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Derek Davin Kastella

Physician Assistant β€’ Kalispell, MT

Active NPI 1932908480 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

160 Heritage Way Ste 202
Kalispell, MT 599013127

Call 4067528433 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

160 Heritage Way Ste 202

Kalispell, MT 599013127

Telephone 4067528433
Fax 4067566768
Organization at the Same NPPES Address or Phone
Kalispell Regional Medical Center Inc Facility NPI 1245283936

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Kalispell Regional Medical Center Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Medical School

University Of Virginia School Of Medicine

Graduation Year

2025

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2021–2025.

Guide: How to read an Open Payments record

Years since graduation

1 years (graduated 2025)

CMS Doctors and Clinicians data list 2025 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

NPI first issued

2025

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Derek Kastella has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Derek Kastella as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Kalispell and Montana

66 active clinicians are listed under Physician Assistant with a practice address in Kalispell, MT (716 in Montana).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Kalispell

22.7% of these 66 clinicians have the CMS telehealth indicator.

75.8% of these 66 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2025-10-09
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

License # reported to NPPES MT MED-PAC-LIC-163849

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Montana State Medical Licensing Board.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20251028001309

Enrollment State Jurisdiction

MT

PECOS Control ID

0042709339

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Kalispell Regional Medical Center Inc

160 Heritage Way, Kalispell, MT 599013127

Phone: 4067528433

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

26 listed
Rachael Alsbury , FNP-C

Nurse Practitioner - Primary Care

NPI 1265916589

Family Nurse Practitioner (Certified)

NPI 1356397533

Doctor of Medicine (M.D.)

Anne Armstrong , PA-C

Physician Assistant - Medical

NPI 1972559151

Physician Assistant (Certified)

Brittan Austin-Hammer , PA-C

Physician Assistant

NPI 1346026036

Physician Assistant (Certified)

Justin Barnett , FNP

Nurse Practitioner

NPI 1730842527

Family Nurse Practitioner

Mae Berentson , NP

Nurse Practitioner

NPI 1972558120

Nurse Practitioner

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

9 Historical Events
πŸ“
Updated Practice Location October 09, 2025

Registered at 160 HERITAGE WAY STE 202, KALISPELL, MT 599013127 (Tel: 4067528433)

πŸ“
Updated Business Mailing Address October 09, 2025

Registered at 160 HERITAGE WAY STE 202, KALISPELL, MT 599013127 (Tel: 4067528433)

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) October 09, 2025

Physician Assistant (license number reported to NPPES: MT MED-PAC-LIC-163849)

βœ…
NPI Profile Active March 10, 2025

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) March 10, 2025

Registered at 4311 11TH AVE NE STE 200, SEATTLE, WA 981056367 (Tel: 2066164001)

πŸ“
Business Mailing Address (Initial Record) March 10, 2025

Registered at 4311 11TH AVE NE STE 200, SEATTLE, WA 981056367

πŸ‘€
Provider Name / Credentials (Initial Record) March 10, 2025

Recorded as DEREK KASTELLA

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) March 10, 2025

Student in an Organized Health Care Education/Training Program

🟒
Initial NPI Registration & Enumeration March 10, 2025

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1932908480
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 10, 2025
Last Update: October 09, 2025
Sole Proprietor: No

Other Physician Assistants in Kalispell

All Physician Assistants in Kalispell

Mailing Address

160 Heritage Way Ste 202

Kalispell, MT 599013127

Phone: 4067528433

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.