Christina Duca
NPI 1639649098 · Hearing Instrument Specialist · Yuba City, CA
Christina Duca is a Hearing Instrument Specialist provider in Yuba City, CA (NPI 1639649098).
Provider details
- NPI number
- 1639649098
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- HA6055 (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
- 2018-11-28
- Last updated
- 2018-11-28
Frequently asked questions
- What is Christina Duca's NPI number?
- Christina Duca's National Provider Identifier (NPI) is 1639649098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Duca's specialty?
- Christina Duca is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Christina Duca located?
- Christina Duca's practice location on file with NPPES is 1139 Gray Ave Ste B, Yuba City, CA 95991-3211.
- What is Christina Duca's phone number?
- The practice phone number listed in the NPPES registry for Christina Duca is (530) 673-7511.
- Is Christina Duca's NPI active?
- Yes — Christina Duca's NPI (1639649098) is active in the NPPES registry as of the last update on 2018-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.