DR. MICHAEL THOMPSON GROOVER D.O.
NPI 1023455748
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Billings, MT
About Dr. Michael Thompson Groover D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL THOMPSON GROOVER D.O. (NPI 1023455748) is an individual adult reconstructive orthopaedic surgery provider in Billings, Montana, licensed in Montana (73170) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with St Vincent Healthcare, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Group Practice 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
Dr. Michael Thompson Groover D.o. 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 Michael Groover reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 30 clinicians in this Medicare group
Lovell, WY 82431
- Reassigned Medicare billing, Wyoming enrollment
- Also billed through NPI 1750485793 (Wyoming)
- 50 clinicians in this Medicare group
Miles City, MT 59301
- Reassigned Medicare billing, Montana enrollment
- 88 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 18
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Vincent Healthcare
Acute Care Hospitals · Billings, MTBeartooth Billings Clinic
Critical Access Hospitals · Red Lodge, MTCentral Montana Medical Center
Critical Access Hospitals · Lewistown, MTHoly Rosary Healthcare
Critical Access Hospitals · Miles City, MTNorth Big Horn Hospital District
Critical Access Hospitals · Lovell, WYReferred Medical Equipment & Supplies CMS DME claims 7
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.
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 Michael Groover's NPI number?
The NPI number for Michael Groover is 1023455748. It was assigned to this individual provider in the NPPES registry on June 4, 2013.
Where is Michael Groover located?
Michael Groover practices at 2900 12th Ave N Ste 140W, Billings, MT 59101. The listed phone number is (406) 237-5050.
What is Michael Groover's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.
Is Michael Groover enrolled in Medicare?
Yes. Michael Groover 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 Michael Groover's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Groover reassigns Medicare benefits to 3 organizations: Ortho Montana, Psc (Billings, MT), North Big Horn Hospital District (Lovell, WY) and Holy Rosary Healthcare (Miles City, MT). 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 Michael Groover's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Groover accept?
Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Michael Groover 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 Michael Groover affiliated with any hospitals?
According to CMS data, Michael Groover is affiliated with St Vincent Healthcare, Beartooth Billings Clinic, Central Montana Medical Center, Holy Rosary Healthcare and North Big Horn Hospital District.
When was this NPI record last updated?
The NPPES record for Michael Groover was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.