Charlene De Grassi, FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

220059 Issued in MT

Practice address

2673 Palmer St Ste 201
Missoula, MT 59808-1783

Phone

(406) 728-8848

Fax

(406) 549-8970

NPI assigned

Jun 21, 2018

Last updated

Jul 14, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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 CA, MT2 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

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

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.

• Partners in Home Care, Inc

  dba Partners Palliative Clinic

  • Hospice and Palliative Medicine (Family Medicine) Physician
  • Missoula, MT
  • NPI 1336817832

  Multi-Specialty

  Medicare reassignment NPD
• Beaver Medical Group P C

  dba Optum

  • Family Medicine Physician
  • Redlands, CA
  • NPI 1649503319

  Multi-Specialty

  Medicare reassignment NPD
• Beaver Medical Group P C

  • Physical Therapist
  • Redlands, CA
  • NPI 1427090281

  Multi-Specialty

  NPD
• Beaver Medical Group P C

  dba Beaver Advantage Health Center

  • Family Medicine Physician
  • Redlands, CA
  • NPI 1275570830

  Multi-Specialty

  NPD (past)
• Pih Health Whittier Hospital

  • General Acute Care Hospital
  • Whittier, CA
  • NPI 1043215379

  Multi-Specialty

  NPD (past)

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

{
    "created_epoch": "1529539200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752451200000",
    "number": "1306330444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2673 PALMER ST STE 201",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598081783",
            "telephone_number": "406-728-8848",
            "fax_number": "406-549-8970"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2673 PALMER ST STE 201",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598081783",
            "telephone_number": "406-728-8848",
            "fax_number": "406-549-8970"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE GRASSI",
        "first_name": "CHARLENE",
        "credential": "FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-06-21",
        "last_updated": "2025-07-14",
        "certification_date": "2025-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MT",
            "license": "220059",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jacqueline Day, PHD
• Kayli Day
• Susan K. Day, CP
• Daybreak Mental Health LLC (Daybreak Mental Health)
• Dba PHC Russell Elementary (PHC Russell Elementary)
• Petra Gerarda De Groot, LCPC
• Alexis Leanne Dealy, ARNP
• Caitlin Kim Dean, OTR/L
• Debbie Viegut, LCSW, Inc.
• Kari Danielle Deboo, FNP

• Nurse Practitioner in Missoula, MT
• Providers in Missoula, MT by specialty
• Nurse Practitioner in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.