IndividualActive
John Chyan
NPI 1154904654 · Behavior Technician · Hayward, CA
John Chyan is a Behavior Technician provider in Hayward, CA (NPI 1154904654).
Provider details
- NPI number
- 1154904654
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
1180 B St
Hayward, CA 94541-4202
Phone: (855) 223-7123
Street-level locationGet directions
Mailing address
16782 Von Karman Ave Ste 11
Irvine, CA 92606-2417
Registry dates
- Enumerated
- 2021-05-03
- Last updated
- 2021-05-03
- Certified
- 2021-05-03
Frequently asked questions
- What is John Chyan's NPI number?
- John Chyan's National Provider Identifier (NPI) is 1154904654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chyan's specialty?
- John Chyan is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is John Chyan located?
- John Chyan's practice location on file with NPPES is 1180 B St, Hayward, CA 94541-4202.
- What is John Chyan's phone number?
- The practice phone number listed in the NPPES registry for John Chyan is (855) 223-7123.
- Is John Chyan's NPI active?
- Yes — John Chyan's NPI (1154904654) is active in the NPPES registry as of the last update on 2021-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.