Careers With St. Joseph Health

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They form the heart and soul of St. Joseph Health and are the prime reason we attract and retain high-caliber employees who believe in the sanctity of their work in our faith-based setting.

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About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

Giving back to the community. St. Joseph Health System Office

Reza Allamehzadeh, MD

  • Nephrology
Additional Language Spoken
25982 Pala Dr.
Suite 170
Mission Viejo, CA 92691
Accepting New Patients

Primary Office

25982 Pala Dr.
Suite 170
Mission Viejo, CA 92691
Get Directions
(949) 581-2002
(949) 581-2221
Mon - Fri: 8:30 a.m. - 5 p.m.

Secondary Office

23521 Paseo de Valencia
Suite 207

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Nephrology
    Secondary Specialties
    • Internal Medicine
  • Biography



    Dr. Allamehzadeh’s mission is to provide the highest level of care and compassion to patients with kidney diseases. Board certified in nephrology and internal medicine, Dr. Allamehzadeh strives to diagnose kidney diseases early and provide targeted treatments to prevent progression. His priority is always the well-being of his patients.

    After completing his nephrology fellowship at UCI Medical Center, where he earned the highest nationwide score among all other nephrology fellows on the nephrology exam, Dr. Allamehzadeh completed subspecialty training in kidney transplant and pancreas transplant at UCLA Medical Center. While at UCLA Medical Center, Dr. Allamehzadeh cared for more than 300 transplant patients.

    Through this experience, Dr. Allamehzadeh came to recognize the special needs of patients going through the transplant process. Dr. Allamehzadeh is committed to providing the extra time, attention and comprehensive care needed by patients and their families before, during and after the transplant process.

    Dr. Allamehzadeh is fluent in both English and Farsi.


    • Board Certified in Nephrology and Internal Medicine
    • Residency in Internal Medicine at Kern Medical Center
    • Fellowship in Nephrology at UCI Medical Center
    • Subspecialty Training in Kidney Transplant and Pancreas Transplant at UCLA Medical Center

    Areas of Interest

    • Nephrology
    • Patient care before and after kidney transplant and pancreas transplant
    • Acute and chronic kidney disease
    • Familial kidney disease
    • Systemic diseases involving kidneys
    • End stage kidney disease
    • Dialysis including hemodialysis and peritoneal
    • Hypertension
    • Kidney stones
    • Electrolyte abnormalities
    • Acid base abnormalities