Trent Donald Mihalick, M.D.
Radiation Oncology Physician · Billings, MT
Trent Donald Mihalick, M.D. is a radiation oncology physician with a practice address in Billings, Montana, and NPI 1942306063, issued on Sep 16, 2006. Check the license (Montana 7435, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Trent Donald Mihalick
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 7435 MT
25955 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1315 Golden Valley Cir, Billings, MT 59102
- Phone
- (406) 238-6290
- Enumerated
- Sep 16, 2006
- Record last updated
- Oct 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (406) 238-6280
- Medicaid IDs
- 0089335 KY
807866400 ID
8496622 WA - Medicare enrollment
- Enrolled (PECOS I20050128000886); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 24 in Montana → Look up another NPI →
Also registered at 1315 Golden Valley Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carrie Barnhart, PHARMDOncology Pharmacist1902584857
- David Christianson, M.D.Hematology & Oncology Physician1770565871
- Patrick Cobb, M.D.Hematology & Oncology Physician1710968219
- Troy Fiddler, M.D.Hematology & Oncology Physician1730130311
- Aidan Guthridge, PHARMDOncology Pharmacist1609536804
- Erin Juedeman, RPHOncology Pharmacist1114870219
Verify Trent Donald Mihalick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 7435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average radiation oncology physician in 2024
87 Medicare Part D claims for 46 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Tamsulosin Hcl35 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: $29.96
1 payment: food and beverage; the largest payer was Siemens Medical Solutions USA, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- 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).
Trent Donald Mihalick among 24 radiation oncology physician records in Montana
Trent Donald Mihalick, M.D. is one of 24 radiation oncology physician records with a practice address in Montana. 79% 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 21% of them.
- NPI issued2006 · 21% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1987 · median 1997 among the 19 with a school on file
- Record last updated2019 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Montana
There are 24 radiation oncology physician records in Montana.
All 24 in Montana → Every provider in Billings → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Frank Lamm, MDBillings, MT 591021417949033
- Rebecca Tarlton, MDBillings, MT 591021083655393
- Christopher Goulet, M.D.Billings, MT 591011437137155
- John Schallenkamp, MDBillings, MT 591011265455018
- Breanne Terakedis, M.D.Billings, MT 591011609010578
- Ralf Kiehl, MDSidney, MT 592701760483788
- Robert Pfeffer, M.D.Sidney, MT 592701679563639
- Joseph Clyde, MDGreat Falls, MT 594051710478698
Common questions
What is Trent Donald Mihalick, M.D.'s NPI number?
Trent Donald Mihalick, M.D.'s National Provider Identifier (NPI) is 1942306063, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Trent Donald Mihalick, M.D. located?
The NPPES record lists a practice address at 1315 Golden Valley Cir, Billings, MT, 59102. Phone: (406) 238-6290. Providers update this record themselves, so call before visiting.
How can I verify Trent Donald Mihalick, M.D.'s license?
NPPES lists Montana license number 7435, 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 Trent Donald Mihalick, M.D. prescribe under Medicare Part D?
In 2024, Trent Donald Mihalick, M.D. had 87 Medicare Part D claims for 46 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.