Kathryn Markham, CCC-SLP
NPI 1538837810 · Speech-Language Pathologist · San Marcos, TX
Kathryn Markham, CCC-SLP is a Speech-Language Pathologist provider in San Marcos, TX (NPI 1538837810).
Provider details
- NPI number
- 1538837810
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 112435 (TX)
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
4 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
- 2021-09-01
- Last updated
- 2021-09-01
- Certified
- 2021-09-01
Frequently asked questions
- What is Kathryn Markham's NPI number?
- Kathryn Markham's National Provider Identifier (NPI) is 1538837810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Markham's specialty?
- Kathryn Markham is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Kathryn Markham located?
- Kathryn Markham's practice location on file with NPPES is 1437 Post Rd, San Marcos, TX 78666-5805.
- What is Kathryn Markham's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Markham is (830) 391-7028.
- Is Kathryn Markham's NPI active?
- Yes — Kathryn Markham's NPI (1538837810) is active in the NPPES registry as of the last update on 2021-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.