Rhiannon Ducey, PHD
NPI 1558515668 · Psychologist · Knoxville, TN
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rhiannon Ducey, PHD is a Psychologist provider in Knoxville, TN (NPI 1558515668).
Provider details
- NPI number
- 1558515668
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- P3016 (TN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-11-17
- Last updated
- 2011-12-15
Frequently asked questions
- What is Rhiannon Ducey's NPI number?
- Rhiannon Ducey's National Provider Identifier (NPI) is 1558515668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rhiannon Ducey's specialty?
- Rhiannon Ducey is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Rhiannon Ducey located?
- Rhiannon Ducey's practice location on file with NPPES is 2018 Western Ave, Knoxville, TN 37921-5718.
- What is Rhiannon Ducey's phone number?
- The practice phone number listed in the NPPES registry for Rhiannon Ducey is (865) 544-0406.
- Does Rhiannon Ducey accept Medicare?
- Rhiannon Ducey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rhiannon Ducey's NPI active?
- Yes — Rhiannon Ducey's NPI (1558515668) is active in the NPPES registry as of the last update on 2011-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.