Zephaniah Ewingchow
NPI 1043881980 · Speech-Language Assistant · Ontario, CA
Zephaniah Ewingchow is a Speech-Language Assistant provider in Ontario, CA (NPI 1043881980).
Provider details
- NPI number
- 1043881980
- Entity type
- Individual
- Primary specialty
- Speech-Language AssistantSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Speech, Language and Hearing 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
83% 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
- 2021-07-01
- Last updated
- 2021-07-01
- Certified
- 2021-07-01
Frequently asked questions
- What is Zephaniah Ewingchow's NPI number?
- Zephaniah Ewingchow's National Provider Identifier (NPI) is 1043881980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zephaniah Ewingchow's specialty?
- Zephaniah Ewingchow is listed in the NPPES registry with a primary specialty of Speech-Language Assistant (Speech, Language and Hearing Service Providers).
- Where is Zephaniah Ewingchow located?
- Zephaniah Ewingchow's practice location on file with NPPES is 1500 S Haven Ave Ste 190, Ontario, CA 91761-2971.
- What is Zephaniah Ewingchow's phone number?
- The practice phone number listed in the NPPES registry for Zephaniah Ewingchow is (909) 390-1313.
- Is Zephaniah Ewingchow's NPI active?
- Yes — Zephaniah Ewingchow's NPI (1043881980) is active in the NPPES registry as of the last update on 2021-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.