David Hellwig, PHD
NPI 1851431977 · Clinical Psychologist · Fresno, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Hellwig, PHD is a Clinical Psychologist provider in Fresno, CA (NPI 1851431977).
Provider details
- NPI number
- 1851431977
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY14566 (CA)
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
- 2007-02-07
- Last updated
- 2013-09-23
Frequently asked questions
- What is David Hellwig's NPI number?
- David Hellwig's National Provider Identifier (NPI) is 1851431977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Hellwig's specialty?
- David Hellwig is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is David Hellwig located?
- David Hellwig's practice location on file with NPPES is 1357 W Shaw Ave, Fresno, CA 93711-3618.
- What is David Hellwig's phone number?
- The practice phone number listed in the NPPES registry for David Hellwig is (559) 227-4800.
- Does David Hellwig accept Medicare?
- David Hellwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Hellwig's NPI active?
- Yes — David Hellwig's NPI (1851431977) is active in the NPPES registry as of the last update on 2013-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.