Ivor Benjamin, M.D.
NPI 1114183977 · Gynecologic Oncology Physician · Peoria, AZ
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivor Benjamin, M.D. is a Gynecologic Oncology Physician provider in Peoria, AZ (NPI 1114183977).
Provider details
- NPI number
- 1114183977
- Entity type
- Individual
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 40592 (AZ)
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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
774 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 | 426 | $96 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 139 | $137 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 61 | $169 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 49 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 38 | $161 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 70 | 53 |
| Niraparib Tosylatebrand: Zejula | 64 | — |
| Gabapentin | 56 | 15 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 54 | 40 |
| Ondansetronbrand: Ondansetron Odt | 49 | 41 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 48 | 46 |
| Clobetasol Propionate | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33,740 across 34 records (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
Additional practice locations (1)
- 10320 W Mcdowell Rd Ste 8025Avondale, AZ 85392-4872Phone: (623) 238-7330Fax: (623) 936-3745
Registry dates
- Enumerated
- 2008-07-31
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Ivor Benjamin's NPI number?
- Ivor Benjamin's National Provider Identifier (NPI) is 1114183977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivor Benjamin's specialty?
- Ivor Benjamin is listed in the NPPES registry with a primary specialty of Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ivor Benjamin located?
- Ivor Benjamin's practice location on file with NPPES is 15000 N 83rd Ave Unit 300, Peoria, AZ 85381-2004.
- What is Ivor Benjamin's phone number?
- The practice phone number listed in the NPPES registry for Ivor Benjamin is (623) 238-7490.
- Does Ivor Benjamin accept Medicare?
- Ivor Benjamin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivor Benjamin's NPI active?
- Yes — Ivor Benjamin's NPI (1114183977) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.