Matthew Nielsen
NPI 1346317740 · Clinical Psychologist · Nellis Afb, NV
Enrolled with Medicare as Order and Referring Only - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Nielsen is a Clinical Psychologist provider in Nellis Afb, NV (NPI 1346317740).
Provider details
- NPI number
- 1346317740
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4079 (AZ)
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
- 2006-11-29
- Last updated
- 2016-06-22
Frequently asked questions
- What is Matthew Nielsen's NPI number?
- Matthew Nielsen's National Provider Identifier (NPI) is 1346317740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Nielsen's specialty?
- Matthew Nielsen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Nielsen located?
- Matthew Nielsen's practice location on file with NPPES is 4700 Las Vegas Blvd N, Nellis Afb, NV 89191-6600.
- What is Matthew Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Matthew Nielsen is (702) 653-3880.
- Does Matthew Nielsen accept Medicare?
- Matthew Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Nielsen's NPI active?
- Yes — Matthew Nielsen's NPI (1346317740) is active in the NPPES registry as of the last update on 2016-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.