DR. THOMAS GRAHAM TROOP M.D.
NPI 1104893403
Family Medicine in Aledo, IL
About Dr. Thomas Graham Troop M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS GRAHAM TROOP M.D. (NPI 1104893403) is an individual family medicine provider in Aledo, Illinois, licensed in Montana (6457) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with St Vincent Healthcare, and is a graduate of Southern Illinois University School Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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. Thomas Graham Troop M.d. 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 Thomas Troop reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hardin, MT 59034
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Scl Health Montana
- 186 clinicians in this Medicare group
Butte, MT 59701
- Reassigned Medicare billing, Montana enrollment
- 69 clinicians in this Medicare group
Missoula, MT 59804
- Reassigned Medicare billing, Montana enrollment
- 155 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 4
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.
St Vincent Healthcare
Acute Care Hospitals · Billings, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61231 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Thomas Troop's NPI number?
The NPI number for Thomas Troop is 1104893403. It was assigned to this individual provider in the NPPES registry on March 6, 2006.
Where is Thomas Troop located?
Thomas Troop practices at 372 230th St, Aledo, IL 61231. The listed phone number is (406) 366-0148.
What is Thomas Troop's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Thomas Troop enrolled in Medicare?
Yes. Thomas Troop 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 Thomas Troop's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Troop reassigns Medicare benefits to 3 organizations: St Vincent Healthcare (Hardin, MT), Hospitalist Medicine Physicians Of Montana - Tcs PC (Butte, MT) and Cogent Healthcare Of Montana P C (Missoula, 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 Thomas Troop's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Troop accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Thomas Troop 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 Thomas Troop affiliated with any hospitals?
According to CMS data, Thomas Troop is affiliated with St Vincent Healthcare.
When was this NPI record last updated?
The NPPES record for Thomas Troop was last updated on February 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.