DR. WILLIE MATTHEW MARQUEZ M.D.
NPI 1063856235
Emergency Medicine in Humble, TX
About Dr. Willie Matthew Marquez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIE MATTHEW MARQUEZ M.D. (NPI 1063856235) is an individual emergency medicine provider in Humble, Texas, licensed in Texas (Q5863) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Northeast Hospital, and is a graduate of University Of Texas Medical School At Houston (2013).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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. Willie Matthew Marquez M.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 Willie Marquez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77024
- Reassigned Medicare billing, Texas enrollment
- 408 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Northeast Hospital
Acute Care Hospitals · Humble, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77338 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HUMBLE, TX 77338
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 Willie Marquez's NPI number?
The NPI number for Willie Marquez is 1063856235. It was assigned to this individual provider in the NPPES registry on April 18, 2013.
Where is Willie Marquez located?
Willie Marquez practices at 18951 N Memorial Dr, Humble, TX 77338. The listed phone number is (281) 540-7999.
What is Willie Marquez's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Willie Marquez enrolled in Medicare?
Yes. Willie Marquez 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 Willie Marquez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Willie Marquez reassigns Medicare benefits to 2 organizations: Memorial Hermann Hospital Based Physician Group (Houston, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, 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 Willie Marquez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Willie Marquez accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Willie Marquez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Willie Marquez affiliated with any hospitals?
According to CMS data, Willie Marquez is affiliated with Memorial Hermann Northeast Hospital.
When was this NPI record last updated?
The NPPES record for Willie Marquez was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Dr. Willie Matthew Marquez, M.D. · NPI 1063856235
Emergency Medicine physician in Humble, Texas. Individual provider, active in the CMS NPPES registry since April 18, 2013.
## Identity
- **NPI:** 1063856235 (Entity type: Individual)
- **Enumerated:** April 18, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** Q5863 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 18951 N MEMORIAL DR, Humble, TX 77338-4217
- **Phone:** (281) 540-7999
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Memorial Hermann Hospital Based Physician Group (NPI 1295363497, Houston, TX); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 2013
## Record status
- **NPPES last updated:** September 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1063856235) · Data from the CMS NPPES public registry.