Earl Nielsen, PH.D.
NPI 1043338593 · Clinical Psychologist · Reno, NV
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Earl Nielsen, PH.D. is a Clinical Psychologist provider in Reno, NV (NPI 1043338593).
Provider details
- NPI number
- 1043338593
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PY099 (NV)
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
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
- 2007-03-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Earl Nielsen's NPI number?
- Earl Nielsen's National Provider Identifier (NPI) is 1043338593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Earl Nielsen's specialty?
- Earl Nielsen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Earl Nielsen located?
- Earl Nielsen's practice location on file with NPPES is 834 Willow St, Reno, NV 89502-1304.
- What is Earl Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Earl Nielsen is (775) 323-6766.
- Does Earl Nielsen accept Medicare?
- Earl Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Earl Nielsen's NPI active?
- Yes — Earl Nielsen's NPI (1043338593) 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.