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

Alexa Marie Castellano, MD

Individual provider Otolaryngology Physician · NPI 1578978813

Alexa Marie Castellano, MD is an Otolaryngology in Ventura, California. Graduated from University of Missouri, Columbia School of Medicine in 2014, 12 years ago. Practices with Community Memorial Health System, a 187-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Illinois.

Years since qualifying
12
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
CA, IL
In the registry since
2014
Specialties on file
2
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

300 Hillmont Ave
Ventura, CA 93003-1651
Phone: (805) 652-6556
Fax: (805) 652-3252
Show map & directions

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

Additional practice locations (1)

  • 301 N 8th St, Springfield, IL 62701-1041 — (217) 545-4777

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence A162090 (CA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 125.065078 (IL)

Record details

NPI number1578978813
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 25, 2014
Last updated in NPPESJuly 10, 2023
Certification dateJuly 10, 2023

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Community Memorial Health System — 187 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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