ELIZABETH HOUSTON DO
NPI 1225653942
Internal Medicine in Saint Louis, MO

Q: What is Elizabeth Houston's NPI number?

The NPI number for Elizabeth Houston is 1225653942. It was assigned to this individual provider in the NPPES registry on June 9, 2020.

Q: What is Elizabeth Houston's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Elizabeth Houston was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.

Active since June 09, 2020PECOS EnrolledAccepts Medicare Assignment

621 S NEW BALLAS RD STE 6017B, SAINT LOUIS, MO 63141(314) 251-7840 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 10, 2024, Aug 29, 2023, Mar 16, 2023 and 2 more (5 updates tracked since 2020).

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About Elizabeth Houston Do NPPES

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

ELIZABETH HOUSTON DO (NPI 1225653942) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2023008551) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (2020).

NPPES Registry Identity

NPI1225653942

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameELIZABETH HOUSTONCredential: DO

Location Address621 S NEW BALLAS RD STE 6017BSaint Louis, MO 63141-8274

Mailing Address621 S New Ballas Rd Ste 6017bSaint Louis, MO 63141-8274 · (314) 251-7840

Phone(314) 251-7840

Sole ProprietorNo

Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 2020

Enumeration DateJune 9, 2020

Last NPPES UpdateAugust 27, 20255 updates tracked since enumeration

NPPES CertifiedAugust 27, 2025

✔ NPI 1225653942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MO · 2023008551

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

621 S NEW BALLAS RD STE 6017B, Saint Louis, MO 63141

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elizabeth Houston Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284051905

PECOS Enrollment IDI20230919000457

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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

100 services50 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

65 services40 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

57 services57 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

18 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260020

Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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

$128.28 typical visit price

range $55.65 – $169.38

Typical copayment $32.07 (range $13.91 – $42.34)

Most-billed visit code 99204

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 11

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

PATRICIA ANNE BACA LMSW

Social Worker (Clinical)