Thomas E. Flass, MD
Thomas E. Flass is a Pediatric Gastroenterology Physician provider (Pediatrics) practicing in Kalispell, MT, registered in the NPPES registry with NPI 1770639387 since 2007. The credential MD stands for Doctor of Medicine. Practices at Functional Medicine Associates of Montana (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1770639387 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Thomas E. Flass |
| Credential | MD |
| Sex | Male |
| Practice address | 195 COMMONS LOOP STE D, Kalispell, MT, 59901 |
| Phone | 4065016570 |
| Enumeration date | 2007-01-26 |
| Last updated in NPPES | 2025-12-13 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 2080P0206X | Pediatric Gastroenterology Physician | Secondary | 79324 | AZ |
| 2080P0206X | Pediatric Gastroenterology Physician | Primary | 11730 | MT |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Copy-ready billing details
Provider: Thomas Flass, MD NPI: 1770639387 Taxonomy: 2080P0206X (Pediatric Gastroenterology Physician) Address: 195 COMMONS LOOP STE D, Kalispell, MT, 59901
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1104648211 | Functional Medicine Associates of Montana | Organization | Family Medicine Physician | Kalispell, MT |
Verify this record
Cross-check NPI 1770639387 against the authoritative CMS record: view Thomas E. Flass on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-12-13.