Milissa Grandchamp, NP
NPI 1083750731 · Family Nurse Practitioner · Polson, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Milissa Grandchamp, NP is a Family Nurse Practitioner provider in Polson, MT (NPI 1083750731).
Provider details
- NPI number
- 1083750731
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 23008 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Omeprazole | 45 |
| Levothyroxine Sodium | 38 |
| Atorvastatin Calcium | 33 |
| Telmisartan | 28 |
| Tramadol Hcl | 27 |
| Rosuvastatin Calcium | 23 |
| Losartan Potassium | 21 |
| Amlodipine Besylate | 19 |
| Gabapentin | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-29
- Last updated
- 2025-04-08
- Certified
- 2025-04-08
Frequently asked questions
- What is Milissa Grandchamp's NPI number?
- Milissa Grandchamp's National Provider Identifier (NPI) is 1083750731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Milissa Grandchamp's specialty?
- Milissa Grandchamp is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Milissa Grandchamp located?
- Milissa Grandchamp's practice location on file with NPPES is 5 4th Ave E, Polson, MT 59860-2117.
- What is Milissa Grandchamp's phone number?
- The practice phone number listed in the NPPES registry for Milissa Grandchamp is (406) 745-3525.
- Does Milissa Grandchamp accept Medicare?
- Milissa Grandchamp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Milissa Grandchamp's NPI active?
- Yes — Milissa Grandchamp's NPI (1083750731) is active in the NPPES registry as of the last update on 2025-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.