Mary Demellier, PH.D.
Psychologist · Houston, TX
Mary Demellier, PH.D. is a psychologist with a practice address in Houston, Texas, and NPI 1831293281, issued on Sep 7, 2006. Check the license with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Demellier
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- Practice location
- 3400 Bissonnet, Houston, TX 77005
- Phone
- (713) 666-1980
- Enumerated
- Sep 7, 2006
- Entity
- Type 1 · individual
Also registered at 3400 Bissonnet
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mara Gittess, MA LPCPsychologist1750449559
- Alan Jacobson, MA, LPC, LMFTMarriage & Family Therapist1114015609
Verify Mary Demellier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Psychologist providers in Texas
There are 2,128 psychologist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other psychologist records in Texas
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- Katie Abbate, LPAKaty, TX1508792367
- Donna Abbott, PH.D.Irving, TX1881773794
- Karen Abbott, LMSW ACPHouston, TX1740257294
- Marcia Abbott, PH.D.Lubbock, TX1558360958
- Catherine Abrahamson, PHDKaty, TX1558988030
- Barbara Abrams, ED.D.Houston, TX1326195793
- Zayna Achmar, PSY.D.Bulverde, TX1780463497
Common questions
What is Mary Demellier, PH.D.'s NPI number?
Mary Demellier, PH.D.'s National Provider Identifier (NPI) is 1831293281, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Demellier, PH.D. located?
The NPPES record lists a practice address at 3400 Bissonnet, Houston, TX, 77005. Phone: (713) 666-1980. Providers update this record themselves, so call before visiting.
How can I verify Mary Demellier, PH.D.'s license?
Search the Texas board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.