Hallmark Psychological Services, PLLC
NPI 1780455493 · Mental Health Clinic/Center (Including Community Mental Health Center) · Houston, TX
Hallmark Psychological Services, PLLC is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Houston, TX (NPI 1780455493).
Provider details
- NPI number
- 1780455493
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Charles Hallmark, Psychologist(917) 509-5103
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
Other names (DBA / former)
- Doing business as
- Hallmark Psychological Services
Registry dates
- Enumerated
- 2024-01-11
- Last updated
- 2024-01-11
- Certified
- 2024-01-11
Frequently asked questions
- What is Hallmark Psychological Services, PLLC's NPI number?
- Hallmark Psychological Services, PLLC's National Provider Identifier (NPI) is 1780455493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hallmark Psychological Services, PLLC?
- Hallmark Psychological Services, PLLC is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Hallmark Psychological Services, PLLC located?
- Hallmark Psychological Services, PLLC's practice location on file with NPPES is 1901 Post Oak Park Dr Apt 8201, Houston, TX 77027-3373.
- What is Hallmark Psychological Services, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Hallmark Psychological Services, PLLC is (917) 509-5103.
- Who is the authorized official for Hallmark Psychological Services, PLLC?
- The authorized official listed on Hallmark Psychological Services, PLLC's NPPES record is Charles Hallmark, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hallmark Psychological Services, PLLC's NPI active?
- Yes — Hallmark Psychological Services, PLLC's NPI (1780455493) is active in the NPPES registry as of the last update on 2024-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.