Kathleen Drost, SLP
NPI 1164353892 · Speech-Language Pathologist · Yorba Linda, CA
Kathleen Drost, SLP is a Speech-Language Pathologist provider in Yorba Linda, CA (NPI 1164353892).
Provider details
- NPI number
- 1164353892
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5439 (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
Under 1 yr in 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
- 2026-05-29
- Last updated
- 2026-05-29
- Certified
- 2026-05-29
Frequently asked questions
- What is Kathleen Drost's NPI number?
- Kathleen Drost's National Provider Identifier (NPI) is 1164353892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Drost's specialty?
- Kathleen Drost is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Kathleen Drost located?
- Kathleen Drost's practice location on file with NPPES is 21850 Feather Ave, Yorba Linda, CA 92887-3709.
- What is Kathleen Drost's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Drost is (714) 329-0515.
- Is Kathleen Drost's NPI active?
- Yes — Kathleen Drost's NPI (1164353892) is active in the NPPES registry as of the last update on 2026-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.