Marcel Alejandro De Dios, PH.D.
Psychologist · Houston, TX
Marcel Alejandro De Dios, PH.D. is a psychologist with a practice address in Houston, Texas, and NPI 1649595315, issued on Apr 6, 2010. Check the license (Texas 36745, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcel Alejandro De Dios
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 36745 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6550 Fannin Street, Houston, TX 77030
- Phone
- (713) 441-3372
- Enumerated
- Apr 6, 2010
- Record last updated
- Jun 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20251223004089); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,141 in Texas → Look up another NPI →
Also registered at 6550 Fannin Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robert Jackson, MDInternal Medicine Physician1841296001
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- Jessica Richardson, MSN, RN, AGPCNP-CAdult Health Nurse Practitioner1467802330
- Kerry Sembera, PNPPediatric Nurse Practitioner1881673655
Verify Marcel Alejandro De Dios in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 36745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Houston Methodist Specialty PhysiciansHouston, TX
- Tmh Physician Associates PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcel Alejandro De Dios among 2,141 psychologist records in Texas
Marcel Alejandro De Dios, PH.D. is one of 2,141 psychologist records with a practice address in Texas. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 41% of them.
- NPI issued2010 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2007 · median 2007 among the 372 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Texas
There are 2,141 psychologist records in Texas.
All 2,141 in Texas → Every provider in Houston → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Michael Assel, PH.D.Houston, TX 770301881629970
- Major Bradshaw, PH.DHouston, TX 770301639270119
- Marsha Gragert, PH.D.Houston, TX 770301255380721
- Anne Kayl, PHDHouston, TX 770301053402495
- Jill McGavin, PHDHouston, TX 770301366464893
- Joyce McKinney, PHDHouston, TX 770301144331653
- Deborah Mullins, PH.D.Houston, TX 770301336159219
- Diane Novy, PH.D.Houston, TX 770301023042116
Common questions
What is Marcel Alejandro De Dios, PH.D.'s NPI number?
Marcel Alejandro De Dios, PH.D.'s National Provider Identifier (NPI) is 1649595315, issued on Apr 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Marcel Alejandro De Dios, PH.D. located?
The NPPES record lists a practice address at 6550 Fannin Street, Houston, TX, 77030. Phone: (713) 441-3372. Providers update this record themselves, so call before visiting.
How can I verify Marcel Alejandro De Dios, PH.D.'s license?
NPPES lists Texas license number 36745, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.