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MR. RYAN WALSINGHAM AA
NPI 1720800113
Anesthesiologist Assistant in St Louis, MO

Active since October 28, 2024Accepts Medicare Assignment
615 S. NEW BALLAS RD., ST LOUIS, MO 63141(636) 386-9224(636) 386-7679 Get Directions Write a Review

NPPES record last updated: October 28, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Ryan Walsingham Aa NPPES

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

MR. RYAN WALSINGHAM AA (NPI 1720800113) is an individual anesthesiologist assistant in St Louis, Missouri, licensed in Missouri (PENDING) and active in the NPI registry since October 2024. He is affiliated with Christus St Vincent Regional Medical Center and is a graduate of Other (2024).

NPPES Registry Identity

NPI1720800113
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameMR. RYAN WALSINGHAMCredential: AA
Location Address615 S. NEW BALLAS RD.St Louis, MO 63141
Mailing Address339 Consort DrBallwin, MO 63011-4439 · (636) 386-9224 · Fax (636) 386-7679
Phone(636) 386-9224
Fax(636) 386-7679
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateOctober 28, 2024
NPPES CertifiedOctober 24, 2024
✔ NPI 1720800113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
License✔ Licensed in MO · PENDING
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., St Louis, MO 63141
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Ryan Walsingham Aa 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 ID244769560
PECOS Enrollment IDI20260605000564

Medicare Billing Reassignments

2

Medicare enrollment records show Ryan Walsingham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Western Anesthesiology Associates, Inc.
1.5 mi
Anesthesiology
615 S NEW BALLAS RD, DEPT. OF ANESTHESIA
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 309 clinicians in this Medicare group
NPI 1275646754 (636) 386-9224
St. Vincent Hospital
846 mi
Surgery
1213 GUSDORF ROAD
Taos, NM 87571
  • Reassigned Medicare billing, New Mexico enrollment
  • 399 clinicians in this Medicare group
NPI 1265790216 (505) 913-3490

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Christus St Vincent Regional Medical Center

Acute Care Hospitals · Santa Fe, NM
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number320002
Location455 St Michael's DriveSanta Fe, NM 87505 · Santa Fe County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 2

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

MRS. KRISTEN DOHERTY AA-C
Anesthesiologist Assistant
615 S. NEW BALLAS RD., DEPT. OF ANESTHESIOLOGY
ST. LOUIS, MO 63141
St. Louis County (314) 251-4687
DR. GEORGE D. LAPPAS M.D.
Anesthesiology
615 S. NEW BALLAS RD., DEPT. OF ANESTHESIA
ST. LOUIS, MO 63141
St. Louis County (636) 386-9224

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 Walsingham's NPI number?

The NPI number for Ryan Walsingham is 1720800113. It was assigned to this individual provider in the NPPES registry on October 28, 2024.

Where is Ryan Walsingham located?

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

What is Ryan Walsingham's specialty?

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

Is Ryan Walsingham enrolled in Medicare?

Yes. Ryan Walsingham is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ryan Walsingham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Walsingham reassigns Medicare benefits to 2 organizations: Western Anesthesiology Associates, Inc. (Saint Louis, MO) and St. Vincent Hospital (Taos, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Walsingham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ryan Walsingham affiliated with any hospitals?

According to CMS data, Ryan Walsingham is affiliated with Christus St Vincent Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Ryan Walsingham was last updated on October 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.