Hayley Casserly
NPI 1912787227 · Speech-Language Pathologist · Whittier, CA
Hayley Casserly is a Speech-Language Pathologist provider in Whittier, CA (NPI 1912787227).
Provider details
- NPI number
- 1912787227
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 32827 (CA)
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
2 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
- 2023-10-03
- Last updated
- 2023-10-03
- Certified
- 2023-10-03
Frequently asked questions
- What is Hayley Casserly's NPI number?
- Hayley Casserly's National Provider Identifier (NPI) is 1912787227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hayley Casserly's specialty?
- Hayley Casserly is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Hayley Casserly located?
- Hayley Casserly's practice location on file with NPPES is 12411 Slauson Ave, Whittier, CA 90606-2835.
- What is Hayley Casserly's phone number?
- The practice phone number listed in the NPPES registry for Hayley Casserly is (562) 693-5449.
- Is Hayley Casserly's NPI active?
- Yes — Hayley Casserly's NPI (1912787227) is active in the NPPES registry as of the last update on 2023-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.