Gianna Marinai-Davy, MS SLP CCC
NPI 1578421947 · Speech-Language Pathologist · Healdsburg, CA
Gianna Marinai-Davy, MS SLP CCC is a Speech-Language Pathologist provider in Healdsburg, CA (NPI 1578421947).
Provider details
- NPI number
- 1578421947
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS SLP CCC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 37877 (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
- 2026-01-13
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Gianna Marinai-Davy's NPI number?
- Gianna Marinai-Davy's National Provider Identifier (NPI) is 1578421947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gianna Marinai-Davy's specialty?
- Gianna Marinai-Davy is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Gianna Marinai-Davy located?
- Gianna Marinai-Davy's practice location on file with NPPES is 201 Spur Ridge Ln, Healdsburg, CA 95448-8094.
- What is Gianna Marinai-Davy's phone number?
- The practice phone number listed in the NPPES registry for Gianna Marinai-Davy is (510) 506-3395.
- Is Gianna Marinai-Davy's NPI active?
- Yes — Gianna Marinai-Davy's NPI (1578421947) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.