Charles Berthold, PH.D.
NPI 1285749986 · Clinical Psychologist · St Charles, IL
Charles Berthold, PH.D. is a Clinical Psychologist provider in St Charles, IL (NPI 1285749986).
Provider details
- NPI number
- 1285749986
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
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
83% 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
- 2006-08-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Berthold's NPI number?
- Charles Berthold's National Provider Identifier (NPI) is 1285749986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Berthold's specialty?
- Charles Berthold is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Charles Berthold located?
- Charles Berthold's practice location on file with NPPES is 405 Illinois Ave, St Charles, IL 60174-2963.
- What is Charles Berthold's phone number?
- The practice phone number listed in the NPPES registry for Charles Berthold is (630) 377-3535.
- Is Charles Berthold's NPI active?
- Yes — Charles Berthold's NPI (1285749986) 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.