Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mary Ellen Billington, MD

Individual provider Emergency Medicine Physician · NPI 1982083291

Mary Ellen Billington, MD is an Emergency Medicine in Houston, Texas. Qualified in 2015, 11 years ago. Practices with Guidewell Emergency Medicine Doctors, LLC, a 90-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Kansas and Texas.

Years since qualifying
11
Licensed in
KS, TX
In the registry since
2015
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6411 Fannin St
Houston, TX 77030-1501
Phone: (713) 500-7863
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 5323 Harry Hines Blvd, Dallas, TX 75390-7201 — (214) 590-8000
  • 6431 Fannin, Jjl 270, Houston, TX 77030 — (713) 500-7863

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence R3639 (TX)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 04-42843 (KS)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1982083291
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2015
Last updated in NPPESMay 10, 2021
Certification dateMay 10, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Guidewell Emergency Medicine Doctors, Llc — 90 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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