Per Sommer, M.D.
Interventional Cardiology Physician · Billings, MT
Per Sommer, M.D. is an interventional cardiology physician with a practice address in Billings, Montana, and NPI 1396075297, issued on Dec 28, 2009. Check the license (Montana MED-PHYS-LIC-39984, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Per Sommer
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- MED-PHYS-LIC-39984 MT
Self-reported in NPPES; status is on the state search - Practice location
- 801 N 29TH St, Billings, MT 59101
- Phone
- (406) 238-2500
- Enumerated
- Dec 28, 2009
- Record last updated
- Feb 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20221215000954); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 26 in Montana → Look up another NPI →
Also registered at 801 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kylie Abeson, MD, MPHPediatrics Physician1699334987
- Juan Adams, M.D.Allergy & Immunology Physician1144512096
- Daniel AlmeStudent in an Organized Health Care Education/Training Program1477349165
- Luis Alvarez, MDClinical Cardiac Electrophysiology Physician1417951922
- Annalee Anderson, MA, CCC-SLPSpeech-Language Pathologist1083047088
- Bijan Andrade, DPMFoot & Ankle Surgery Podiatrist1891059556
Verify Per Sommer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-39984Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
1,804 Medicare Part D claims for 339 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Succinate180 claims
- Atorvastatin Calcium152 claims
- Eliquis135 claims
- Amlodipine Besylate124 claims
- Losartan Potassium123 claims
- Clopidogrel90 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: $7,711.69
91 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 6,394 providers of this specialty with any payment received $7,062.29 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
- Honorhealth AmbulatoryPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Per Sommer among 26 interventional cardiology physician records in Montana
Per Sommer, M.D. is one of 26 interventional cardiology 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 2009, is newer than 77% of them.
- NPI issued2009 · 77% of these records are older, 15% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2007 · median 2002 among the 19 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Montana
There are 26 interventional cardiology physician records in Montana.
All 26 in Montana → Every provider in Billings → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Shunsuke Aoi, M.D.Billings, MT 591011447593181
- Edward Dean, MDBillings, MT 591011659376135
- Ronald Henckel, MDBillings, MT 591011750510624
- Claudia Lama Von Buchwald, MDBillings, MT 591011447636451
- Robert Minor, M.D.Billings, MT 591011740209261
- Brian Rah, MDBillings, MT 591011518995158
- Robert Terry, MDBillings, MT 591011588669071
- Cindy Tom, MDBillings, MT 591011811104433
Common questions
What is Per Sommer, M.D.'s NPI number?
Per Sommer, M.D.'s National Provider Identifier (NPI) is 1396075297, issued on Dec 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Per Sommer, M.D. located?
The NPPES record lists a practice address at 801 N 29TH St, Billings, MT, 59101. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.
How can I verify Per Sommer, M.D.'s license?
NPPES lists Montana license number MED-PHYS-LIC-39984, 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 Per Sommer, M.D. prescribe under Medicare Part D?
In 2024, Per Sommer, M.D. had 1,804 Medicare Part D claims for 339 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.