Matthew Ellis, MD PHD
NPI 1669495685 · Medical Oncology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Ellis, MD PHD is a Medical Oncology Physician provider in Houston, TX (NPI 1669495685).
Provider details
- NPI number
- 1669495685
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- Q2126 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-07-25
- Last updated
- 2014-10-24
Frequently asked questions
- What is Matthew Ellis's NPI number?
- Matthew Ellis's National Provider Identifier (NPI) is 1669495685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Ellis's specialty?
- Matthew Ellis is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Ellis located?
- Matthew Ellis's practice location on file with NPPES is 6620 Main St, Houston, TX 77030-2348.
- What is Matthew Ellis's phone number?
- The practice phone number listed in the NPPES registry for Matthew Ellis is (713) 798-1999.
- Does Matthew Ellis accept Medicare?
- Matthew Ellis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Ellis's NPI active?
- Yes — Matthew Ellis's NPI (1669495685) is active in the NPPES registry as of the last update on 2014-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.