Robert Ressler, PH.D.
NPI 1629377353 · Psychologist · Keaau, HI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Ressler, PH.D. is a Psychologist provider in Keaau, HI (NPI 1629377353).
Provider details
- NPI number
- 1629377353
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1247 (HI)
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
15 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
- 2011-03-21
- Last updated
- 2011-03-21
Frequently asked questions
- What is Robert Ressler's NPI number?
- Robert Ressler's National Provider Identifier (NPI) is 1629377353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Ressler's specialty?
- Robert Ressler is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Robert Ressler located?
- Robert Ressler's practice location on file with NPPES is Hc 1 Box 5386, Keaau, HI 96749-8505.
- What is Robert Ressler's phone number?
- The practice phone number listed in the NPPES registry for Robert Ressler is (808) 937-8926.
- Does Robert Ressler accept Medicare?
- Robert Ressler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Ressler's NPI active?
- Yes — Robert Ressler's NPI (1629377353) is active in the NPPES registry as of the last update on 2011-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.