Diane Musselman, MSCCC-SLP
NPI 1821235334 · Speech-Language Pathologist · Agoura Hills, CA
Diane Musselman, MSCCC-SLP is a Speech-Language Pathologist provider in Agoura Hills, CA (NPI 1821235334).
Provider details
- NPI number
- 1821235334
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MSCCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 9456 (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
17 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
- 2009-01-21
- Last updated
- 2009-01-21
Frequently asked questions
- What is Diane Musselman's NPI number?
- Diane Musselman's National Provider Identifier (NPI) is 1821235334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Musselman's specialty?
- Diane Musselman is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Diane Musselman located?
- Diane Musselman's practice location on file with NPPES is 5736 Skyview Way Unit E, Agoura Hills, CA 91301-5701.
- What is Diane Musselman's phone number?
- The practice phone number listed in the NPPES registry for Diane Musselman is (818) 706-9064.
- Is Diane Musselman's NPI active?
- Yes — Diane Musselman's NPI (1821235334) is active in the NPPES registry as of the last update on 2009-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.