Nancy S. Knox
Speech-Language Pathologist · Encino, CA
Nancy S. Knox is a speech-language pathologist with a practice address in Encino, California, and NPI 1275745440, issued on May 3, 2007. Check the license (California SP 4424, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nancy S. Knox
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- SP 4424 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4841 Swinton Ave, Encino, CA 91436
- Phone
- (818) 983-2503
- Enumerated
- May 3, 2007
- Record last updated
- Jul 21, 2022
- Fax
- (818) 763-3838
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 13,141 in California → Look up another NPI →
Verify Nancy S. Knox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license SP 4424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nancy S. Knox among 13,141 speech-language pathologist records in California
Nancy S. Knox is one of 13,141 speech-language pathologist records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 2% of them.
- NPI issued2007 · 2% of these records are older, 93% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2022 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 speech-language pathologist records list a practice address in Encino
They are 158 of the 3,136 NPPES records with a practice address in Encino, and 13,141 speech-language pathologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,141 in California → Every provider in Encino → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Louise AltmanEncino, CA 914361740443811
- Janelle DempseyEncino, CA 914361588891915
- Cheryl Determan, CCC-SLPEncino, CA 914361508091091
- Ana Fragoso, MS, C.C.C.Encino, CA 914361710184411
- Dalya Gutgold, SLPEncino, CA 914361518278720
- Karen Mandel, M. S.Encino, CA 914361912050022
- Laurie Martin, MHSC. CCC-SLPEncino, CA 914361417101106
- Dalya MeiselsEncino, CA 914361376772749
Common questions
What is Nancy S. Knox's NPI number?
Nancy S. Knox's National Provider Identifier (NPI) is 1275745440, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nancy S. Knox located?
The NPPES record lists a practice address at 4841 Swinton Ave, Encino, CA, 91436. Phone: (818) 983-2503. Providers update this record themselves, so call before visiting.
How can I verify Nancy S. Knox's license?
NPPES lists California license number SP 4424, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.