NPPES file of Aug 9, 2026

Peter Gordon Vondoersten, MD

Otolaryngology Physician · Missoula, MT

Peter Gordon Vondoersten, MD is an otolaryngology physician with a practice address in Missoula, Montana, and NPI 1619962990, issued on Sep 13, 2005. Check the license (Montana 8110, as entered in NPPES) on the Montana Board of Medical Examiners; 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
1619962990
Name
Peter Gordon Vondoersten
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
8110 MT
Self-reported in NPPES; status is on the state search
Practice location
700 W Kent Ave, Missoula, MT 59801
Phone
(406) 541-3277
Enumerated
Sep 13, 2005
Record last updated
Apr 10, 2025
Fax
(406) 541-3950
Medicaid IDs
0019773 MT
118619100 WY
804154700 ID
Medicare enrollment
Enrolled (PECOS I20111104000424); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 1989
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 700 W Kent Ave

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

  1. Karen Ahlstrom, MDOtolaryngology Physician1922058031
  2. Peter Babcock, O.D.Optometrist1972696995
  3. Jefferson BerrymanOphthalmology Physician1275995714
  4. Daniel Braby, MDOtolaryngology Physician1396731949
  5. Aaron BrannumOptician1922778471
  6. Marissa Cadena, PA-CPhysician Assistant1669013744

Verify Peter Gordon Vondoersten in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 8110
    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
Open 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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39% fewer Medicare Part D claims than the average otolaryngology physician in 2024

331 Medicare Part D claims for 121 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 58 claims were for opioids.

  1. Peter Vondoersten331
  2. Specialty average541

Most prescribed

  1. Ondansetron Odt58 claims
  2. Hydrocodone-Acetaminophen55 claims
  3. Ofloxacin53 claims
  4. Hydrochlorothiazide35 claims
  5. Cephalexin25 claims
  6. Triamterene-Hydrochlorothiazid17 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: $20.78

1 payment: food and beverage; the largest payer was Medtronic, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Vondoersten$20.78
  2. Specialty average$1,922.50

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

2 hospitals and group practices

  1. Providence St Joseph Medical CenterPolson, MT · Critical Access Hospitals
  2. Rocky Mountain Ear Nose And Throat Center PCMissoula, MT

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).

Peter Gordon Vondoersten among 39 otolaryngology physician records in Montana

Peter Gordon Vondoersten, MD is one of 39 otolaryngology physician records with a practice address in Montana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1989 · median 2000 among the 30 with a school on file
  • Record last updated2025 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Montana

There are 39 otolaryngology physician records in Montana.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Karen Ahlstrom, MDMissoula, MT 598011922058031
  2. Daniel Braby, MDMissoula, MT 598011396731949
  3. Jonathan Fowlkes, MDMissoula, MT 598011720346844
  4. Phillip Gardner, MDMissoula, MT 598011003843897
  5. Jeffrey Haller, MDMissoula, MT 598011194712307
  6. Thomas Hoshaw, M.D.Missoula, MT 598011205106234
  7. Duncan Watley, MDMissoula, MT 598011689023038
  8. Bradley Morris, MDMissoula, MT 598021013798149

Common questions

What is Peter Gordon Vondoersten, MD's NPI number?

Peter Gordon Vondoersten, MD's National Provider Identifier (NPI) is 1619962990, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Peter Gordon Vondoersten, MD located?

The NPPES record lists a practice address at 700 W Kent Ave, Missoula, MT, 59801. Phone: (406) 541-3277. Providers update this record themselves, so call before visiting.

How can I verify Peter Gordon Vondoersten, MD's license?

NPPES lists Montana license number 8110, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Peter Gordon Vondoersten, MD prescribe under Medicare Part D?

In 2024, Peter Gordon Vondoersten, MD had 331 Medicare Part D claims for 121 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.