Chad A. Trierweiler, MD
Emergency Medicine Physician · Minnetonka, MN
Chad A. Trierweiler, MD is an emergency medicine physician with a practice address in Minnetonka, Minnesota, and NPI 1871705962, issued on May 3, 2007. Check the license (Minnesota 51813, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Chad A. Trierweiler
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 51813 MN
Self-reported in NPPES; status is on the state search - Practice location
- 5435 Feltl RD, Minnetonka, MN 55343
- Phone
- (952) 835-9880
- Enumerated
- May 3, 2007
- Record last updated
- Jan 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 1871705962 MN
- Medicare enrollment
- Enrolled (PECOS I20090612000469); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,348 in Minnesota → Look up another NPI →
Also registered at 5435 Feltl RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Amdahl, MDEmergency Medicine Physician1265636740
- Owen Anderson, M.D.Emergency Medicine Physician1720255433
- Robert Anderson, D.O.Emergency Medicine Physician1104066224
- Michael Bagan, MDEmergency Medicine Physician1255628806
- Peter Baggenstos, M.D. M.P.HEmergency Medicine Physician1265694418
- Rosemary Bailey, FNP-CFamily Nurse Practitioner1275043168
Verify Chad A. Trierweiler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 51813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average emergency medicine physician in 2024
192 Medicare Part D claims for 136 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 25 claims were for opioids.
Most prescribed
- Cephalexin20 claims
- Ondansetron Odt15 claims
- Prednisone12 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: $16.61
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Emergency Physicians Professional AssociationEagan, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad A. Trierweiler among 1,348 emergency medicine physician records in Minnesota
Chad A. Trierweiler, MD is one of 1,348 emergency medicine physician records with a practice address in Minnesota. 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 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 57% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2005 · median 2012 among the 818 with a school on file
- Record last updated2013 · 45% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 emergency medicine physician records list a practice address in Minnetonka
They are 62 of the 2,430 NPPES records with a practice address in Minnetonka, and 1,348 emergency medicine physician records in Minnesota.
All 1,348 in Minnesota → Every provider in Minnetonka → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John Amdahl, MDMinnetonka, MN 553431265636740
- Gregory Berglund, MDMinnetonka, MN 553431346231164
- Steven Clark, MDMinnetonka, MN 553431801800032
- Scott Gunderson, D.O.Minnetonka, MN 553431184637506
- Tracy Jonkman, M.D.Minnetonka, MN 553431598978876
- Christine Kletti, MDHopkins, MN 553431497708499
- Michael Knudson, M.D.Minnetonka, MN 553431780880039
- Robert Kolb, D.O.Minnetonka, MN 553431205058435
Common questions
What is Chad A. Trierweiler, MD's NPI number?
Chad A. Trierweiler, MD's National Provider Identifier (NPI) is 1871705962, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chad A. Trierweiler, MD located?
The NPPES record lists a practice address at 5435 Feltl RD, Minnetonka, MN, 55343. Phone: (952) 835-9880. Providers update this record themselves, so call before visiting.
How can I verify Chad A. Trierweiler, MD's license?
NPPES lists Minnesota license number 51813, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chad A. Trierweiler, MD prescribe under Medicare Part D?
In 2024, Chad A. Trierweiler, MD had 192 Medicare Part D claims for 136 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.