Johanna Diaz, M.S., CC-SLP
NPI 1790171759 · Speech-Language Pathologist · Silver Spring, MD
Johanna Diaz, M.S., CC-SLP is a Speech-Language Pathologist provider in Silver Spring, MD (NPI 1790171759).
Provider details
- NPI number
- 1790171759
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S., CC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 06519 (MD)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
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
11 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
- 2015-04-07
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Johanna Diaz's NPI number?
- Johanna Diaz's National Provider Identifier (NPI) is 1790171759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna Diaz's specialty?
- Johanna Diaz is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Johanna Diaz located?
- Johanna Diaz's practice location on file with NPPES is 900 Jackson Rd, Silver Spring, MD 20904-2807.
- What is Johanna Diaz's phone number?
- The practice phone number listed in the NPPES registry for Johanna Diaz is (301) 659-4363.
- Is Johanna Diaz's NPI active?
- Yes — Johanna Diaz's NPI (1790171759) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.