Stephanie Aoki, PHD
NPI 1427721216 · Psychologist · Fremont, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Aoki, PHD is a Psychologist provider in Fremont, CA (NPI 1427721216).
Provider details
- NPI number
- 1427721216
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 32750 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2021-07-27
- Last updated
- 2024-09-04
- Certified
- 2024-09-04
Frequently asked questions
- What is Stephanie Aoki's NPI number?
- Stephanie Aoki's National Provider Identifier (NPI) is 1427721216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Aoki's specialty?
- Stephanie Aoki is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephanie Aoki located?
- Stephanie Aoki's practice location on file with NPPES is 39400 Paseo Padre Pkwy, Fremont, CA 94538-2310.
- What is Stephanie Aoki's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Aoki is (510) 494-4000.
- Does Stephanie Aoki accept Medicare?
- Stephanie Aoki is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Aoki's NPI active?
- Yes — Stephanie Aoki's NPI (1427721216) is active in the NPPES registry as of the last update on 2024-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.