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Brendan Whistler
NPI 1619646940 · Behavior Technician · San Mateo, CA
Brendan Whistler is a Behavior Technician provider in San Mateo, CA (NPI 1619646940).
Provider details
- NPI number
- 1619646940
- 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(55/100 index)
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
1710 S Amphlett Blvd Ste 220
San Mateo, CA 94402-2705
Phone: (650) 931-6300
Street-level locationGet directions
Mailing address
1710 S Amphlett Blvd Ste 220
San Mateo, CA 94402-2705
Registry dates
- Enumerated
- 2021-09-09
- Last updated
- 2021-09-09
- Certified
- 2021-09-09
Frequently asked questions
- What is Brendan Whistler's NPI number?
- Brendan Whistler's National Provider Identifier (NPI) is 1619646940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Whistler's specialty?
- Brendan Whistler is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Brendan Whistler located?
- Brendan Whistler's practice location on file with NPPES is 1710 S Amphlett Blvd Ste 220, San Mateo, CA 94402-2705.
- What is Brendan Whistler's phone number?
- The practice phone number listed in the NPPES registry for Brendan Whistler is (650) 931-6300.
- Is Brendan Whistler's NPI active?
- Yes — Brendan Whistler's NPI (1619646940) is active in the NPPES registry as of the last update on 2021-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.