Naohisa Yahagi, MD
NPI 1629916887 · Gastroenterology Physician · Stanford, CA
Naohisa Yahagi, MD is a Gastroenterology Physician provider in Stanford, CA (NPI 1629916887).
Provider details
- NPI number
- 1629916887
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- SFP58 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-03-23
- Last updated
- 2026-04-20
- Certified
- 2026-04-20
Frequently asked questions
- What is Naohisa Yahagi's NPI number?
- Naohisa Yahagi's National Provider Identifier (NPI) is 1629916887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naohisa Yahagi's specialty?
- Naohisa Yahagi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Naohisa Yahagi located?
- Naohisa Yahagi's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Naohisa Yahagi's phone number?
- The practice phone number listed in the NPPES registry for Naohisa Yahagi is (650) 723-4000.
- Is Naohisa Yahagi's NPI active?
- Yes — Naohisa Yahagi's NPI (1629916887) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.