Ariel Takayanagi, DO
NPI 1023501582 · Neurological Surgery Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariel Takayanagi, DO is a Neurological Surgery Physician provider in Stanford, CA (NPI 1023501582).
Provider details
- NPI number
- 1023501582
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A17764 (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
8 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
- 2018-06-10
- Last updated
- 2025-07-21
- Certified
- 2025-07-21
Frequently asked questions
- What is Ariel Takayanagi's NPI number?
- Ariel Takayanagi's National Provider Identifier (NPI) is 1023501582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariel Takayanagi's specialty?
- Ariel Takayanagi is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ariel Takayanagi located?
- Ariel Takayanagi's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Ariel Takayanagi's phone number?
- The practice phone number listed in the NPPES registry for Ariel Takayanagi is (650) 721-6295.
- Does Ariel Takayanagi accept Medicare?
- Ariel Takayanagi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariel Takayanagi's NPI active?
- Yes — Ariel Takayanagi's NPI (1023501582) is active in the NPPES registry as of the last update on 2025-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.