Helene Hoi, M.D.
NPI 1952609190 · Pediatrics Physician · Mountain View, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helene Hoi, M.D. is a Pediatrics Physician provider in Mountain View, CA (NPI 1952609190).
Provider details
- NPI number
- 1952609190
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A114945 (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
15 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
- 2011-03-12
- Last updated
- 2023-03-07
Frequently asked questions
- What is Helene Hoi's NPI number?
- Helene Hoi's National Provider Identifier (NPI) is 1952609190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helene Hoi's specialty?
- Helene Hoi is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Helene Hoi located?
- Helene Hoi's practice location on file with NPPES is 701 E El Camino Real, Mountain View, CA 94040-2833.
- What is Helene Hoi's phone number?
- The practice phone number listed in the NPPES registry for Helene Hoi is (650) 934-7956.
- Does Helene Hoi accept Medicare?
- Helene Hoi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helene Hoi's NPI active?
- Yes — Helene Hoi's NPI (1952609190) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.