Danielle Mazzari
NPI 1255901526 · Speech-Language Pathologist · Washington, DC
Danielle Mazzari is a Speech-Language Pathologist provider in Washington, DC (NPI 1255901526).
Provider details
- NPI number
- 1255901526
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
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
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2021-06-29
- Last updated
- 2021-06-29
- Certified
- 2021-06-29
Frequently asked questions
- What is Danielle Mazzari's NPI number?
- Danielle Mazzari's National Provider Identifier (NPI) is 1255901526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Danielle Mazzari's specialty?
- Danielle Mazzari is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Danielle Mazzari located?
- Danielle Mazzari's practice location on file with NPPES is 1200 1st St Ne Fl 9, Washington, DC 20002-7953.
- What is Danielle Mazzari's phone number?
- The practice phone number listed in the NPPES registry for Danielle Mazzari is (202) 442-5885.
- Is Danielle Mazzari's NPI active?
- Yes — Danielle Mazzari's NPI (1255901526) is active in the NPPES registry as of the last update on 2021-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.