Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marialejandra Diaz Ibarra, MD

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1851031173

Marialejandra Diaz Ibarra, MD is an Ophthalmology in Mission Viejo, California. Qualified in 2003, 23 years ago. Licensed in California.

Years since qualifying
23
Licensed in
CA
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

26732 Crown Valley Pkwy Ste 351
Mission Viejo, CA 92691-6374
Phone: (949) 642-3100
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence A197533 (CA)

Record details

NPI number1851031173
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2022
Last updated in NPPESJune 11, 2026
Certification dateJune 11, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare