NPPES file of Aug 9, 2026

Charlene De Grassi, FNP-C

Nurse Practitioner · Missoula, MT

Charlene De Grassi, FNP-C is a nurse practitioner with a practice address in Missoula, Montana, and NPI 1306330444, issued on Jun 21, 2018. Check the license (Montana 220059, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306330444
Name
Charlene De Grassi
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
220059 MT
Self-reported in NPPES; status is on the state search
Practice location
2673 Palmer St Ste 201, Missoula, MT 59808
Phone
(406) 728-8848
Enumerated
Jun 21, 2018
Record last updated
Jul 14, 2025
Fax
(406) 549-8970
Medicare enrollment
Enrolled (PECOS I20240823003253); may accept Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 287 in Montana → Look up another NPI →

Verify Charlene De Grassi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 220059    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Montana license search

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Bills Medicare through one group practice

  1. Partners IN Home Care IncMissoula, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Charlene De Grassi among 287 nurse practitioner records in Montana

Charlene De Grassi, FNP-C is one of 287 nurse practitioner records with a practice address in Montana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 54% of them.

  • NPI issued2018 · 54% of these records are older, 39% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2017 · median 2019 among the 185 with a school on file
  • Record last updated2025 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Montana

There are 287 nurse practitioner records in Montana.

All 287 in Montana → Every provider in Missoula → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Alaina ColeMissoula, MT 598081649032731
  2. Francienne Grantsaris, FNP-CMissoula, MT 598081790233351
  3. Sharon Herndon, MSN, RN, CNPMissoula, MT 598081558884064
  4. Michelle Martell, AGNP-CMissoula, MT 598081598416380
  5. Shelley Otoupalik, ACNPMissoula, MT 598081053407981
  6. Alexandra SatherMissoula, MT 598081952188757
  7. Ronald Sheppard, APRN, FNP-BCMissoula, MT 598081497034128
  8. Anne Lorraine Solon, AGNP-CMissoula, MT 598081851113377

Common questions

What is Charlene De Grassi, FNP-C's NPI number?

Charlene De Grassi, FNP-C's National Provider Identifier (NPI) is 1306330444, issued on Jun 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Charlene De Grassi, FNP-C located?

The NPPES record lists a practice address at 2673 Palmer St Ste 201, Missoula, MT, 59808. Phone: (406) 728-8848. Providers update this record themselves, so call before visiting.

How can I verify Charlene De Grassi, FNP-C's license?

NPPES lists Montana license number 220059, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.