NPPES file of Aug 9, 2026

Caitlin Klaassen, PA

Physician Assistant · Helena, MT

Caitlin Klaassen, PA is a physician assistant with a practice address in Helena, Montana, and NPI 1093438756, issued on Sep 19, 2022. Check the license (Montana 115964, 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
1093438756
Name
Caitlin Klaassen
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
115964 MT
Self-reported in NPPES; status is on the state search
Practice location
1645 Vandelay Ave Ste 301, Helena, MT 59601
Phone
(406) 455-5000
Enumerated
Sep 19, 2022
Record last updated
Jan 8, 2025
Medicare enrollment
Enrolled (PECOS I20230223001472); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1645 Vandelay Ave Ste 301

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

  1. Daniel Bothwell, D.O.Family Medicine Physician1053762583
  2. Aaron Cross, D.O.Pain Medicine (Physical Medicine & Rehabilitation) Physician1053790501
  3. Chase Dukes, MDOrthopaedic Surgery Physician1518205822
  4. Karen Koch, DOFamily Medicine Physician1457359549
  5. Andrew Lester, DOFamily Medicine Physician1518455781
  6. John McHenry, M.D.Cardiovascular Disease Physician1750365193

Verify Caitlin Klaassen 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 115964
    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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1% fewer Medicare Part D claims than the average physician assistant in 2024

819 Medicare Part D claims for 226 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 349 claims were for opioids.

  1. Caitlin Klaassen819
  2. Specialty average830

Most prescribed

  1. Hydrocodone-Acetaminophen182 claims
  2. Gabapentin166 claims
  3. Pregabalin57 claims
  4. Cyclobenzaprine Hcl53 claims
  5. Tramadol Hcl47 claims
  6. Meloxicam34 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.

Industry payments in 2024: $108.07

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Caitlin Klaassen$108.07
  2. Specialty average$841.65

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

One hospital affiliation

  1. Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

49 physician assistant records list a practice address in Helena

They are 49 of the 1,591 NPPES records with a practice address in Helena, and 698 physician assistant records in Montana.

Other physician assistant records in Montana

  1. Jessika Abbrescia, PACKalispell, MT1740959915
  2. Cynthia Alarcon, PA-CHelena, MT1386981686
  3. Patrick Alduenda, PA-CHelena, MT1710967724
  4. Sheryl Alexander, D.C., P.A.Missoula, MT1326199951
  5. Jesse Alfiero, PA-CRonan, MT1396491155
  6. Robert Alfiero, PA-CRonan, MT1417029059
  7. Janel Allison-Shamblin, PA-CBozeman, MT1437626751
  8. Luke Altenhofen, PA-CLame Deer, MT1407221708
  9. Alexandra AlthofBillings, MT1487338034
  10. Brenda Anderson, PA-CKalispell, MT1912145467

Common questions

What is Caitlin Klaassen, PA's NPI number?

Caitlin Klaassen, PA's National Provider Identifier (NPI) is 1093438756, issued on Sep 19, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Caitlin Klaassen, PA located?

The NPPES record lists a practice address at 1645 Vandelay Ave Ste 301, Helena, MT, 59601. Phone: (406) 455-5000. Providers update this record themselves, so call before visiting.

How can I verify Caitlin Klaassen, PA's license?

NPPES lists Montana license number 115964, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Caitlin Klaassen, PA prescribe under Medicare Part D?

In 2024, Caitlin Klaassen, PA had 819 Medicare Part D claims for 226 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.