NPPES file of Aug 9, 2026

Luke James Altenhofen, PA-C

Physician Assistant · Lame Deer, MT

Luke James Altenhofen, PA-C is a physician assistant with a practice address in Lame Deer, Montana, and NPI 1407221708, issued on Dec 11, 2015. Check the license (Montana MED-PAC-LIC-43734, 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
1407221708
Name
Luke James Altenhofen
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
MED-PAC-LIC-43734 MT
Self-reported in NPPES; status is on the state search
Practice location
100 Cheyenne Ave, Lame Deer, MT 59043
Phone
(406) 477-4414
Enumerated
Dec 11, 2015
Record last updated
Dec 11, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180110000983); 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 100 Cheyenne Ave

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

  1. Jo Becker, RNRegistered Nurse1073766721
  2. Charles Bratsky, R.NGeneral Practice Registered Nurse1992125884
  3. Billie Brown, RNRegistered Nurse1366752446
  4. Nola Cowle, RNRegistered Nurse1275951980
  5. Torrey DarkenwaldDental Hygienist1093981508
  6. Stephen Emerson, RNEmergency Registered Nurse1306143177

Verify Luke James Altenhofen 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-43734
    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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21% fewer Medicare Part D claims than the average physician assistant in 2024

653 Medicare Part D claims for 108 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 45 claims were for opioids.

  1. Luke Altenhofen653
  2. Specialty average830

Most prescribed

  1. Losartan Potassium37 claims
  2. Lisinopril28 claims
  3. Levothyroxine Sodium19 claims
  4. Amlodipine Besylate17 claims
  5. Prednisone15 claims
  6. Eliquis14 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: $39.24

2 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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. Luke Altenhofen$39.24
  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.

Bills Medicare through 2 group practices

  1. Colstrip Medical CenterColstrip, MT
  2. Holy Rosary HealthcareMiles City, MT

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

Luke James Altenhofen among 698 physician assistant records in Montana

Luke James Altenhofen, 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 2015, is newer than 51% of them.

  • NPI issued2015 · 51% of these records are older, 44% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2015 · median 2016 among the 514 with a school on file
  • Record last updated2015 · 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).

4 physician assistant records list a practice address in Lame Deer

They are 4 of the 79 NPPES records with a practice address in Lame Deer, and 698 physician assistant records in Montana.

The 8 physician assistant records with the nearest ZIP codes

  1. Harold Jeanotte, PA-CLame Deer, MT 590431922214345
  2. Tara Salley, PA-CLame Deer, MT 590431598835811
  3. Kimberly Studiner, PALame Deer, MT 590431609058411
  4. Jade LipkaJoliet, MT 590411174338859
  5. Timothy Benson, PA-CLivingston, MT 590471780233957
  6. Kary Engle, PA-CLivingston, MT 590471235246646
  7. Rebecca Hintze, PACLivingston, MT 590471427145036
  8. Julia Marsik, PA-CLivingston, MT 590471740532290

Common questions

What is Luke James Altenhofen, PA-C's NPI number?

Luke James Altenhofen, PA-C's National Provider Identifier (NPI) is 1407221708, issued on Dec 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Luke James Altenhofen, PA-C located?

The NPPES record lists a practice address at 100 Cheyenne Ave, Lame Deer, MT, 59043. Phone: (406) 477-4414. Providers update this record themselves, so call before visiting.

How can I verify Luke James Altenhofen, PA-C's license?

NPPES lists Montana license number MED-PAC-LIC-43734, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Luke James Altenhofen, PA-C prescribe under Medicare Part D?

In 2024, Luke James Altenhofen, PA-C had 653 Medicare Part D claims for 108 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.