NPPES file of Aug 9, 2026

Grant Richard Gunderson, MD

Student in an Organized Health Care Education/Training Program · Billings, MT

Grant Richard Gunderson, MD is a student in an organized health care education/training program with a practice address in Billings, Montana, and NPI 1356101265, issued on Mar 19, 2024. 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
1356101265
Name
Grant Richard Gunderson
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
2800 10TH Ave N, Billings, MT 59101
Phone
(406) 238-2210
Enumerated
Mar 19, 2024
Record last updated
Feb 17, 2025
Fax
(406) 238-2849
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2800 10TH Ave N

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

  1. Ellen Absher, FNP-CFamily Nurse Practitioner1609709997
  2. Kimberly Ackerman, FNPAdult Health Nurse Practitioner1922032861
  3. Deborah Agnew, MDPediatrics Physician1134178072
  4. Stefan AlinteCertified Registered Nurse Anesthetist1518899053
  5. Erin Allen, MDPediatrics Physician1801052758
  6. Nathan Allen, M.D.Emergency Medicine Physician1356676878

Verify Grant Richard Gunderson 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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26% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

136 Medicare Part D claims for 47 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Grant Gunderson136
  2. Specialty average185

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.

Grant Richard Gunderson among 276 student in an organized health care education/training program records in Montana

Grant Richard Gunderson, MD is one of 276 student in an organized health care education/training program records with a practice address in Montana. 20% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 35% of them.

  • NPI issued2024 · 35% of these records are older, 46% newer
  • In a Medicare fileYes · 20% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2025 · 12% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

127 student in an organized health care education/training program records list a practice address in Billings

They are 127 of the 4,035 NPPES records with a practice address in Billings, and 276 student in an organized health care education/training program records in Montana.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Eric Farmer, MDBillings, MT 591011477965622
  2. Brenda FlahertyBillings, MT 591011942657762
  3. Noridelle Gilo, MDBillings, MT 591011699913210
  4. Matthew Kovach, MD, DCBillings, MT 591011366719163
  5. Heather Loya, SLPBillings, MT 591011700179777
  6. Tiffany Mitchell, MDBillings, MT 591011629480876
  7. Nagarajan Muthu, MDBillings, MT 591011306231410
  8. Alicia Olson, M.D.Billings, MT 591011669603171

Common questions

What is Grant Richard Gunderson, MD's NPI number?

Grant Richard Gunderson, MD's National Provider Identifier (NPI) is 1356101265, issued on Mar 19, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Grant Richard Gunderson, MD located?

The NPPES record lists a practice address at 2800 10TH Ave N, Billings, MT, 59101. Phone: (406) 238-2210. Providers update this record themselves, so call before visiting.

How can I verify Grant Richard Gunderson, MD's license?

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

How much does Grant Richard Gunderson, MD prescribe under Medicare Part D?

In 2024, Grant Richard Gunderson, MD had 136 Medicare Part D claims for 47 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.