Ilene Gewirtz, M.D.
NPI 1265405500 · Gynecology Physician · East Islip, NY
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ilene Gewirtz, M.D. is a Gynecology Physician provider in East Islip, NY (NPI 1265405500).
Provider details
- NPI number
- 1265405500
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 163315 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
572 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 364 | $136 |
| Urinalysis, Manual Test81002 | 64 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 64 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 51 | $179 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 17 | $42 |
| Biopsy of Lining of Uterus58100 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 32 | 23 |
| Nystatin | 30 | 28 |
| Valacyclovir Hclbrand: Valacyclovir | 29 | 17 |
| Triamcinolone Acetonide | 27 | 23 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 23 | 23 |
| Fluconazole | 18 | 17 |
| Estradiolbrand: Yuvafem | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-08
- Last updated
- 2012-03-14
Frequently asked questions
- What is Ilene Gewirtz's NPI number?
- Ilene Gewirtz's National Provider Identifier (NPI) is 1265405500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ilene Gewirtz's specialty?
- Ilene Gewirtz is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Ilene Gewirtz located?
- Ilene Gewirtz's practice location on file with NPPES is 369 E Main St, East Islip, NY 11730-2800.
- What is Ilene Gewirtz's phone number?
- The practice phone number listed in the NPPES registry for Ilene Gewirtz is (631) 859-9793.
- Does Ilene Gewirtz accept Medicare?
- Ilene Gewirtz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ilene Gewirtz's NPI active?
- Yes — Ilene Gewirtz's NPI (1265405500) is active in the NPPES registry as of the last update on 2012-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.