MS. CLAUDINE NANCY WILHELMI GRANGE PMHNP
NPI 1912013442
Nurse Practitioner - Psychiatric/Mental Health in Portland, ME
About Ms. Claudine Nancy Wilhelmi Grange Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CLAUDINE NANCY WILHELMI GRANGE PMHNP (NPI 1912013442) is an individual psychiatric/mental health provider in Portland, Maine, licensed in Maine (CNP81848) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Portland.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Claudine Nancy Wilhelmi Grange Pmhnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Claudine Grange reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, ME 04102
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Claudine Grange's NPI number?
The NPI number for Claudine Grange is 1912013442. It was assigned to this individual provider in the NPPES registry on August 21, 2006. The provider is also known as Claudine Nancy Wilhelmi.
Where is Claudine Grange located?
Claudine Grange practices at 95 Pine St, Portland, ME 04102. The listed phone number is (207) 874-6777.
What is Claudine Grange's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Claudine Grange enrolled in Medicare?
Yes. Claudine Grange is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Claudine Grange's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claudine Grange reassigns Medicare benefits to 2 organizations: West End Practice LLC (Portland, ME) and Mainehealth (Portland, ME). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Claudine Grange's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Claudine Grange accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Claudine Grange as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Claudine Grange affiliated with any hospitals?
According to CMS data, Claudine Grange is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Claudine Grange was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Claudine Nancy Wilhelmi Grange, PMHNP · NPI 1912013442
Psychiatric/Mental Health physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since August 21, 2006.
## Identity
- **NPI:** 1912013442 (Entity type: Individual)
- **Enumerated:** August 21, 2006
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** CNP81848 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 95 PINE ST, Portland, ME 04102-3719
- **Phone:** (207) 874-6777
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): West End Practice LLC (NPI 1407185374, Portland, ME); Mainehealth (NPI 1780788372, Portland, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** April 28, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1912013442) · Data from the CMS NPPES public registry.