CHARLENE DE GRASSI FNP-C
NPI 1306330444
Nurse Practitioner in Missoula, MT

Q: What is Charlene De Grassi's NPI number?

The NPI number for Charlene De Grassi is 1306330444. It was assigned to this individual provider in the NPPES registry on June 21, 2018.

Q: What is Charlene De Grassi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since June 21, 2018PECOS Enrolled

2673 PALMER ST STE 201, MISSOULA, MT 59808(406) 728-8848(406) 549-8970 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2024, Aug 29, 2018, Aug 15, 2018 and 1 more (4 updates tracked since 2018).

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About Charlene De Grassi Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLENE DE GRASSI FNP-C (NPI 1306330444) is an individual nurse practitioner in Missoula, Montana, licensed in Montana (220059) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1306330444

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCHARLENE DE GRASSICredential: FNP-C

Location Address2673 PALMER ST STE 201Missoula, MT 59808-1783

Mailing Address2673 Palmer St Ste 201Missoula, MT 59808-1783 · (406) 728-8848 · Fax (406) 549-8970

Phone(406) 728-8848

Fax(406) 549-8970

Sole ProprietorYes

Medical School CMSOtherGraduated 2017

Enumeration DateJune 21, 2018

Last NPPES UpdateJuly 14, 20254 updates tracked since enumeration

NPPES CertifiedJuly 14, 2025

✔ NPI 1306330444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in MT · 220059

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

2673 PALMER ST STE 201, Missoula, MT 59808

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Mountain Health CO-OP, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Charlene De Grassi Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4486905999

PECOS Enrollment IDI20240823003253

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Charlene De Grassi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Partners In Home Care, Inc

Same address

Hospice and Palliative Medicine

2673 PALMER ST STE 201
Missoula, MT 59808

Reassigned Medicare billing, Montana enrollment
4 clinicians in this Medicare group

NPI 1336817832 (406) 327-3646

Beaver Medical Group P C

901 mi

Family Medicine

2 WEST FERN AVENUE
Redlands, CA 92373

Reassigned Medicare billing, California enrollment
635 clinicians in this Medicare group

NPI 1649503319 (909) 793-3311

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$87.97 typical visit price

range $56.81 – $172.26

Typical copayment $21.99 (range $14.20 – $43.06)

Most-billed visit code 99203

Established Patient

$100.16 typical visit price

range $18.24 – $140.32

Typical copayment $25.04 (range $4.56 – $35.08)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PARTNERS IN HOME CARE, INC.

Clinic/Center (Multi-Specialty)