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

Marshall Meier, DO

Individual provider Internal Medicine Physician · NPI 1205368925

Marshall Meier, DO is an Internal Medicine in Dallas, Texas. Graduated from Arizona College of Osteopathic Medicine Mid Western University in 2017, 9 years ago. Practices with Healthtexas Provider Network, a 2,539-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
9
Trained at
Arizona College of Osteopathic Medicine Mid Western University
Licensed in
TX
In the registry since
2017
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.

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Practice location Address checks out

3600 Gaston Ave Ste 550
Dallas, TX 75246-1905
Phone: (214) 821-1177
Fax: (214) 821-1193
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence S5225 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence S5225 (TX)

Record details

NPI number1205368925
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 31, 2017
Last updated in NPPESMarch 8, 2023
Certification dateMarch 8, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Graduated 2017 (9 years in practice)
Group practice Healthtexas Provider Network — 2539 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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