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Hematology/Oncology

Ayad Hamdan, MD

Works at hospitals in Rancho Mirage, CA · San Diego, CA · California

Summary

Ayad Hamdan, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in Rancho Mirage, CA and San Diego, CA. NPI 1144431230. 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 Ayad Hamdan, 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
23Years since medical school (graduated 2003)
MaleGender (as listed)
Regents of the University of CaliforniaGroup practice (+1 more)

Quick answers

Which hospitals does Ayad Hamdan work at?
Medicare's official clinician data lists Ayad Hamdan at 2 hospitals: Eisenhower Medical Center and UC San Diego Health Hillcrest - Hillcrest Med Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ayad Hamdan see patients?
Medicare's clinician data lists 3 practice locations, including San Diego, CA and Rancho Mirage, CA. Call before your visit to confirm the address.
What is Ayad Hamdan's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Ayad Hamdan accept Medicare assignment?
Yes. Medicare's clinician data says Ayad Hamdan 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 Ayad Hamdan offer telehealth?
Medicare's clinician data says Ayad Hamdan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ayad Hamdan?
(858) 657-7000, as listed in official Medicare / NPI Registry data.
What is Ayad Hamdan's NPI number?
1144431230. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ayad Hamdan works

Medicare's Facility Affiliation Data lists Ayad Hamdan 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 Ayad Hamdan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ayad Hamdan as a member of these groups (CMS data updated 2026-10-02).

  • Regents of the University of California2,089 clinicians in the group
  • Eisenhower Medical Center456 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All hematologist-oncologists in San Diego →

Clinician information

CredentialMD
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144431230
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