Russell Masterson, PHD
NPI 1851339220 · Health Service Psychologist · Naples, FL
Russell Masterson, PHD is a Health Service Psychologist provider in Naples, FL (NPI 1851339220).
Provider details
- NPI number
- 1851339220
- Entity type
- Individual
- Primary specialty
- Health Service PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- FL2435 (FL)
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
20 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
- 2006-06-04
- Last updated
- 2008-09-15
Frequently asked questions
- What is Russell Masterson's NPI number?
- Russell Masterson's National Provider Identifier (NPI) is 1851339220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Russell Masterson's specialty?
- Russell Masterson is listed in the NPPES registry with a primary specialty of Health Service Psychologist (Behavioral Health & Social Service Providers).
- Where is Russell Masterson located?
- Russell Masterson's practice location on file with NPPES is 878 109th Ave N, Naples, FL 34108-1821.
- What is Russell Masterson's phone number?
- The practice phone number listed in the NPPES registry for Russell Masterson is (239) 596-8416.
- Is Russell Masterson's NPI active?
- Yes — Russell Masterson's NPI (1851339220) is active in the NPPES registry as of the last update on 2008-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.