MRS. DANA GRENIER FNP-BC
NPI 1003287947
Nurse Practitioner - Family in Rock Springs, WY
About Mrs. Dana Grenier Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. DANA GRENIER FNP-BC (NPI 1003287947) is an individual family provider in Rock Springs, Wyoming, licensed in Wyoming (23508-1446) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, is affiliated with Cheyenne Regional Medical Center, and maintains a secondary practice location in Rock Springs.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Mrs. Dana Grenier Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dana Grenier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rock Springs, WY 82901
- Reassigned Medicare billing, Wyoming enrollment
- 7 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 3
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.
Cheyenne Regional Medical Center
Acute Care Hospitals · Cheyenne, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 82901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 16
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
ROCK SPRINGS, WY 82901
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 Dana Grenier's NPI number?
The NPI number for Dana Grenier is 1003287947. It was assigned to this individual provider in the NPPES registry on October 19, 2015.
Where is Dana Grenier located?
Dana Grenier practices at 2706 Ankeny Way, Rock Springs, WY 82901. The listed phone number is (307) 352-6689.
What is Dana Grenier's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Dana Grenier enrolled in Medicare?
Yes. Dana Grenier is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dana Grenier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dana Grenier reassigns Medicare benefits to Southwest Counseling Service (Rock Springs, WY). The 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 Dana Grenier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dana Grenier accept?
Health plans from Blue Cross Blue Shield of Wyoming and UnitedHealthcare list Dana Grenier 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 Dana Grenier affiliated with any hospitals?
According to CMS data, Dana Grenier is affiliated with Cheyenne Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Dana Grenier was last updated on August 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Mrs. Dana Grenier, FNP-BC · NPI 1003287947
Family physician in Rock Springs, Wyoming. Individual provider, active in the CMS NPPES registry since October 19, 2015.
## Identity
- **NPI:** 1003287947 (Entity type: Individual)
- **Enumerated:** October 19, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 23508-1446 (Wyoming)
- **Sole proprietor:** No
## Practice location
- **Address:** 2706 ANKENY WAY, Rock Springs, WY 82901-5649
- **Phone:** (307) 352-6689
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southwest Counseling Service (NPI 1588946727, Rock Springs, WY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** August 19, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1003287947) · Data from the CMS NPPES public registry.