Ilene Gewirtz, M.D.
Gynecology Physician · East Islip, NY
Ilene Gewirtz, M.D. is a gynecology physician with a practice address in East Islip, New York, and NPI 1265405500, issued on Feb 8, 2006. Check the license (New York 163315, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ilene Gewirtz
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- 163315 NY
Self-reported in NPPES; status is on the state search - Practice location
- 369 E Main St, East Islip, NY 11730
- Phone
- (631) 859-9793
- Enumerated
- Feb 8, 2006
- Record last updated
- Mar 14, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (631) 277-4608
- Medicare enrollment
- Enrolled (PECOS I20100504000113); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 362 in New York → Look up another NPI →
Also registered at 369 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laurie Bedard, M.A., LAAudiologist1477720506
- Bonnie Chindamo, NPNurse Practitioner1639471642
- Scott Coyne, MDDiagnostic Radiology Physician1992733844
- Margaret Demers, M.A. CCC, SLPSpeech-Language Pathologist1497982011
- Audrey Eisenstadt, MDDiagnostic Radiology Physician1285660266
- Tzanwei Fang, M.D.Diagnostic Radiology Physician1679801559
Verify Ilene Gewirtz 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 163315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average gynecology physician in 2024
243 Medicare Part D claims for 130 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Clobetasol Propionate32 claims
- Nystatin30 claims
- Valacyclovir29 claims
- Triamcinolone Acetonide27 claims
- Nitrofurantoin Mono-Macro23 claims
- Fluconazole18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $20.33
1 payment: food and beverage; the largest payer was Evofem Biosciences, Inc. The 1,398 providers of this specialty with any payment received $2,469.88 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
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ilene Gewirtz among 362 gynecology physician records in New York
Ilene Gewirtz, M.D. is one of 362 gynecology physician records with a practice address in New York. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 32% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1984 · median 1996 among the 151 with a school on file
- Record last updated2012 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in New York
There are 362 gynecology physician records in New York.
All 362 in New York → Every provider in East Islip → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Juliana Opatich, M.D.East Setauket, NY 117331982771028
- Francis Browne, MDCold Spring Harbor, NY 117241659607158
- Lawrence Horn, MDHuntington, NY 117431508970658
- Teresa Mular, M.D.Huntington, NY 117431497097554
- Joseph Xerri, M.D.Brentwood, NY 117171396776423
- Arlene Kaelber, M.D.Bohemia, NY 117161033295761
- Jennifer Blaber, M.D.Bethpage, NY 117141144455882
- Gloria Escamilla, MDHuntington Station, NY 117461114991924
Common questions
What is Ilene Gewirtz, M.D.'s NPI number?
Ilene Gewirtz, M.D.'s National Provider Identifier (NPI) is 1265405500, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ilene Gewirtz, M.D. located?
The NPPES record lists a practice address at 369 E Main St, East Islip, NY, 11730. Phone: (631) 859-9793. Providers update this record themselves, so call before visiting.
How can I verify Ilene Gewirtz, M.D.'s license?
NPPES lists New York license number 163315, 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 Ilene Gewirtz, M.D. prescribe under Medicare Part D?
In 2024, Ilene Gewirtz, M.D. had 243 Medicare Part D claims for 130 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.
What is Ilene Gewirtz, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.