Thomas Charles Koehnen, M.D.
Emergency Medical Services (Emergency Medicine) Physician · Saint James, MN
Thomas Charles Koehnen, M.D. is an emergency medical services (emergency medicine) physician with a practice address in Saint James, Minnesota, and NPI 1669544623, issued on Nov 14, 2006. Check the license (Minnesota 25673, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Thomas Charles Koehnen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 25673 MN
Self-reported in NPPES; status is on the state search - Practice location
- 38818 730TH Ave, Saint James, MN 56081
- Phone
- (507) 375-7321
- Enumerated
- Nov 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 30 in Minnesota → Look up another NPI →
Verify Thomas Charles Koehnen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 25673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
11 Medicare Part D claims, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D.
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.
Thomas Charles Koehnen among 30 emergency medical services (emergency medicine) physician records in Minnesota
Thomas Charles Koehnen, M.D. is one of 30 emergency medical services (emergency medicine) physician records with a practice address in Minnesota. 67% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 37% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2007 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 emergency medical services (emergency medicine) physician record lists a practice address in Saint James
They are 1 of the 48 NPPES records with a practice address in Saint James, and 30 emergency medical services (emergency medicine) physician records in Minnesota.
All 30 in Minnesota → Every provider in Saint James → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Daniel Hankins, M.D.Rochester, MN 559051982682357
- Jeffery Huhn, M.D.Rochester, MN 559051194894923
- Lori Lillienberg, M.D.Rochester, MN 559051407824147
- Amy O'Neil, MDRochester, MN 559051508129198
- Raquel Schears, M.D.Rochester, MN 559051285604926
- Nicola Schiebel, M.D.Rochester, MN 559051063492999
- Larry Vukov, M.D.Rochester, MN 559051144200783
- Kyle LaabsMelrose, MN 563521750119921
Common questions
What is Thomas Charles Koehnen, M.D.'s NPI number?
Thomas Charles Koehnen, M.D.'s National Provider Identifier (NPI) is 1669544623, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Charles Koehnen, M.D. located?
The NPPES record lists a practice address at 38818 730TH Ave, Saint James, MN, 56081. Phone: (507) 375-7321. Providers update this record themselves, so call before visiting.
How can I verify Thomas Charles Koehnen, M.D.'s license?
NPPES lists Minnesota license number 25673, 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 Thomas Charles Koehnen, M.D. prescribe under Medicare Part D?
In 2024, Thomas Charles Koehnen, M.D. had 11 Medicare Part D claims; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.