Aya Eguchi, M.D.
NPI 1578732541 · Internal Medicine Physician · Patton, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aya Eguchi, M.D. is a Internal Medicine Physician provider in Patton, CA (NPI 1578732541).
Provider details
- NPI number
- 1578732541
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A106789 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 29 S 6th StRedlands, CA 92373-5210Phone: (951) 777-0377
Registry dates
- Enumerated
- 2008-02-25
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Aya Eguchi's NPI number?
- Aya Eguchi's National Provider Identifier (NPI) is 1578732541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aya Eguchi's specialty?
- Aya Eguchi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aya Eguchi located?
- Aya Eguchi's practice location on file with NPPES is 3102 E Highland Ave, Patton, CA 92369-7813.
- What is Aya Eguchi's phone number?
- The practice phone number listed in the NPPES registry for Aya Eguchi is (951) 425-7222.
- Does Aya Eguchi accept Medicare?
- Aya Eguchi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aya Eguchi's NPI active?
- Yes — Aya Eguchi's NPI (1578732541) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.