Dr. David Benjamin, MD
Hematology & Oncology (Hematology & Oncology Physician)
- Medicare participating
At a glance
- Medical school
- Tulane University School of Medicine (2016)
- Years since graduation
- 10
- In the NPI registry since
- 2016
- Medicare patients seen, 2024
- 209
Licensed in California since 2017, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2016Medical school: Tulane University School of Medicine
- 2016Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Hematology & Oncology Physician primary
CA license A151232 (first issued 2017; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Uci Health-Orange Orange, CA
- Hoag Memorial Hospital Presbyterian Newport Beach, CA
Medical groups
- Hoag Clinic (460 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 209
- Services billed
- 1,053
- Patients’ average age
- 76
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 349 | 95 |
| Established patient office or other outpatient visit, 40-54 minutes | 145 | 73 |
| New patient office or other outpatient visit, 60-74 minutes | 56 | 56 |
| Established patient office or other outpatient visit, 20-29 minutes | 53 | 42 |
| New patient office or other outpatient visit, 45-59 minutes | 28 | 28 |
| Established patient office or other outpatient visit, 10-19 minutes | 11 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Prednisone Other prescribers in Newport Beach, CA | 216 |
| Orgovyx (relugolix) | 145 |
| Nubeqa (darolutamide) | 132 |
| Abiraterone Acetate | 66 |
| Xtandi (enzalutamide) | 48 |
| Ondansetron Hcl Other prescribers in Newport Beach, CA | 25 |
| Bicalutamide | 18 |
| Tamsulosin Hcl Other prescribers in Newport Beach, CA | 18 |
| Prochlorperazine Maleate Other prescribers in Newport Beach, CA | 17 |
| Tramadol Hcl Other prescribers in Newport Beach, CA | 17 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 9 companies reported 18 payments worth $35,136 in total to this clinician.
| Merck Healthcare Kgaa | $27,436 |
|---|---|
| Merck Sharp & Dohme LLC | $4,954 |
| GlaxoSmithKline, LLC. | $2,195 |
| Bayer HealthCare LLC | $150 |
| Bayer HealthCare Pharmaceuticals Inc. | $120 |
| Fennec Pharmaceuticals, Inc. | $101 |
| Caris Mpi, Inc. | $92.68 |
| EMD Serono, Inc. | $65.22 |
| Compensation for services other than consulting (speaking, faculty) | $16,170 |
|---|---|
| Travel and Lodging | $15,740 |
| Consulting Fee | $2,175 |
| Food and Beverage | $1,051 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Merck Healthcare Kgaa May 10, 2025 | Travel and Lodging travel to Lisbon, Portugal Company’s descriptionSpeaking Services (Transportation) | $14,580 |
| Merck Healthcare Kgaa May 10, 2025 | Compensation for services other than consulting (speaking, faculty)Company’s descriptionSpeaking Services (Fee For Service) | $5,700 |
| Merck Healthcare Kgaa Oct 28, 2025 | Compensation for services other than consulting (speaking, faculty)Company’s descriptionSpeaking Services (Fee For Service) | $5,700 |
| Merck Sharp & Dohme LLC May 2, 2025 | Compensation for services other than consulting (speaking, faculty) LYNPARZA · ONCOLOGY | $4,770 |
| GlaxoSmithKline, LLC. Mar 11, 2025 | Consulting Fee | $2,175 |
| Merck Healthcare Kgaa May 10, 2025 | Travel and Lodging travel to Lisbon, Portugal Company’s descriptionSpeaking Services (Lodging) | $1,134 |
| Merck Sharp & Dohme LLC May 2, 2025 | Travel and Lodging LYNPARZA · ONCOLOGY · travel to Costa Mesa, CA | $25.00 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.