Charles Hallmark
NPI 1275025553 · Psychologist · Spring, TX
Charles Hallmark is a Psychologist provider in Spring, TX (NPI 1275025553).
Provider details
- NPI number
- 1275025553
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counseling Psychologist103TC1900X
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
Behavioral Health & Social Service Providers
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
8 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
- 2018-06-03
- Last updated
- 2018-06-03
Frequently asked questions
- What is Charles Hallmark's NPI number?
- Charles Hallmark's National Provider Identifier (NPI) is 1275025553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Hallmark's specialty?
- Charles Hallmark is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Charles Hallmark located?
- Charles Hallmark's practice location on file with NPPES is 26010 Oak Ridge Dr Ste 107, Spring, TX 77380-1972.
- What is Charles Hallmark's phone number?
- The practice phone number listed in the NPPES registry for Charles Hallmark is (281) 815-0899.
- Is Charles Hallmark's NPI active?
- Yes — Charles Hallmark's NPI (1275025553) is active in the NPPES registry as of the last update on 2018-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.