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

Ethan Massingill, DO

Individual provider Internal Medicine Physician · NPI 1619665478

Ethan Massingill, DO is an Internal Medicine Physician in Seguin, Texas. Works from 2 locations. Licensed in Texas.

Licensed in
TX
In the registry since
2023
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1215 E Court St
Seguin, TX 78155-5129
Phone: (830) 379-2411
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 11937 Us Highway 271, Tyler, TX 75708-3154 — (903) 877-7200

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence W7368 (TX)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence BP10085240 (TX)

Record details

NPI number1619665478
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 28, 2023
Last updated in NPPESJuly 2, 2026
Certification dateJuly 2, 2026
Mailing address1215 E Court St, Seguin, TX 78155-5129

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