NPPES file of Aug 9, 2026

Douglas S. Marbarger, PA-C

Medical Physician Assistant · Kalispell, MT

Douglas S. Marbarger, PA-C is a medical physician assistant with a practice address in Kalispell, Montana, and NPI 1114252327, issued on Oct 5, 2009. Check the license (Montana 586, 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
1114252327
Name
Douglas S. Marbarger
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
586 MT
Self-reported in NPPES; status is on the state search
Practice location
160 Heritage Way Ste 202, Kalispell, MT 59901
Phone
(406) 752-8433
Enumerated
Oct 5, 2009
Record last updated
Nov 27, 2023
Fax
(406) 756-6768
Medicare enrollment
Enrolled (PECOS I20100915000268); 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.
Download card Updates feed

Also registered at 160 Heritage Way Ste 202

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

  1. Rachael Alsbury, FNP-CPrimary Care Nurse Practitioner1265916589
  2. Jonathan Anderson, MDFamily Medicine Physician1356397533
  3. Anne Armstrong, PA-CMedical Physician Assistant1972559151
  4. Brittan Austin-Hammer, PA-CPhysician Assistant1346026036
  5. Justin Barnett, FNPNurse Practitioner1730842527
  6. Mae Berentson, NPNurse Practitioner1972558120

Verify Douglas S. Marbarger 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 586
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

58% fewer Medicare Part D claims than the average medical physician assistant in 2024

484 Medicare Part D claims for 324 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Douglas Marbarger484
  2. Specialty average1,148

Most prescribed

  1. Doxycycline Monohydrate62 claims
  2. Prednisone51 claims
  3. Cephalexin35 claims
  4. Amoxicillin-Clavulanate Potass34 claims
  5. Methylprednisolone24 claims
  6. Hydrocodone-Acetaminophen22 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. Kalispell Regional Medical Center IncKalispell, MT

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

Douglas S. Marbarger among 269 medical physician assistant records in Montana

Douglas S. Marbarger, PA-C is one of 269 medical physician assistant records with a practice address in Montana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 47% of them.

  • NPI issued2009 · 47% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2009 · median 2011 among the 193 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 medical physician assistant records list a practice address in Kalispell

They are 23 of the 1,650 NPPES records with a practice address in Kalispell, and 269 medical physician assistant records in Montana.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Anne Armstrong, PA-CKalispell, MT 599011972559151
  2. Linh Barinowski, PA-CKalispell, MT 599011396798252
  3. Shelley DuganKalispell, MT 599011922089705
  4. Marta Graves, PA-CKalispell, MT 599011346400975
  5. Cheryl Green, P.A.Kalispell, MT 599011730189861
  6. Maureen Kunz, PA-CKalispell, MT 599011184793887
  7. Libbie Lapp, PACKalispell, MT 599011225104052
  8. Jodi Leeper, PACKalispell, MT 599011598747180

Common questions

What is Douglas S. Marbarger, PA-C's NPI number?

Douglas S. Marbarger, PA-C's National Provider Identifier (NPI) is 1114252327, issued on Oct 5, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Douglas S. Marbarger, PA-C located?

The NPPES record lists a practice address at 160 Heritage Way Ste 202, Kalispell, MT, 59901. Phone: (406) 752-8433. Providers update this record themselves, so call before visiting.

How can I verify Douglas S. Marbarger, PA-C's license?

NPPES lists Montana license number 586, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Douglas S. Marbarger, PA-C prescribe under Medicare Part D?

In 2024, Douglas S. Marbarger, PA-C had 484 Medicare Part D claims for 324 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.