NPPES file of Aug 9, 2026

Thomas E. Flass, MD

Pediatric Gastroenterology Physician · Kalispell, MT

Thomas E. Flass, MD is a pediatric gastroenterology physician with a practice address in Kalispell, Montana, and NPI 1770639387, issued on Jan 26, 2007. Check the license (Montana 11730, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770639387
Name
Thomas E. Flass
Credential
MD
Primary taxonomy
Pediatric Gastroenterology Physician 2080P0206X
License numbers
11730 MT
79324 AZ
Self-reported in NPPES; status is on the state search
Practice location
195 Commons Loop Ste D, Kalispell, MT 59901
Phone
(406) 501-6570
Enumerated
Jan 26, 2007
Record last updated
Dec 13, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Thomas E. Flass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 11730
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Montana license search

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Industry payments in 2024: $28.05

1 payment: food and beverage; the largest payer was Acadia Pharmaceuticals Inc. The 1,184 providers of this specialty with any payment received $2,585.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Flass$28.05
  2. Specialty average$2,585.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Pediatric Gastroenterology Physician providers in Montana

There are 3 pediatric gastroenterology physician records in Montana.

The 2 pediatric gastroenterology physician records with the nearest ZIP codes

  1. Daniel Lustig, MDKalispell, MT 599011952458747
  2. Lauren Willis, M.D.Missoula, MT 598041457393357

Common questions

What is Thomas E. Flass, MD's NPI number?

Thomas E. Flass, MD's National Provider Identifier (NPI) is 1770639387, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas E. Flass, MD located?

The NPPES record lists a practice address at 195 Commons Loop Ste D, Kalispell, MT, 59901. Phone: (406) 501-6570. Providers update this record themselves, so call before visiting.

How can I verify Thomas E. Flass, MD's license?

NPPES lists Montana license number 11730, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.