NPPES file of Aug 9, 2026

Elizabeth Houston, DO

Internal Medicine Physician · Saint Louis, MO

Elizabeth Houston, DO is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1225653942, issued on Jun 9, 2020. Check the license (Missouri 2023008551, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225653942
Name
Elizabeth Houston
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2023008551 MO
Self-reported in NPPES; status is on the state search
Practice location
621 S New Ballas RD Ste 6017B, Saint Louis, MO 63141
Phone
(314) 251-7840
Enumerated
Jun 9, 2020
Record last updated
Aug 27, 2025
Medicare enrollment
Enrolled (PECOS I20230919000457); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 621 S New Ballas RD Ste 6017B

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patricia Baca, LMSWClinical Social Worker1003546938
  2. Sophia Fechter, AGPCNP-CAdult Health Nurse Practitioner1134083470
  3. Ann Fronek O'Connell, MSW, LCSWClinical Social Worker1326810623
  4. Seema Iyer, M.D.Geriatric Medicine (Internal Medicine) Physician1437455441
  5. Salome Kibii, DOInternal Medicine Physician1881197747
  6. Monica Muir, D.O.Hospice and Palliative Medicine (Internal Medicine) Physician1063775328

Verify Elizabeth Houston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2023008551
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

178 Medicare Part D claims for 77 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 14 claims were for opioids.

  1. Elizabeth Houston178
  2. Specialty average3,176

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

  1. Mercy Clinic Palliative Care LLCSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Elizabeth Houston among 2,604 internal medicine physician records in Missouri

Elizabeth Houston, DO is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 75% of them.

  • NPI issued2020 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2020 · median 2006 among the 1,443 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

941 internal medicine physician records list a practice address in Saint Louis

They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Daniel Bauer, MDSaint Louis, MO 631411144222506
  2. Michele Bellamy, MDCreve Coeur, MO 631411134194863
  3. Shobha Dixit, MDSaint Louis, MO 631411902871650
  4. Carolyn Koenig, MDSaint Louis, MO 631411063488278
  5. Bernard McGuire, M.D.Saint Louis, MO 631411942274030
  6. Angela Miller, M.D.Saint Louis, MO 631411184605883
  7. C Molden, MDSaint Louis, MO 631411720086747
  8. Margaret Murphy, M.D.Saint Louis, MO 631411043285745

Common questions

What is Elizabeth Houston, DO's NPI number?

Elizabeth Houston, DO's National Provider Identifier (NPI) is 1225653942, issued on Jun 9, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Houston, DO located?

The NPPES record lists a practice address at 621 S New Ballas RD Ste 6017B, Saint Louis, MO, 63141. Phone: (314) 251-7840. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Houston, DO's license?

NPPES lists Missouri license number 2023008551, 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.

How much does Elizabeth Houston, DO prescribe under Medicare Part D?

In 2024, Elizabeth Houston, DO had 178 Medicare Part D claims for 77 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.