Cassie Lynn Green, APRN,FNP-BC

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

2026022752 Issued in OK

Practice address

2525 Chandler Rd
Muskogee, OK 74403-5088

Phone

(918) 681-7533

NPI assigned

Apr 21, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in OK

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

Accepts the Medicare-approved amount as payment in full

Group practices

Williams Medical Group Practice, LLCGroup PAC ID 3375832157, 212 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

• Williams Medical Group Practice, LLC

  • Family Medicine Physician
  • Lawton, OK
  • NPI 1346608809
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1776729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1235074774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2525 CHANDLER RD",
            "city": "MUSKOGEE",
            "state": "OK",
            "postal_code": "744035088",
            "telephone_number": "479-856-8922"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2525 CHANDLER RD",
            "city": "MUSKOGEE",
            "state": "OK",
            "postal_code": "744035088",
            "telephone_number": "918-681-7533"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREEN",
        "first_name": "CASSIE",
        "middle_name": "LYNN",
        "credential": "APRN,FNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-21",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "OK",
            "license": "2026022752",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Green Country Behavioral Health Services, Inc.
• Green Country Behavioral Health Services, Inc.
• Green Country Behavioral Health Services, Inc.
• Andrew Fay Green
• Carolyn Green
• Christopher Green
• Raelee Marie Green
• Shelley A. Green, MS/LPC
• Deborah Lynn Greener, OTR
• Timothy Francis Greener, R.T.(R)(MR)(ARRT)

• Nurse Practitioner in Muskogee, OK
• Providers in Muskogee, OK by specialty
• Nurse Practitioner in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 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.