Tracy Gwin
NPI 1487599619 · Speech-Language Pathologist · Mill Valley, CA
Tracy Gwin is a Speech-Language Pathologist provider in Mill Valley, CA (NPI 1487599619).
Provider details
- NPI number
- 1487599619
- 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
Under 1 yr in 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
- 2026-04-22
- Last updated
- 2026-04-22
- Certified
- 2026-04-22
Frequently asked questions
- What is Tracy Gwin's NPI number?
- Tracy Gwin's National Provider Identifier (NPI) is 1487599619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tracy Gwin's specialty?
- Tracy Gwin is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Tracy Gwin located?
- Tracy Gwin's practice location on file with NPPES is 1058 Redwood Hwy Frontage Rd, Mill Valley, CA 94941-1621.
- What is Tracy Gwin's phone number?
- The practice phone number listed in the NPPES registry for Tracy Gwin is (415) 924-2444.
- Is Tracy Gwin's NPI active?
- Yes — Tracy Gwin's NPI (1487599619) is active in the NPPES registry as of the last update on 2026-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.