Barbara Slaymaker, MS- CCC-A
NPI 1902971096 · Audiologist · Union City, CA
Enrolled with Medicare as Practitioner - Qualified Audiologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Slaymaker, MS- CCC-A is a Audiologist provider in Union City, CA (NPI 1902971096).
Provider details
- NPI number
- 1902971096
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- MS- CCC-A
- Sex
- Female
- Sole proprietor
- No
- License
- HA3366 (CA)
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
19 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
- 2006-11-22
- Last updated
- 2021-12-30
Frequently asked questions
- What is Barbara Slaymaker's NPI number?
- Barbara Slaymaker's National Provider Identifier (NPI) is 1902971096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Slaymaker's specialty?
- Barbara Slaymaker is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Barbara Slaymaker located?
- Barbara Slaymaker's practice location on file with NPPES is 3553 Whipple Rd, Union City, CA 94587-1507.
- What is Barbara Slaymaker's phone number?
- The practice phone number listed in the NPPES registry for Barbara Slaymaker is (510) 675-2001.
- Does Barbara Slaymaker accept Medicare?
- Barbara Slaymaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Slaymaker's NPI active?
- Yes — Barbara Slaymaker's NPI (1902971096) is active in the NPPES registry as of the last update on 2021-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.