Katherine Terhardt
NPI 1255280160 · Speech-Language Pathologist · Lake Forest, CA
Katherine Terhardt is a Speech-Language Pathologist provider in Lake Forest, CA (NPI 1255280160).
Provider details
- NPI number
- 1255280160
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 21570 (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
2 documented practice locations
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
Additional practice locations (1)
- 29811 Santa Margarita Pkwy Ste 600Rsm, CA 92688-3617Phone: (949) 600-5439
Registry dates
- Enumerated
- 2026-01-23
- Last updated
- 2026-01-23
- Certified
- 2026-01-23
Frequently asked questions
- What is Katherine Terhardt's NPI number?
- Katherine Terhardt's National Provider Identifier (NPI) is 1255280160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Terhardt's specialty?
- Katherine Terhardt is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Katherine Terhardt located?
- Katherine Terhardt's practice location on file with NPPES is 25531 Commercentre Dr Ste 120, Lake Forest, CA 92630-8874.
- What is Katherine Terhardt's phone number?
- The practice phone number listed in the NPPES registry for Katherine Terhardt is (949) 600-5437.
- Is Katherine Terhardt's NPI active?
- Yes — Katherine Terhardt's NPI (1255280160) is active in the NPPES registry as of the last update on 2026-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.