William Kieffer, PH.D
NPI 1619964285 · Clinical Social Worker · Travis Afb, CA
William Kieffer, PH.D is a Clinical Social Worker provider in Travis Afb, CA (NPI 1619964285).
Provider details
- NPI number
- 1619964285
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- License
- 174 (MT)
Specialties & taxonomies
Behavioral Health & Social 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
- 2005-09-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Kieffer's NPI number?
- William Kieffer's National Provider Identifier (NPI) is 1619964285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kieffer's specialty?
- William Kieffer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Kieffer located?
- William Kieffer's practice location on file with NPPES is 101 Bodin Cir, Travis Afb, CA 94535-1809.
- What is William Kieffer's phone number?
- The practice phone number listed in the NPPES registry for William Kieffer is (707) 423-3701.
- Is William Kieffer's NPI active?
- Yes — William Kieffer's NPI (1619964285) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.