What is William Mcneil's NPI number?

William Mcneil's National Provider Identifier (NPI) is 1841127198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Mcneil's specialty?

William Mcneil is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is William Mcneil located?

William Mcneil's practice location on file with NPPES is 1399 Ygnacio Valley Rd Ste 210b, Walnut Creek, CA 94598-2860.

What is William Mcneil's phone number?

The practice phone number listed in the NPPES registry for William Mcneil is (925) 307-9145.

Is William Mcneil's NPI active?

Yes — William Mcneil's NPI (1841127198) is active in the NPPES registry as of the last update on 2026-05-08.

IndividualActive

William Mcneil

NPI 1841127198 · Behavior Technician · Walnut Creek, CA

William Mcneil is a Behavior Technician provider in Walnut Creek, CA (NPI 1841127198).

Provider details

NPI number: 1841127198
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 index)

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
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

1399 Ygnacio Valley Rd Ste 210b

Walnut Creek, CA 94598-2860

Phone: (925) 307-9145

Street-level locationGet directions

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Mailing address