David Mercer, PSY.D.
NPI 1255470647 · Clinical Psychologist · Houston, TX
David Mercer, PSY.D. is a Clinical Psychologist provider in Houston, TX (NPI 1255470647).
Provider details
- NPI number
- 1255470647
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 26603 (TX)
Specialties & taxonomies
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
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
- 2007-02-05
- Last updated
- 2011-04-20
Frequently asked questions
- What is David Mercer's NPI number?
- David Mercer's National Provider Identifier (NPI) is 1255470647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Mercer's specialty?
- David Mercer is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is David Mercer located?
- David Mercer's practice location on file with NPPES is 4314 Yoakum Blvd, Houston, TX 77006-5818.
- What is David Mercer's phone number?
- The practice phone number listed in the NPPES registry for David Mercer is (713) 850-0049.
- Is David Mercer's NPI active?
- Yes — David Mercer's NPI (1255470647) is active in the NPPES registry as of the last update on 2011-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.