Garrett Oyama, M.S. CCC, SLP
NPI 1427538941 · Speech-Language Pathologist · Vallejo, CA
Garrett Oyama, M.S. CCC, SLP is a Speech-Language Pathologist provider in Vallejo, CA (NPI 1427538941).
Provider details
- NPI number
- 1427538941
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S. CCC, SLP
- Sex
- Male
- Sole proprietor
- No
- License
- 24823 (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
7 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
- 2018-08-14
- Last updated
- 2018-08-14
Frequently asked questions
- What is Garrett Oyama's NPI number?
- Garrett Oyama's National Provider Identifier (NPI) is 1427538941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Garrett Oyama's specialty?
- Garrett Oyama is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Garrett Oyama located?
- Garrett Oyama's practice location on file with NPPES is 195 Glen Cove Marina Rd E # 202, Vallejo, CA 94591-7285.
- What is Garrett Oyama's phone number?
- The practice phone number listed in the NPPES registry for Garrett Oyama is (707) 651-9915.
- Is Garrett Oyama's NPI active?
- Yes — Garrett Oyama's NPI (1427538941) is active in the NPPES registry as of the last update on 2018-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.