Marjorie Diefenbach, CPRS
NPI 1033517164 · Mental Health Counselor · Knoxville, TN
Marjorie Diefenbach, CPRS is a Mental Health Counselor provider in Knoxville, TN (NPI 1033517164).
Provider details
- NPI number
- 1033517164
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- CPRS
- Sex
- Female
- Sole proprietor
- No
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
11 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2014-12-05
- Last updated
- 2014-12-05
Frequently asked questions
- What is Marjorie Diefenbach's NPI number?
- Marjorie Diefenbach's National Provider Identifier (NPI) is 1033517164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Diefenbach's specialty?
- Marjorie Diefenbach is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marjorie Diefenbach located?
- Marjorie Diefenbach's practice location on file with NPPES is 1451 Dowell Springs Blvd, Knoxville, TN 37909-2441.
- What is Marjorie Diefenbach's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Diefenbach is (865) 970-9800.
- Is Marjorie Diefenbach's NPI active?
- Yes — Marjorie Diefenbach's NPI (1033517164) is active in the NPPES registry as of the last update on 2014-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.