Lyssa Lynn Atwell, ACNP

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

2026008972 Issued in MO

Practice address

1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003

Phone

(800) 862-9980

Fax

(314) 362-1185

NPI assigned

Mar 31, 2026

Last updated

Jun 22, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in MO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1134169568
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1774915200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1609716463",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 S EUCLID AVE",
            "address_2": "CB 8054",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101010",
            "telephone_number": "800-862-9980",
            "fax_number": "314-362-1185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "800-862-9980",
            "fax_number": "314-362-1185"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ATWELL",
        "first_name": "LYSSA",
        "middle_name": "LYNN",
        "credential": "ACNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-03-31",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LC0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Critical Care Medicine",
            "state": "MO",
            "license": "2026008972",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MO",
            "license": "2026008972",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MO",
            "license": "2026008972",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "MO",
            "license": "2026008972",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pradeep Attaluri, MD
• Robert Kingsley Atteberry, MD
• Jennifer B Attebery, ACNP
• Attention Deficit Center LLC (Affiliated Psychotherapist)
• Attentive Home Care LLC
• Crystal Lynn Atwood, MD
• Adrienne Denise Atzemis, MD
• Maxwell Paul Atzemis, CCC-SLP
• Christine Elizabeth Auberle, MD
• Eric J Aubert, DMD

• Acute Care Nurse Practitioner in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Acute Care Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.