DR. MARCEL ALEJANDRO DE DIOS PH.D.
NPI 1649595315
Psychologist in Houston, TX
About Dr. Marcel Alejandro De Dios Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARCEL ALEJANDRO DE DIOS PH.D. (NPI 1649595315) is an individual psychologist in Houston, Texas, licensed in Texas (36745) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Marcel Alejandro De Dios Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Marcel De Dios reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,407 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 1,579 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marcel De Dios's NPI number?
The NPI number for Marcel De Dios is 1649595315. It was assigned to this individual provider in the NPPES registry on April 6, 2010.
Where is Marcel De Dios located?
Marcel De Dios practices at 6550 Fannin Street Smith Tower, Suite 1201, Houston, TX 77030. The listed phone number is (713) 441-3372.
What is Marcel De Dios's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Marcel De Dios enrolled in Medicare?
Yes. Marcel De Dios is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marcel De Dios's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcel De Dios reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marcel De Dios's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marcel De Dios was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.