IndividualActive
Thomas John
NPI 1528607843 · Speech-Language Pathologist · Sylmar, CA
Thomas John is a Speech-Language Pathologist provider in Sylmar, CA (NPI 1528607843).
Provider details
- NPI number
- 1528607843
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
12831 Maclay St
Sylmar, CA 91342-4934
Phone: (818) 361-4455
Street-level locationGet directions
Mailing address
29311 Via Estancia
Valencia, CA 91354-1572
Registry dates
- Enumerated
- 2020-01-03
- Last updated
- 2020-01-03
- Certified
- 2020-01-03
Frequently asked questions
- What is Thomas John's NPI number?
- Thomas John's National Provider Identifier (NPI) is 1528607843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas John's specialty?
- Thomas John is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Thomas John located?
- Thomas John's practice location on file with NPPES is 12831 Maclay St, Sylmar, CA 91342-4934.
- What is Thomas John's phone number?
- The practice phone number listed in the NPPES registry for Thomas John is (818) 361-4455.
- Is Thomas John's NPI active?
- Yes — Thomas John's NPI (1528607843) is active in the NPPES registry as of the last update on 2020-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.