Summary

Dr. Maruja Diaz Arjonilla treats Type 2 Diabetes Mellitus, Diabetes Type 2 in Children and Teens, and Hyperglycemic Emergency, and performs Continuous Glucose Monitoring, Cranial Ultrasound, and Thyroid and Parathyroid Ultrasound. She practices Endocrinology, Diabetes & Metabolism and has 36 years of experience. She is affiliated with Saint Joseph Hospital Orange and speaks English and Spanish.

Dr. Diaz Arjonilla earned her medical degree from Universidad Central de Venezuela and completed her residency at UCSF – Fresno in 2007 and her fellowship at Harbor UCLA Medical Center in 2009. She sees patients in Orange, California.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.3
  • 36 years of experience
  • 27 insurance plans accepted
  • speaks English, Spanish
  • Harbor UCLA Medical Center
  • 7 written reviews
  • 2 specialties
  • 19 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Female

Patients’ Perspective

  • Spent time with me

Office Location

St. Joseph Heritage Orange - Chapman

2501 E Chapman Ave Ste 203Orange, CA 92869

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Maruja Del Valle Diaz Arjonilla, MD
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Maruja Del Valle Diaz Arjonilla, MDDr. Emily Clark King, MDDr. Audrey Denise Briscoe, MDDr. Diana Maria Echeverry-Franck, MD
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & Metabolism
Accepts New Patients Accepts New Patients Accepts New Patients
2.3 
0 
0 
3.8 
36 Years of Experience 14 Years of Experience 20 Years of Experience 30 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks English, Spanish
Orange , CASan Dimas , CADowney , CALynwood , CA
Med School: Universidad Central de Venezuela Med School: University of California San Francisco School of Medicine Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences Med School: Ross University School Of Medicine
Current Profile
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Insurance Plans Accepted by Maruja Del Valle Diaz Arjonilla

  • Accepts Medicare
  • Aetna - HMO
  • Aetna Medicare Advantage HMO
  • Aetna Medicare Advantage PPO
  • Aetna PPO
  • Anthem Blue Cross HMO
  • Anthem Blue Cross Medicare Advantage
  • Anthem Blue Cross Medicare PPO
  • Anthem Blue Cross PPO
  • Blue Shield of CA HMO
  • Blue Shield of CA HMO - Trio
  • Blue Shield of CA Medicare Advantage
  • Blue Shield of CA PPO
  • Cigna HMO
  • Cigna PPO
  • Coventry/First Health PPO
  • Health Net - HMO
  • Health Net - Medicare Advantage
  • Health Net PPO
  • HealthSmart (Interplan) PPO
  • Multiplan PPO
  • Providence Health Plan - Medicare Advantage
  • SCAN Medicare Advantage
  • TriWest - Tricare
  • United Healthcare HMO
  • United HealthCare PPO
  • US Family Health Plan - TriCare
  • Vivity by Anthem Blue Cross

Medical Specialties

Maruja Del Valle Diaz Arjonilla has the following 2 specialties

Specialty Expertise

Maruja Del Valle Diaz Arjonilla has the following 19 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cancer
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes, Type 2
  • Endocrinology & Metabolism
  • Fatigue
  • Gland Issues
  • Growth Disorders
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Lipid Metabolism Disorders
  • Nutrition Disorders
  • Obesity
  • Thyroid Diseases

Certifications, License, & Education

36 Years Experience

Maruja Del Valle Diaz Arjonilla holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Fellowship

Completed their fellowship at Harbor UCLA Medical Center in 2009.

Residency

Completed their residency at UCSF - Fresno in 2007.

Internship

Completed their internship at Universidad Central de Venezuela in 1992.

Medical School

Graduated from Universidad Central de Venezuela in 1990.

NPI Number

Maruja Del Valle Diaz Arjonilla's NPI number is 1841481074.

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Frequently Asked Questions

Is Maruja Diaz Arjonilla accepting new patients?
Maruja Diaz Arjonilla is accepting new patients on Vitals. View Maruja Diaz Arjonilla's profile on Vitals to make an appointment.
Does Maruja Diaz Arjonilla accept my insurance?
You can see the insurance plans that Maruja Diaz Arjonilla accepts on their Vitals profile.
What languages does Maruja Diaz Arjonilla speak?
Maruja Diaz Arjonilla speaks English and Spanish.
How can I make an appointment with Maruja Diaz Arjonilla?
You can find contact information for Maruja Diaz Arjonilla here on Vitals.
Where is Maruja Diaz Arjonilla's office located?
Maruja Diaz Arjonilla's office is located at 2501 E Chapman Ave Ste 203, Orange, CA, 92869.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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