Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. RYAN D HOUSTON AA
NPI 1881505444
Anesthesiologist Assistant in Saint Louis, MO

Q: What is Ryan Houston's NPI number?

The NPI number for Ryan Houston is 1881505444. It was assigned to this individual provider in the NPPES registry on September 14, 2026.

Q: What is Ryan Houston's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Q: When was this NPI record last updated?

The NPPES record for Ryan Houston was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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 September 14, 2026

615 S NEW BALLAS RD, SAINT LOUIS, MO 63141(636) 386-9224(636) 386-7679 Get Directions Write a Review

NPPES record added: September 14, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

On this page

About Mr. Ryan D Houston Aa NPPES

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

MR. RYAN D HOUSTON AA (NPI 1881505444) is an individual anesthesiologist assistant in Saint Louis, Missouri and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1881505444

Entity TypeIndividualMale

Primary Taxonomy367H00000X

Provider Legal NameMR. RYAN D HOUSTONCredential: AA

Location Address615 S NEW BALLAS RDSaint Louis, MO 63141-8221

Mailing Address339 Consort DrBallwin, MO 63011-4439 · (636) 386-9224 · Fax (636) 386-7679

Phone(636) 386-9224

Fax(636) 386-7679

Sole ProprietorNo

Enumeration DateSeptember 14, 2026

NPPES CertifiedSeptember 14, 2026

✔ NPI 1881505444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367H00000X

Definition

An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.

615 S NEW BALLAS RD, Saint Louis, MO 63141

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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.

MRS. PATRICIA ANN RICE APN

Nurse Practitioner (Family)

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6339

MARY BETH WALKER FNP

Nurse Practitioner (Family)

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6000

LOVEPREET SINGH RANDHAWA MD

Internal Medicine

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6339

DR. CONNOR ROBERT REIS DO

Internal Medicine

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6930

MR. SHEBY THOMAS AA-S

Anesthesiologist Assistant

615 S NEW BALLAS RD, DEPT OF ANESTHESIOLOGY
SAINT LOUIS, MO 63141

St. Louis County (636) 386-9224

JOSE L OLIVER SEGARRA

Dentist

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6382

CAREN BIRKENKAMP PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6000

ANAS M HASIC MD

Internal Medicine

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 509-5305

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 Ryan Houston's NPI number?

The NPI number for Ryan Houston is 1881505444. It was assigned to this individual provider in the NPPES registry on September 14, 2026.

Where is Ryan Houston located?

Ryan Houston practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (636) 386-9224.

What is Ryan Houston's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

When was this NPI record last updated?

The NPPES record for Ryan Houston was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.