Linda Vassallo, M.A.
NPI 1538448881 · Audiologist · San Mateo, CA
Enrolled with Medicare as Practitioner - Qualified Audiologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linda Vassallo, M.A. is a Audiologist provider in San Mateo, CA (NPI 1538448881).
Provider details
- NPI number
- 1538448881
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- No
- License
- 1601000582 (MI)
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
14 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
- 2011-08-04
- Last updated
- 2022-06-02
- Certified
- 2022-06-02
Frequently asked questions
- What is Linda Vassallo's NPI number?
- Linda Vassallo's National Provider Identifier (NPI) is 1538448881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Vassallo's specialty?
- Linda Vassallo is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Linda Vassallo located?
- Linda Vassallo's practice location on file with NPPES is 100 S Ellsworth Ave Ste 711, San Mateo, CA 94401-3927.
- What is Linda Vassallo's phone number?
- The practice phone number listed in the NPPES registry for Linda Vassallo is (650) 579-4470.
- Does Linda Vassallo accept Medicare?
- Linda Vassallo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linda Vassallo's NPI active?
- Yes — Linda Vassallo's NPI (1538448881) is active in the NPPES registry as of the last update on 2022-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.