NPPES file of Aug 9, 2026

Kristen Marie Lahaise, PA-C

Physician Assistant · Hamilton, MT

Kristen Marie Lahaise, PA-C is a physician assistant with a practice address in Hamilton, Montana, and NPI 1275226375, issued on Jun 2, 2023. Check the license (Montana MED-PAC-LIC-127396, as entered in NPPES) with the Montana board that licenses this profession; 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
1275226375
Name
Kristen Marie Lahaise
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
MED-PAC-LIC-127396 MT
Self-reported in NPPES; status is on the state search
Practice location
1200 Westwood Dr, Hamilton, MT 59840
Phone
(406) 363-2211
Enumerated
Jun 2, 2023
Record last updated
Nov 12, 2024
Medicaid IDs
200016887 MT
1275226375 ID
Medicare enrollment
Enrolled (PECOS I20230922001739); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1200 Westwood Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clinton Adkins, DOEmergency Medicine Physician1245283282
  2. Patrick Anderson, OTD, OTR/LOccupational Therapist1255099289
  3. Jessica Antisdel, CRNACertified Registered Nurse Anesthetist1134798044
  4. Walker Ashcraft, MDFamily Medicine Physician1265485114
  5. William AshfordParamedic1821931445
  6. Gina Basque, RN, BSNEmergency Registered Nurse1902720998

Verify Kristen Marie Lahaise in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license MED-PAC-LIC-127396
    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
Find the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3% fewer Medicare Part D claims than the average physician assistant in 2024

804 Medicare Part D claims for 194 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. Kristen Lahaise804
  2. Specialty average830

Most prescribed

  1. Losartan Potassium44 claims
  2. Atorvastatin Calcium39 claims
  3. Simvastatin25 claims
  4. Amlodipine Besylate23 claims
  5. Ondansetron Odt23 claims
  6. Metoprolol Succinate20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Marcus Daly Memorial Hospital CorporationHamilton, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kristen Marie Lahaise among 698 physician assistant records in Montana

Kristen Marie Lahaise, 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 2023, is newer than 85% of them.

  • NPI issued2023 · 85% of these records are older, 9% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2023 · median 2016 among the 514 with a school on file
  • Record last updated2024 · 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).

11 physician assistant records list a practice address in Hamilton

They are 11 of the 399 NPPES records with a practice address in Hamilton, and 698 physician assistant records in Montana.

The 8 physician assistant records with the nearest ZIP codes

  1. Taylor Anderson, PA-CHamilton, MT 598401639958275
  2. Barbara Burke, PA-CHamilton, MT 598401386746600
  3. Edward Cleary, PA-CHamilton, MT 598401790566321
  4. Hugh Gapay, PA-CHamilton, MT 598401396968202
  5. Patrick Grimm, PA-CHamilton, MT 598401154318574
  6. Jean Higgins Peretto, PAHamilton, MT 598401821196387
  7. Shaun Lalonde, PA-CHamilton, MT 598401386944528
  8. David Nolan, PA-CHamilton, MT 598401669464392

Common questions

What is Kristen Marie Lahaise, PA-C's NPI number?

Kristen Marie Lahaise, PA-C's National Provider Identifier (NPI) is 1275226375, issued on Jun 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Marie Lahaise, PA-C located?

The NPPES record lists a practice address at 1200 Westwood Dr, Hamilton, MT, 59840. Phone: (406) 363-2211. Providers update this record themselves, so call before visiting.

How can I verify Kristen Marie Lahaise, PA-C's license?

NPPES lists Montana license number MED-PAC-LIC-127396, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Kristen Marie Lahaise, PA-C prescribe under Medicare Part D?

In 2024, Kristen Marie Lahaise, PA-C had 804 Medicare Part D claims for 194 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.