STEPHANIE RENEE GRIMES NP
NPI 1255705422
Nurse Practitioner in Scottsdale, AZ
About Stephanie Renee Grimes Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE RENEE GRIMES NP (NPI 1255705422) is an individual nurse practitioner in Scottsdale, Arizona, licensed in Arizona (304420) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Stephanie Renee Grimes Np 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
3Medicare enrollment records show Stephanie Grimes reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scottsdale, AZ 85259
- Reassigned Medicare billing, Arizona enrollment
- 1,792 clinicians in this Medicare group
Tucson, AZ 85741
- Reassigned Medicare billing, Arizona enrollment
- 664 clinicians in this Medicare group
Berwyn, PA 19312
- Reassigned Medicare billing, Pennsylvania enrollment
- Also billed through NPI 1871981985 (Pennsylvania)
- 3,488 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85259 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCOTTSDALE, AZ 85259
SCOTTSDALE, AZ 85259
SCOTTSDALE, AZ 85259
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 Stephanie Grimes's NPI number?
The NPI number for Stephanie Grimes is 1255705422. It was assigned to this individual provider in the NPPES registry on November 25, 2015. The provider is also known as Stephanie Ellis.
Where is Stephanie Grimes located?
Stephanie Grimes practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.
What is Stephanie Grimes's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Stephanie Grimes enrolled in Medicare?
Yes. Stephanie Grimes 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 Stephanie Grimes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Grimes reassigns Medicare benefits to 3 organizations: Mayo Clinic Arizona (Scottsdale, AZ), Northwest Hbp Medical Services LLC (Tucson, AZ) and University Of Penn-Medical Group (Berwyn, PA). 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 Stephanie Grimes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stephanie Grimes was last updated on April 9, 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.
# Stephanie Renee Grimes, NP · NPI 1255705422
Nurse Practitioner physician in Scottsdale, Arizona. Individual provider, active in the CMS NPPES registry since November 25, 2015.
## Identity
- **NPI:** 1255705422 (Entity type: Individual)
- **Enumerated:** November 25, 2015
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 304420 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 13400 E SHEA BLVD, Scottsdale, AZ 85259-5499
- **Phone:** (480) 301-8000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic Arizona (NPI 1558332494, Scottsdale, AZ); Northwest Hbp Medical Services LLC (NPI 1407353006, Tucson, AZ); University Of Penn-Medical Group (NPI 1396133559, Berwyn, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1255705422) · Data from the CMS NPPES public registry.