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Hematology/Oncology

Jack F. Jacoub, MD

Works at hospitals in Fountain Valley, CA · Laguna Hills, CA · California

Summary

Jack F. Jacoub, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in Fountain Valley, CA and Laguna Hills, CA. NPI 1528016318. 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 Jack F. Jacoub, 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
28Years since medical school (graduated 1998)
MaleGender (as listed)
Memorialcare Medical FoundationGroup practice

Quick answers

Which hospitals does Jack F. Jacoub work at?
Medicare's official clinician data lists Jack F. Jacoub at 2 hospitals: Memorialcare Orange Coast Medical Center and Memorialcare Saddleback Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jack F. Jacoub see patients?
Medicare's clinician data lists 7 practice locations, including Irvine, CA, Fountain Valley, CA and Mission Viejo, CA. Call before your visit to confirm the address.
What is Jack F. Jacoub's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Jack F. Jacoub accept Medicare assignment?
Yes. Medicare's clinician data says Jack F. Jacoub 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 Jack F. Jacoub offer telehealth?
Medicare's clinician data says Jack F. Jacoub offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jack F. Jacoub?
(949) 552-4584, as listed in official Medicare / NPI Registry data.
What is Jack F. Jacoub's NPI number?
1528016318. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jack F. Jacoub works

Medicare's Facility Affiliation Data lists Jack F. Jacoub 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 Jack F. Jacoub is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jack F. Jacoub as a member of this group (CMS data updated 2026-10-02).

  • Memorialcare Medical Foundation566 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Irvine

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

All hematologist-oncologists in Irvine →

Clinician information

CredentialMD
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1528016318
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