Carol Siem, MS, CCC-SLP
NPI 1548551773 · Speech-Language Pathologist · Los Angeles, CA
Carol Siem, MS, CCC-SLP is a Speech-Language Pathologist provider in Los Angeles, CA (NPI 1548551773).
Provider details
- NPI number
- 1548551773
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 13863 (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
15 yrs in NPPES 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)
- 15523 Cohasset StVan Nuys, CA 91406-3305Phone: (818) 984-3224
Registry dates
- Enumerated
- 2011-04-21
- Last updated
- 2026-05-20
- Certified
- 2026-05-20
Frequently asked questions
- What is Carol Siem's NPI number?
- Carol Siem's National Provider Identifier (NPI) is 1548551773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Siem's specialty?
- Carol Siem is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Carol Siem located?
- Carol Siem's practice location on file with NPPES is 333 S Beaudry Ave, Los Angeles, CA 90017-1466.
- What is Carol Siem's phone number?
- The practice phone number listed in the NPPES registry for Carol Siem is (213) 241-0609.
- Is Carol Siem's NPI active?
- Yes — Carol Siem's NPI (1548551773) is active in the NPPES registry as of the last update on 2026-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.