South Bay Hearing & Balance Center
NPI 1780022624 · Audiologist-Hearing Aid Fitter · Mission Viejo, CA
South Bay Hearing & Balance Center is a Audiologist-Hearing Aid Fitter organization in Mission Viejo, CA (NPI 1780022624).
Provider details
- NPI number
- 1780022624
- Entity type
- Organization
- Primary specialty
- Audiologist-Hearing Aid FitterSpeech, Language and Hearing Service Providers
- Parent organization
- South Bay Hearing & Balance Center
- Organization subpart
- Yes
- Authorized official
- Ian Gerszewski, Owner(310) 375-6161
- License
- AU645 (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
13 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
Other names (DBA / former)
- Doing business as
- Mission Audiology
Registry dates
- Enumerated
- 2013-06-13
- Last updated
- 2025-04-02
- Certified
- 2025-04-02
Frequently asked questions
- What is South Bay Hearing & Balance Center's NPI number?
- South Bay Hearing & Balance Center's National Provider Identifier (NPI) is 1780022624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is South Bay Hearing & Balance Center?
- South Bay Hearing & Balance Center is classified in the NPPES registry as Audiologist-Hearing Aid Fitter (Speech, Language and Hearing Service Providers).
- Where is South Bay Hearing & Balance Center located?
- South Bay Hearing & Balance Center's practice location on file with NPPES is 26302 La Paz Rd Ste 107, Mission Viejo, CA 92691-5327.
- What is South Bay Hearing & Balance Center's phone number?
- The practice phone number listed in the NPPES registry for South Bay Hearing & Balance Center is (949) 855-7898.
- Who is the authorized official for South Bay Hearing & Balance Center?
- The authorized official listed on South Bay Hearing & Balance Center's NPPES record is Ian Gerszewski, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is South Bay Hearing & Balance Center's NPI active?
- Yes — South Bay Hearing & Balance Center's NPI (1780022624) is active in the NPPES registry as of the last update on 2025-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.