Mark Dale Messer, D.O.
Psychiatry Physician · Terrell, TX
Mark Dale Messer, D.O. is a psychiatry physician with a practice address in Terrell, Texas, and NPI 1730246273, issued on Jan 3, 2007. Check the license (Texas M5377, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Dale Messer
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- M5377 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1200 E Brin St, Terrell, TX 75160
- Phone
- (972) 551-8426
- Enumerated
- Jan 3, 2007
- Record last updated
- Jul 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (972) 551-8053
- Medicare enrollment
- Enrolled (PECOS I20070731000116); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Also registered at 1200 E Brin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marjorie Bruhn, MDPsychiatry Physician1275685059
- Shahzad ChoudhryChild & Adolescent Psychiatry Physician1841716388
- Mohammed El Awady, MDPsychiatry Physician1487722641
- William Freeman, PH.D.Clinical Psychologist1508954074
- Monte Goen, MDPsychiatry Physician1952490948
Verify Mark Dale Messer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M5377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
20 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Health And Human Services CommissionTerrell, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Dale Messer among 3,318 psychiatry physician records in Texas
Mark Dale Messer, D.O. is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 51% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1999 · median 2006 among the 1,481 with a school on file
- Record last updated2010 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 psychiatry physician records list a practice address in Terrell
They are 19 of the 258 NPPES records with a practice address in Terrell, and 3,318 psychiatry physician records in Texas.
All 3,318 in Texas → Every provider in Terrell → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Phillip Balleza, M.D.Terrell, TX 751601588740518
- Rakesh Chadalavada, M.D.Terrell, TX 751601669574695
- Anthony Claxton, MDTerrell, TX 751601245329234
- Mohammed El Awady, MDTerrell, TX 751601487722641
- Monte Goen, MDTerrell, TX 751601952490948
- Leelamani Kaza, M.D.Terrell, TX 751601437240892
- Eric Kemp, MDTerrell, TX 751601174681589
- John Makowski, MDTerrell, TX 751601942399944
Common questions
What is Mark Dale Messer, D.O.'s NPI number?
Mark Dale Messer, D.O.'s National Provider Identifier (NPI) is 1730246273, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Dale Messer, D.O. located?
The NPPES record lists a practice address at 1200 E Brin St, Terrell, TX, 75160. Phone: (972) 551-8426. Providers update this record themselves, so call before visiting.
How can I verify Mark Dale Messer, D.O.'s license?
NPPES lists Texas license number M5377, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Dale Messer, D.O. prescribe under Medicare Part D?
In 2024, Mark Dale Messer, D.O. had 20 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.