Doctor profile · Federal record

Dr. Ivor Benjamin, M.D.

Gynecologic Oncology Physician (CMS: Obstetrics/Gynecology) · Peoria, AZ

  • NPI 1114183977
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
15000 N 83Rd Ave Unit 300
Peoria, AZ 853812004
(623) 238-7490
fax (480) 882-5019
Additional location
10320 W McDowell RD Ste 8025
Avondale, AZ 853924872
(623) 238-7330
fax (623) 936-3745

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
February 24, 2026
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Arizona #40592
Medicaid
AZ #399522

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114183977. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
721
Distinct HCPCS
10
Medicare allowed
$99,909
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 207 65 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 191 125 $64
99214 Established patient office or other outpatient visit, 30-39 minutes 124 86 $94
99205 New patient office or other outpatient visit, 60-74 minutes 59 59 $173
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 37 22 $115
58571 Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 29 29 $781
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $129
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 12 $77
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $168
58558 Biopsy of lining of uterus and/or removal of polyp using an endoscope 12 12 $215

In context: peer comparison

Among 2 peers in Peoria Gynecologic Oncology Physician, average services per provider: 868. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33,740
Transactions
34
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 31 $33,611.45
Intuitive Surgical, INC. 1 $84.97
Genmab U.S., INC. 1 $27.31
AstraZeneca Pharmaceuticals Lp 1 $16.69

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$25,200
Travel and Lodging
$7,808
Food and Beverage
$732

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
376
Patients
200
Total drug cost
$125,981
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 57 52 $281
Gabapentin Generic 56 11 $604
Dexamethasone Generic 53 37 $1,014
Ondansetron Hcl Generic 39 25 $337
Ondansetron Odt (Ondansetron) Brand 35 22 $410
Lidocaine-Prilocaine (Lidocaine/Prilocaine) Brand 34 27 $670
Prochlorperazine Maleate Generic 34 26 $426
Letrozole Generic 22 0 $422
Prednisolone Acetate Generic 21 0 $759
Clobetasol Propionate Generic 13 0 $235

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ivor Benjamin's medical specialty?
Dr. Ivor Benjamin practices Gynecologic Oncology Physician in Peoria, AZ.
Where does Dr. Ivor Benjamin practice?
Dr. Ivor Benjamin practices at 15000 N 83Rd Ave Unit 300, Peoria, AZ 853812004. Office phone: 6232387490.
What is Dr. Ivor Benjamin's NPI?
Dr. Ivor Benjamin's National Provider Identifier (NPI) is 1114183977, issued by NPPES.
Does Dr. Ivor Benjamin accept Medicare assignment?
Yes. Dr. Ivor Benjamin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ivor Benjamin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.