued on Mar 23, 2009. Check the license (New York 259724, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ilana Harwayne-Gidansky
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 259724 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Nicolls RD, Stony Brook, NY 11794
- Phone
- (631) 444-2725
- Enumerated
- Mar 23, 2009
- Record last updated
- May 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (631) 444-2894
- Medicare enrollment
- Enrolled (PECOS I20150820011374); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 5,795 in New York → Look up another NPI →
Also registered at 100 Nicolls RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mansoor AhmedNephrology Physician1366154742
- Mary Ann Almonte, NP-CFamily Nurse Practitioner1104392455
- Ratna Basak, MDPediatrics Physician1790100626
- Akhtar BegumFamily Nurse Practitioner1700413325
Verify Ilana Harwayne-Gidansky 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 259724Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Albany Medical CollegeAlbany, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ilana Harwayne-Gidansky among 5,795 pediatrics physician records in New York
Ilana Harwayne-Gidansky, MD is one of 5,795 pediatrics physician records with a practice address in New York. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2009 · median 2008 among the 451 with a school on file
- Record last updated2015 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 pediatrics physician records list a practice address in Stony Brook
They are 51 of the 3,053 NPPES records with a practice address in Stony Brook, and 5,795 pediatrics physician records in New York.
All 5,795 in New York → Every provider in Stony Brook → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Josette Bianchi-Hayes, MDStony Brook, NY 117941356498166
- Rachel Boykan, M.D.Stony Brook, NY 117941962440925
- Rosa Cataldo, DOStony Brook, NY 117941386815777
- Maribeth Chitkara, M.D.Stony Brook, NY 117941588606412
- Margaret Connolly, MDStony Brook, NY 117941790942589
- Kimberly Joyner, M.D.Stony Brook, NY 117941508809054
- Parampreet Kathuria, D.O.Stony Brook, NY 117941144463662
- Margaret McGovern, MD, PHDStony Brook, NY 117941821046947
Common questions
What is Ilana Harwayne-Gidansky, MD's NPI number?
Ilana Harwayne-Gidansky, MD's National Provider Identifier (NPI) is 1861633778, issued on Mar 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ilana Harwayne-Gidansky, MD located?
The NPPES record lists a practice address at 100 Nicolls RD, Stony Brook, NY, 11794. Phone: (631) 444-2725. Providers update this record themselves, so call before visiting.
How can I verify Ilana Harwayne-Gidansky, MD's license?
NPPES lists New York license number 259724, 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.
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.