NPPES file of Aug 9, 2026

Linda M. Ries, MD

Hematology & Oncology Physician · Missoula, MT

Linda M. Ries, MD is a hematology & oncology physician with a practice address in Missoula, Montana, and NPI 1922034693, issued on Jun 24, 2006. Check the license (Montana 10771, 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
1922034693
Name
Linda M. Ries
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
10771 MT
Self-reported in NPPES; status is on the state search
Practice location
500 West Broadway, Missoula, MT 59802
Phone
(406) 728-2539
Enumerated
Jun 24, 2006
Record last updated
Jun 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(406) 728-2709
Medicare enrollment
Enrolled (PECOS I20050616001022); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 1999
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 500 West Broadway

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

  1. Kristin Airhart, LCSWClinical Social Worker1285895839
  2. Lar Autio, MDFamily Medicine Physician1902850365
  3. J Caldwell, MDInternal Medicine Physician1518911924
  4. Elaine Carmichael, PTPhysical Therapist1952342941
  5. Joshua Christensen, MDInfectious Disease Physician1316093917
  6. Ann Corsi, MDRheumatology Physician1568418630

Verify Linda M. Ries 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 10771
    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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22% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,067 Medicare Part D claims for 192 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 50 claims were for opioids.

  1. Linda Ries1,067
  2. Specialty average877

Most prescribed

  1. Anastrozole207 claims
  2. Hydroxyurea89 claims
  3. Tamoxifen Citrate62 claims
  4. Dexamethasone59 claims
  5. Eliquis48 claims
  6. Prochlorperazine Maleate48 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 2 group practices

  1. Providence Health And Services MtMissoula, MT
  2. Rchp Billings - Missoula LLCMissoula, MT

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

Linda M. Ries among 44 hematology & oncology physician records in Montana

Linda M. Ries, MD is one of 44 hematology & oncology physician records with a practice address in Montana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 36% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1999 · median 2000 among the 28 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Montana

There are 44 hematology & oncology physician records in Montana.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Patrick Beatty, MDMissoula, MT 598021609803543
  2. John Linford, M.D.Missoula, MT 598021396949244
  3. William Nichols, MDMissoula, MT 598021518994458
  4. Aurora Norman, MDMissoula, MT 598021053976514
  5. Sarah Scott, MDMissoula, MT 598021144335530
  6. Michael Snyder, MDMissoula, MT 598021306872999
  7. Karl Sorenson, M.D.Missoula, MT 598021114306230
  8. Stephen Speckart, MDMissoula, MT 598021376579045

Common questions

What is Linda M. Ries, MD's NPI number?

Linda M. Ries, MD's National Provider Identifier (NPI) is 1922034693, issued on Jun 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Linda M. Ries, MD located?

The NPPES record lists a practice address at 500 West Broadway, Missoula, MT, 59802. Phone: (406) 728-2539. Providers update this record themselves, so call before visiting.

How can I verify Linda M. Ries, MD's license?

NPPES lists Montana license number 10771, 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 Linda M. Ries, MD prescribe under Medicare Part D?

In 2024, Linda M. Ries, MD had 1,067 Medicare Part D claims for 192 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.