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

Dr. Alejandra Casillas, MD

Individual provider Internal Medicine Physician · NPI 1205026721

Dr. Alejandra Casillas, MD is an Internal Medicine in Los Angeles, California. Qualified in 2005, 21 years ago. Practices with The Regents of the University of California, a 1,414-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
21
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

911 Broxton Ave #306
Los Angeles, CA 90024-2801
Phone: (310) 794-3508
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A98719 (CA)

Record details

NPI number1205026721
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 31, 2007
Last updated in NPPESFebruary 4, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice The Regents Of The University Of California — 1414 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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