Individual provider Active NPI

Crystal Dawn Leis, PMHNP

  • Family Nurse Practitioner
  • Largo, FL
National Provider Identifier
1942776596
Registry record updated Sep 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
78446 Issued in KS
Practice address
13670 Walsingham Rd
Largo, FL 33774-3532
Phone
(727) 593-9848
NPI assigned
Oct 22, 2018
Last updated
Sep 28, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 28, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 78446 KS Primary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X APRN11017616 FL

Addresses

Primary practice location

13670 Walsingham Rd
Largo, FL 33774-3532

Mailing address

714A Broadway
Marysville, KS 66508-1842
Phone (785) 619-6720

Other practice location 1

714A Broadway
Marysville, KS 66508-1842
Phone (785) 619-6720

Other practice location 2

107 S 8th St
Marysville, KS 66508-1831
Phone (785) 619-6720

Other identifiers 1

IdentifierTypeStateIssuer
30004782530001MedicaidKS

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address crystal.leisaprn@direct.mybaycare.org Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NE, KS2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20210430000766 NE Practitioner - Nurse Practitioner 2860826781 Reassigns benefits to 1 organization
I20220203001410 KS Practitioner - Nurse Practitioner 2860826781 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
May accept Medicare assignment
Group practices
Sunflower Medical Clinic LLCGroup PAC ID 2961884143, 2 clinicians
Warren Memorial HospitalGroup PAC ID 0941303085, shared by 3 NPIs, 9 clinicians

Practice addresses (Care Compare)

107 S 8TH St
Marysville, KS 66508-1831
Phone (785) 619-6078

905 2ND St
Friend, NE 68359-1133
Phone (402) 947-2541

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
78446KSMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Sunflower Mental Health & Wellness LLC Psychiatric/Mental Health CurrentSince Dec 3, 2025 Accepting new patients
Sunflower Medical Clinic LLC Family CurrentSince May 1, 2022 Accepting new patients
Sunflower Mental Health and Wellness PastSince Mar 1, 2026 Accepting new patients
Warren Memorial Hospital Past Accepting new patients

Locations

107 S 8th St
Marysville, KS 66508
Phone (785) 619-6078

714A Broadway
Marysville, KS 66508
Phone (785) 619-6720

Interoperability endpoints

  • Direct secure messaging: crystal.leis.1@27082.direct.athenahealth.com
  • FHIR API: https://api.platform.athenahealth.com/27082/brand/1/csg/1/fhir/r4

Organizations & group practices 5

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1540166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790553600000",
    "number": "1942776596",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "714A BROADWAY",
            "city": "MARYSVILLE",
            "state": "KS",
            "postal_code": "665081842",
            "telephone_number": "785-619-6720",
            "fax_number": "785-619-6721"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13670 WALSINGHAM RD",
            "city": "LARGO",
            "state": "FL",
            "postal_code": "337743532",
            "telephone_number": "727-593-9848"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "714A Broadway",
            "address_purpose": "LOCATION",
            "city": "Marysville",
            "state": "KS",
            "postal_code": "665081842",
            "country_code": "US",
            "telephone_number": "785-619-6720",
            "fax_number": "785-619-6721",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "107 S 8th St",
            "address_purpose": "LOCATION",
            "city": "Marysville",
            "state": "KS",
            "postal_code": "665081831",
            "country_code": "US",
            "telephone_number": "785-619-6720",
            "fax_number": "785-619-6721",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEIS",
        "first_name": "CRYSTAL",
        "middle_name": "DAWN",
        "name_prefix": "Mrs.",
        "credential": "PMHNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-22",
        "last_updated": "2026-09-28",
        "certification_date": "2026-09-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "KS",
            "license": "78446",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "FL",
            "license": "APRN11017616",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30004782530001",
            "state": "KS"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "crystal.leisaprn@direct.mybaycare.org",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "13670 Walsingham Rd",
            "city": "Largo",
            "state": "FL",
            "country_code": "US",
            "postal_code": "337743532",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Largo, FL

Sources for this page

Verify at the official NPI Registry.