Ivor Benjamin, M.D.
Gynecologic Oncology Physician · Peoria, AZ
Ivor Benjamin, M.D. is a gynecologic oncology physician with a practice address in Peoria, Arizona, and NPI 1114183977, issued on Jul 31, 2008. Check the license (Arizona 40592, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ivor Benjamin
- Credential
- M.D.
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- 40592 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 15000 N 83RD Ave Unit 300, Peoria, AZ 85381
- Phone
- (623) 238-7490
- Enumerated
- Jul 31, 2008
- Record last updated
- Feb 24, 2026
- Fax
- (480) 882-5019
- Medicaid ID
- 399522 AZ
- Medicare enrollment
- Enrolled (PECOS I20090109000394); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 32 in Arizona → Look up another NPI →
Also registered at 15000 N 83RD Ave Unit 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clarence Adoo, M.D.Hematology & Oncology Physician1063480036
- Parmjeet Banghar, M.D.Hematology & Oncology Physician1437152436
- James Choi, M.D.Specialist1295871747
- Joan Dahmer, M.D.Hematology & Oncology Physician1417954785
- Justin Goldfarb, DOMedical Oncology Physician1215152723
- John Roller, M.D.Internal Medicine Physician1447607627
Verify Ivor Benjamin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 40592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average gynecologic oncology physician in 2024
615 Medicare Part D claims for 143 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 66 claims were for opioids.
Most prescribed
- Dexamethasone70 claims
- Zejula64 claims
- Gabapentin56 claims
- Lidocaine-Prilocaine54 claims
- Ondansetron Odt49 claims
- Oxycodone-Acetaminophen48 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.
Industry payments in 2024: $33,740.42
34 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 1,199 providers of this specialty with any payment received $6,387.20 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
- Honorhealth AmbulatoryAvondale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ivor Benjamin among 32 gynecologic oncology physician records in Arizona
Ivor Benjamin, M.D. is one of 32 gynecologic oncology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 66% of them.
- NPI issued2008 · 66% of these records are older, 25% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1987 · median 1998 among the 25 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in Arizona
There are 32 gynecologic oncology physician records in Arizona.
All 32 in Arizona → Every provider in Peoria → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Shobhana Talukdar, M.D.Peoria, AZ 853811508144593
- Leon Asadourian, M.D.Carefree, AZ 853771679635981
- Kenneth KearnsCarefree, AZ 853771598148223
- Alison Goulder, MDTempe, AZ 852841396277711
- Gabriella Smith, MDTempe, AZ 852841104489699
- Dennis Scribner, MDScottsdale, AZ 852601679545982
- Kristina Butler, M.D.Scottsdale, AZ 852591326169699
- Rykoff Ritchie Mae Delara, MDScottsdale, AZ 852591699192559
Common questions
What is Ivor Benjamin, M.D.'s NPI number?
Ivor Benjamin, M.D.'s National Provider Identifier (NPI) is 1114183977, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ivor Benjamin, M.D. located?
The NPPES record lists a practice address at 15000 N 83RD Ave Unit 300, Peoria, AZ, 85381. Phone: (623) 238-7490. Providers update this record themselves, so call before visiting.
How can I verify Ivor Benjamin, M.D.'s license?
NPPES lists Arizona license number 40592, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ivor Benjamin, M.D. prescribe under Medicare Part D?
In 2024, Ivor Benjamin, M.D. had 615 Medicare Part D claims for 143 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
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.