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

Dr. Aya Eguchi, MD

Individual provider Internal Medicine Physician · NPI 1578732541

Dr. Aya Eguchi, MD is an Internal Medicine in Patton, California. Graduated from Loma Linda University School of Medicine in 2007, 19 years ago. Practices with Department of State Hospitals, a 276-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2008
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

3102 E Highland Ave
Patton, CA 92369-7813
Phone: (951) 425-7222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 29 S 6th St, Redlands, CA 92373-5210 — (951) 777-0377

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A106789 (CA)

Record details

NPI number1578732541
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 25, 2008
Last updated in NPPESSeptember 26, 2023
Certification dateSeptember 26, 2023
Mailing address29 S 6th St, Redlands, CA 92373-5210

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Department Of State Hospitals — 276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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