NPPES file of Aug 9, 2026

James Michael Wiesner, PA-C

Physician Assistant · Billings, MT

James Michael Wiesner, PA-C is a physician assistant with a practice address in Billings, Montana, and NPI 1528451358, issued on Mar 18, 2015. Check the license 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
1528451358
Name
James Michael Wiesner
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1101 N 27TH St, Billings, MT 59101
Phone
(406) 237-7000
Enumerated
Mar 18, 2015
Record last updated
Mar 18, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150708000644); 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 1101 N 27TH St

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

  1. Joseph Apostol, M.D.Cardiovascular Disease Physician1497781512
  2. K. Davis, PHDClinical Neuropsychologist1144263096
  3. Crystal Dvorak, AU.D.Audiologist1902165491
  4. David Gumm, PHDClinical Neuropsychologist1689617532
  5. Belinda Hartley, MDPsychiatry Physician1689612228
  6. Christina Ho, M.D.Family Medicine Physician1730327974

Verify James Michael Wiesner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this professionCheck 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
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5.9 times the Medicare Part D claims of the average physician assistant in 2024

4,893 Medicare Part D claims for 182 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 304 claims were for opioids.

  1. James Wiesner4,893
  2. Specialty average830

Most prescribed

  1. Sertraline Hcl234 claims
  2. Potassium Chloride218 claims
  3. Levothyroxine Sodium175 claims
  4. Metoprolol Succinate166 claims
  5. Gabapentin161 claims
  6. Warfarin Sodium157 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: $18.10

1 payment: food and beverage; the largest payer was Lilly USA, LLC. 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. James Wiesner$18.10
  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 one group practice

  1. Scl Health Medical Group - Billings LLCBillings, MT

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

James Michael Wiesner among 698 physician assistant records in Montana

James Michael Wiesner, 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
  • Graduated2014 · 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).

170 physician assistant records list a practice address in Billings

They are 170 of the 4,035 NPPES records with a practice address in Billings, and 698 physician assistant records in Montana.

The 8 physician assistant records with the nearest ZIP codes

  1. Susan Cerovski, PABillings, MT 591011891771622
  2. Linda Dupree, PACBillings, MT 591011073516167
  3. John Etchart, PA-CBillings, MT 591011124010830
  4. Kathryn Hall, PA-CBillings, MT 591011366438285
  5. Myrna Mentikov, PA-CBillings, MT 591011750377735
  6. Lisa Murray, PA-CBillings, MT 591011821084369
  7. Deanna Niles, PA-CBillings, MT 591011881666261
  8. Mark Pierson, PA-CBillings, MT 591011508858234

Common questions

What is James Michael Wiesner, PA-C's NPI number?

James Michael Wiesner, PA-C's National Provider Identifier (NPI) is 1528451358, issued on Mar 18, 2015. An NPI identifies a provider in billing; it is not a license.

Where is James Michael Wiesner, PA-C located?

The NPPES record lists a practice address at 1101 N 27TH St, Billings, MT, 59101. Phone: (406) 237-7000. Providers update this record themselves, so call before visiting.

How can I verify James Michael Wiesner, PA-C's license?

Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does James Michael Wiesner, PA-C prescribe under Medicare Part D?

In 2024, James Michael Wiesner, PA-C had 4,893 Medicare Part D claims for 182 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.