Joyce Keefer
NPI 1639119522 · Hearing Instrument Specialist · Sun City, AZ
Joyce Keefer is a Hearing Instrument Specialist provider in Sun City, AZ (NPI 1639119522).
Provider details
- NPI number
- 1639119522
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1364 (AZ)
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
20 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
- 2006-06-07
- Last updated
- 2008-10-03
Frequently asked questions
- What is Joyce Keefer's NPI number?
- Joyce Keefer's National Provider Identifier (NPI) is 1639119522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joyce Keefer's specialty?
- Joyce Keefer is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Joyce Keefer located?
- Joyce Keefer's practice location on file with NPPES is 15440 N 99th Ave, Sun City, AZ 85351-1962.
- What is Joyce Keefer's phone number?
- The practice phone number listed in the NPPES registry for Joyce Keefer is (623) 977-3203.
- Is Joyce Keefer's NPI active?
- Yes — Joyce Keefer's NPI (1639119522) is active in the NPPES registry as of the last update on 2008-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.