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

Mark Dale Messer, DO

Individual provider Psychiatry Physician · NPI 1730246273

Mark Dale Messer, DO is a Psychiatry in Terrell, Texas. Graduated from University of Tennessee, Hsc, College of Medicine in 1999, 27 years ago. Practices with Health and Human Services Commission, a 138-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
27
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
TX
In the registry since
2007
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

1200 E Brin St
Terrell, TX 75160-2938
Phone: (972) 551-8426
Fax: (972) 551-8053
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence M5377 (TX)

Record details

NPI number1730246273
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 3, 2007
Last updated in NPPESJuly 9, 2010
Mailing address935 Lexington Dr, Rockwall, TX 75087-5378

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Health And Human Services Commission — 138 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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