Harald Lettner, PHD
NPI 1063523678 · Clinical Neuropsychologist · Naples, FL
Harald Lettner, PHD is a Clinical Neuropsychologist provider in Naples, FL (NPI 1063523678).
Provider details
- NPI number
- 1063523678
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PY4878 (FL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 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
- 2006-08-31
- Last updated
- 2015-02-18
Frequently asked questions
- What is Harald Lettner's NPI number?
- Harald Lettner's National Provider Identifier (NPI) is 1063523678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harald Lettner's specialty?
- Harald Lettner is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Harald Lettner located?
- Harald Lettner's practice location on file with NPPES is 501 Goodlette Rd N, Naples, FL 34102-5661.
- What is Harald Lettner's phone number?
- The practice phone number listed in the NPPES registry for Harald Lettner is (239) 434-6111.
- Is Harald Lettner's NPI active?
- Yes — Harald Lettner's NPI (1063523678) is active in the NPPES registry as of the last update on 2015-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.