THOMAS E. FLASS MD
NPI 1770639387
Pediatrics - Pediatric Gastroenterology in Kalispell, MT
About Thomas E. Flass Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS E. FLASS MD (NPI 1770639387) is an individual pediatric gastroenterology provider in Kalispell, Montana, licensed in Montana (11730) and active in the NPI registry since January 2007. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer and maintains a secondary practice location in Kalispell.
NPPES Registry Identity
Specialties & Licenses
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Thomas E. Flass Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2025 through July 1, 2027.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
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 Thomas Flass's NPI number?
The NPI number for Thomas Flass is 1770639387. It was assigned to this individual provider in the NPPES registry on January 26, 2007.
Where is Thomas Flass located?
Thomas Flass practices at 195 Commons Loop Ste D, Kalispell, MT 59901. The listed phone number is (406) 501-6570.
What is Thomas Flass's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Thomas Flass enrolled in Medicare?
No. Thomas Flass has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
What insurance does Thomas Flass accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Thomas Flass 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.
When was this NPI record last updated?
The NPPES record for Thomas Flass was last updated on December 13, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
