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DR. MARK T HOUSTON MD
NPI 1689640344
Family Medicine in Ballwin, MO

Active since February 23, 2006PECOS Enrolled
15945 CLAYTON RD, SUITE 330, BALLWIN, MO 63011(636) 256-5380(636) 256-5396 Get Directions Write a Review

NPPES record last updated: July 23, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark T Houston Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK T HOUSTON MD (NPI 1689640344) is an individual family medicine provider in Ballwin, Missouri, licensed in Missouri (R2D71) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689640344
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARK T HOUSTONCredential: MD
Location Address15945 CLAYTON RD, SUITE 330Ballwin, MO 63011-2490
Mailing Address15945 Clayton Rd, Suite 330Ballwin, MO 63011-2490 · (636) 256-5380 · Fax (636) 256-5396
Phone(636) 256-5380
Fax(636) 256-5396
Sole ProprietorNo
Enumeration DateFebruary 23, 2006
Last NPPES UpdateJuly 23, 2015
✔ NPI 1689640344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MO · R2D71
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
15945 CLAYTON RD, Ballwin, MO 63011
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Other Identifiers 4

Other080134765MO · Railroad Medicare
Medicare PIN967645280MO
Medicaid1689640344MO
Medicare UPINC39900MO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark T Houston Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63011 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTINE ANN SIGMAN MD
Internal Medicine
15945 CLAYTON RD, SUITE 310
BALLWIN, MO 63011
St. Louis County (636) 256-5350
ERICA AMELIA LAMMERT RNFA
Registered Nurse (Registered Nurse First Assistant)
15945 CLAYTON RD, SUITE 305
BALLWIN, MO 63011
St. Louis County (636) 256-5278
JACOB ZEMBLES MD
Internal Medicine (Rheumatology)
15945 CLAYTON RD, SUITE 170
BALLWIN, MO 63011
St. Louis County (636) 256-5070
DR. MARLYS E SCHUH MD
Surgery (Surgical Oncology)
15945 CLAYTON RD, SUITE 120
BALLWIN, MO 63011
St. Louis County (636) 256-5000
DAVID M. SCHOENWALDER M.D.
Internal Medicine
15945 CLAYTON RD, SUITE 310
BALLWIN, MO 63011
St. Louis County (636) 256-5350
DR. BRIAN L. MAHAFFEY MD
Family Medicine (Sports Medicine)
15945 CLAYTON RD, SUITE 210
BALLWIN, MO 63011
St. Louis County (314) 251-1556
DR. JAMES W KETCHUM MD
Internal Medicine
15945 CLAYTON RD, SUITE 310
BALLWIN, MO 63011
St. Louis County (636) 256-5350
TIMOTHY P. MURPHY M.D.
Family Medicine
15945 CLAYTON RD
BALLWIN, MO 63011
St. Louis County (636) 256-5380

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Houston's NPI number?

The NPI number for Mark Houston is 1689640344. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Where is Mark Houston located?

Mark Houston practices at 15945 Clayton Rd Suite 330, Ballwin, MO 63011. The listed phone number is (636) 256-5380.

What is Mark Houston's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mark Houston enrolled in Medicare?

Yes. Mark Houston is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Houston was last updated on July 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.