Joanne Santos
NPI 1285563221 · Speech-Language Pathologist · Diamond Bar, CA
Joanne Santos is a Speech-Language Pathologist provider in Diamond Bar, CA (NPI 1285563221).
Provider details
- NPI number
- 1285563221
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 28189 (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
Under 1 yr in 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
- 2026-05-15
- Last updated
- 2026-05-15
- Certified
- 2026-05-15
Frequently asked questions
- What is Joanne Santos's NPI number?
- Joanne Santos's National Provider Identifier (NPI) is 1285563221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Santos's specialty?
- Joanne Santos is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Joanne Santos located?
- Joanne Santos's practice location on file with NPPES is 23921 Sapphire Canyon Rd, Diamond Bar, CA 91765-1141.
- What is Joanne Santos's phone number?
- The practice phone number listed in the NPPES registry for Joanne Santos is (909) 800-4799.
- Is Joanne Santos's NPI active?
- Yes — Joanne Santos's NPI (1285563221) is active in the NPPES registry as of the last update on 2026-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.