Katherine Flass, PA-C
Physician Assistant · Kalispell, MT
Katherine Flass, PA-C is a physician assistant with a practice address in Kalispell, Montana, and NPI 1457653347, issued on Nov 26, 2010. Check the license (Montana 19475, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Flass
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 19475 MT
3029 CO
Self-reported in NPPES; status is on the state search - Practice location
- 160 Heritage Way, Kalispell, MT 59901
- Phone
- (406) 752-8433
- Enumerated
- Nov 26, 2010
- Record last updated
- Nov 27, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 698 in Montana → Look up another NPI →
Also registered at 160 Heritage Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Grace Caplan, RDRegistered Dietitian1194138974
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Verify Katherine Flass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 19475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $38.61
2 payments; by number, the most common kind was food and beverage; the largest payer was Ascendis Pharma Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katherine Flass among 698 physician assistant records in Montana
Katherine Flass, PA-C is one of 698 physician assistant records with a practice address in Montana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 34% of them.
- NPI issued2010 · 34% of these records are older, 64% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 physician assistant records list a practice address in Kalispell
They are 63 of the 1,650 NPPES records with a practice address in Kalispell, and 698 physician assistant records in Montana.
All 698 in Montana → Every provider in Kalispell → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kyle Austin, P.A.Kalispell, MT 599011013959048
- Laura Barker, PA-C, RDKalispell, MT 599011720058365
- Susan Cahill, PA-CKalispell, MT 599011023183993
- Kristy Ehrmantraut, P.A.-CKalispell, MT 599011386752186
- Dirk Gillette, PAKalispell, MT 599011508805920
- Robert Griffin, PACKalispell, MT 599011588632236
- William Hunt, PAKalispell, MT 599011518058205
- Marci Mangold, PACKalispell, MT 599011932262052
Common questions
What is Katherine Flass, PA-C's NPI number?
Katherine Flass, PA-C's National Provider Identifier (NPI) is 1457653347, issued on Nov 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Flass, PA-C located?
The NPPES record lists a practice address at 160 Heritage Way, Kalispell, MT, 59901. Phone: (406) 752-8433. Providers update this record themselves, so call before visiting.
How can I verify Katherine Flass, PA-C's license?
NPPES lists Montana license number 19475, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
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.