Amanda Opfer, D.O.
Emergency Medicine Physician · Butte, MT
Amanda Opfer, D.O. is an emergency medicine physician with a practice address in Butte, Montana, and NPI 1285021469, issued on Apr 24, 2015. Check the license (Montana 71926, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Amanda Opfer
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 71926 MT
Self-reported in NPPES; status is on the state search - Practice location
- 400 S Clark St, Butte, MT 59701
- Phone
- (406) 723-2585
- Enumerated
- Apr 24, 2015
- Record last updated
- Aug 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20190606002097); accepts Medicare assignment
- Medical or professional school
- Rocky Vista University College Of Osteopathic Med, 2011
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 243 in Montana → Look up another NPI →
Also registered at 400 S Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danae Aplas, MDAnesthesiology Physician1144236498
- Catherine BartholomewPhysical Therapy Assistant1184010787
- Pamela Blando, ATCAthletic Trainer1639208895
- Shelby Box, ATCAthletic Trainer1982825816
- Megan Bristol, MSN, RN, CNMAdvanced Practice Midwife1689327165
- Kendra Brown, NPNurse Practitioner1881171700
Verify Amanda Opfer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 71926Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average emergency medicine physician in 2024
145 Medicare Part D claims for 94 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Ondansetron Odt19 claims
- Hydrocodone-Acetaminophen16 claims
- Cephalexin14 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
- Barrett Hospital Development CorporationDillon, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amanda Opfer among 243 emergency medicine physician records in Montana
Amanda Opfer, D.O. is one of 243 emergency medicine physician records with a practice address in Montana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2011 · median 2009 among the 144 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Montana
There are 243 emergency medicine physician records in Montana.
All 243 in Montana → Every provider in Butte → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- William Ellis, M.D.Butte, MT 597011821025792
- Debra Lewis, MDButte, MT 597011457388324
- Alan Mayer, M.D.Butte, MT 597011629005426
- Barrett Adams, M.DAnaconda, MT 597111043365067
- Fredrick Bartoletti, M.D.Anaconda, MT 597111508989971
- Rishona Corson, M.D.Anaconda, MT 597111821268111
- Douglas Dunham, D.O.Anaconda, MT 597111598938318
- Daniel Hartmann, MDAnaconda, MT 597111578519369
Common questions
What is Amanda Opfer, D.O.'s NPI number?
Amanda Opfer, D.O.'s National Provider Identifier (NPI) is 1285021469, issued on Apr 24, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Amanda Opfer, D.O. located?
The NPPES record lists a practice address at 400 S Clark St, Butte, MT, 59701. Phone: (406) 723-2585. Providers update this record themselves, so call before visiting.
How can I verify Amanda Opfer, D.O.'s license?
NPPES lists Montana license number 71926, 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 Amanda Opfer, D.O. prescribe under Medicare Part D?
In 2024, Amanda Opfer, D.O. had 145 Medicare Part D claims for 94 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.