LYSSA LYNN ATWELL ACNP
NPI 1609716463
Nurse Practitioner - Acute Care in Saint Louis, MO

Active since March 31, 2026PECOS Enrolled
1 BARNES JEWISH HOSPITAL PLZ, SAINT LOUIS, MO 63110(800) 862-9980(314) 362-1185 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Lyssa Lynn Atwell Acnp NPPES

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

LYSSA LYNN ATWELL ACNP (NPI 1609716463) is an individual acute care provider in Saint Louis, Missouri, licensed in Missouri (2026008972) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609716463
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameLYSSA LYNN ATWELLCredential: ACNP
Location Address1 BARNES JEWISH HOSPITAL PLZSaint Louis, MO 63110-1003
Mailing Address660 S Euclid Ave, Cb 8054Saint Louis, MO 63110-1010 · (800) 862-9980 · Fax (314) 362-1185
Fax(314) 362-1185
Sole ProprietorNo
Enumeration DateMarch 31, 2026
Last NPPES UpdateJune 22, 2026
NPPES CertifiedJune 22, 2026
NPI 1609716463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in MO · 2026008972
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 2026008972 (MO)
Also ListedNurse Practitioner · Critical Care MedicineTaxonomy 363LC0200X · License 2026008972 (MO)
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 2026008972 (MO)
1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Lyssa Lynn Atwell Acnp 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 63110 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.

Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Obstetrics & Gynecology
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Nurse Practitioner (Acute Care)
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Surgery
1 BARNES JEWISH HOSPITAL PLZ, DIV SURG VASCULAR
SAINT LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110

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 Lyssa Atwell's NPI number?

The NPI number for Lyssa Atwell is 1609716463. It was assigned to this individual provider in the NPPES registry on March 31, 2026.

Where is Lyssa Atwell located?

Lyssa Atwell practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. The listed phone number is (800) 862-9980.

What is Lyssa Atwell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Lyssa Atwell enrolled in Medicare?

Yes. Lyssa Atwell is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lyssa Atwell was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.