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

Dr. Alejandro Villegas, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1558541235

Dr. Alejandro Villegas, MD is a Critical Care (Intensivists) in Chula Vista, California. Graduated from Temple University School of Medicine in 2004, 22 years ago. Practices with On Call Specialists Medical Group of San Diego Inc, a 144-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
Trained at
Temple University School of Medicine
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

751 Medical Center Ct
Chula Vista, CA 91911-6617
Phone: (877) 897-8402
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence C144036 (CA)

Record details

NPI number1558541235
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 9, 2007
Last updated in NPPESJanuary 9, 2025
Certification dateJanuary 9, 2025
Mailing address13223 Black Mountain Rd Ste 1-357, San Diego, CA 92129-2698

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINFECTIOUS DISEASE, INTERNAL MEDICINE
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice On Call Specialists Medical Group Of San Diego Inc — 144 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Chula Vista