Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hematology/Oncology

David J. Benjamin, MD

Works at hospitals in Newport Beach, CA · Orange, CA · California

Summary

David J. Benjamin, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in Newport Beach, CA and Orange, CA. NPI 1821450396. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David J. Benjamin, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
Tulane University School Of MedicineMedical school
MaleGender (as listed)
Hoag ClinicGroup practice

Quick answers

Which hospitals does David J. Benjamin work at?
Medicare's official clinician data lists David J. Benjamin at 2 hospitals: Hoag Memorial Hospital Presbyterian and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David J. Benjamin see patients?
Medicare's clinician data lists 2 practice locations, including Newport Beach, CA and San Clemente, CA. Call before your visit to confirm the address.
What is David J. Benjamin's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does David J. Benjamin accept Medicare assignment?
Yes. Medicare's clinician data says David J. Benjamin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does David J. Benjamin offer telehealth?
Medicare's clinician data says David J. Benjamin offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for David J. Benjamin?
(949) 829-5533, as listed in official Medicare / NPI Registry data.
What is David J. Benjamin's NPI number?
1821450396. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David J. Benjamin works

Medicare's Facility Affiliation Data lists David J. Benjamin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where David J. Benjamin is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1 Hoag DrNewport Beach, CA 92663
  • 1031 Avenida Pico, Suite 204San Clemente, CA 92673 (949) 829‑5533

Group practices

Medicare enrollment lists David J. Benjamin as a member of this group (CMS data updated 2026-10-02).

  • Hoag Clinic460 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Newport Beach

Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.

All hematologist-oncologists in Newport Beach →

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1821450396
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians