Curtis Ronald Louwagie, M.D.
Ophthalmology Physician · Marshall, MN
Curtis Ronald Louwagie, M.D. is an ophthalmology physician with a practice address in Marshall, Minnesota, and NPI 1689688897, issued on Jul 27, 2006. Check the license (Minnesota 48686, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Curtis Ronald Louwagie
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 48686 MN
Self-reported in NPPES; status is on the state search - Practice location
- 300 S Bruce St, Marshall, MN 56258
- Phone
- (507) 537-1427
- Enumerated
- Jul 27, 2006
- Record last updated
- Mar 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (507) 537-1742
- Medicaid ID
- 444420000 MN
- Medicare enrollment
- Enrolled (PECOS I20060814000068); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2005
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 434 in Minnesota → Look up another NPI →
Also registered at 300 S Bruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Anyasike, MDFamily Medicine Physician1366475774
- Lexis ArnoldSpeech-Language Pathologist1831878842
- Brittany Bailey, PHARMDAmbulatory Care Pharmacist1598275935
- Amanda Beranek, OTROccupational Therapist1790942217
- Courtney Blomme, APRN, CPNPPediatric Nurse Practitioner1326322975
- Theresa Bly, APRN, CNPFamily Nurse Practitioner1760460836
Verify Curtis Ronald Louwagie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 48686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,312 Medicare Part D claims for 284 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Latanoprost314 claims
- Ketorolac Tromethamine197 claims
- Dorzolamide-Timolol183 claims
- Prednisolone Acetate120 claims
- Timolol Maleate95 claims
- Moxifloxacin42 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
- Avera MarshallMarshall, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Curtis Ronald Louwagie among 434 ophthalmology physician records in Minnesota
Curtis Ronald Louwagie, M.D. is one of 434 ophthalmology physician records with a practice address in Minnesota. 75% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2005 · median 2006 among the 282 with a school on file
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Minnesota
There are 434 ophthalmology physician records in Minnesota.
All 434 in Minnesota → Every provider in Marshall → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Theodore Fritsche, M.D.Marshall, MN 562581598830036
- Chee Ho, MDMarshall, MN 562581558364513
- Ajay Shalwala, M.D.Marshall, MN 562581770711889
- Jeffrey Zervas, MDMontevideo, MN 562651265428023
- Mitchell Gossman, MDSaint Cloud, MN 563011447298443
- Andrea Joplin, MDSaint Cloud, MN 563011073553996
- Bradley Anderson, MDSaint Cloud, MN 563031548258221
- Peter Downie, MDSaint Cloud, MN 563031902548332
Common questions
What is Curtis Ronald Louwagie, M.D.'s NPI number?
Curtis Ronald Louwagie, M.D.'s National Provider Identifier (NPI) is 1689688897, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Curtis Ronald Louwagie, M.D. located?
The NPPES record lists a practice address at 300 S Bruce St, Marshall, MN, 56258. Phone: (507) 537-1427. Providers update this record themselves, so call before visiting.
How can I verify Curtis Ronald Louwagie, M.D.'s license?
NPPES lists Minnesota license number 48686, 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 Curtis Ronald Louwagie, M.D. prescribe under Medicare Part D?
In 2024, Curtis Ronald Louwagie, M.D. had 1,312 Medicare Part D claims for 284 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.