Mark T. Houston, MD
Family Medicine Physician · Ballwin, MO
Mark T. Houston, MD is a family medicine physician with a practice address in Ballwin, Missouri, and NPI 1689640344, issued on Feb 23, 2006. Check the license (Missouri R2D71, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark T. Houston
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R2D71 MO
Self-reported in NPPES; status is on the state search - Practice location
- 15945 Clayton RD, Ballwin, MO 63011
- Phone
- (636) 256-5380
- Enumerated
- Feb 23, 2006
- Record last updated
- Jul 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (636) 256-5396
- Medicaid ID
- 1689640344 MO
- Entity
- Type 1 · individual
Also registered at 15945 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Octavio Chirino, M.D.Obstetrics & Gynecology Physician1598718058
- Cara Hahs, MDSurgery Physician1427031129
- Laura Hooper, AGNPGerontology Nurse Practitioner1598156820
- Shanna Ingram, FNP-CFamily Nurse Practitioner1982451027
- James Ketchum, MDInternal Medicine Physician1386610376
- Erica Lammert, RNFARegistered Nurse First Assistant1215352117
Verify Mark T. Houston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R2D71Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9 family medicine physician records list a practice address in Ballwin
They are 9 of the 562 NPPES records with a practice address in Ballwin, and 2,991 family medicine physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9 in Ballwin → All 2,991 in Missouri → Every provider in Ballwin →
Other family medicine physician records in Missouri
- Mohammad Abbas, DOKirksville, MO1518537679
- Brandon Abbott, D.O.Kansas City, MO1356875702
- Ann Abbott Marin, DOArnold, MO1477132421
- Mohamed Abdalaziz, MDKansas City, MO1538578075
- Karam Abdelmasih, MD, APFestus, MO1093288508
- Afsheen Abdullah Patel, MDLees Summit, MO1598070377
- Christopher Abercrombie, DOArnold, MO1093787558
- Avery Abernathy, D.O.Kansas City, MO1013207836
- Kristia Abernathy, MDSaint Louis, MO1710545405
- Grant Abkemeier, DOColumbia, MO1922933712
Common questions
What is Mark T. Houston, MD's NPI number?
Mark T. Houston, MD's National Provider Identifier (NPI) is 1689640344, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark T. Houston, MD located?
The NPPES record lists a practice address at 15945 Clayton RD, Ballwin, MO, 63011. Phone: (636) 256-5380. Providers update this record themselves, so call before visiting.
How can I verify Mark T. Houston, MD's license?
NPPES lists Missouri license number R2D71, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.