Doctor profile · Federal record

Dr. Curtis Louwagie, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Marshall, MN

  • NPI 1689688897
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 S Bruce St, Avera Marshall Southwest Ophthalmology
Marshall, MN 562581934
(507) 537-1427
fax (507) 537-1742

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 9, 2015
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Minnesota #48686
Medicaid
MN #444420000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689688897. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,190
Distinct HCPCS
10
Medicare allowed
$248,624
HCPCS Description Services Patients Avg allowed
92134 Imaging of retina 254 111 $40
92014 Established patient complete exam of visual system 205 97 $128
67028 Injection of drug into eye 188 54 $126
J0178 Injection, aflibercept, 1 mg 128 22 $859
66984 Removal of cataract with insertion of prosthetic lens 112 69 $380
J9035 Injection, bevacizumab, 10 mg 77 35 $70
92136 Measurement of corneal curvature and depth of eye 62 62 $48
92004 New patient complete exam of visual system 60 60 $151
J7999 Compounded drug, not otherwise classified 41 24 $60
92012 Established patient problem focused exam of visual system 37 22 $91

In context: peer comparison

Among 2 peers in Marshall Ophthalmology Physician, average services per provider: 129. This provider delivers 9.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,189
Patients
355
Total drug cost
$79,234
Drug Type Claims Patients Total cost
Latanoprost Generic 329 82 $5,454
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 201 46 $5,657
Ketorolac Tromethamine Generic 175 76 $4,138
Prednisolone Acetate Generic 120 57 $5,001
Timolol Maleate Generic 105 25 $1,223
Erythromycin (Erythromycin Base) Brand 49 24 $687
Moxifloxacin (Moxifloxacin Hcl) Brand 41 29 $1,590
Restasis (Cyclosporine) Brand 36 16 $31,814
Brimonidine Tartrate Generic 30 0 $335
Bromfenac Sodium Generic 20 0 $2,673

Frequently asked questions

Auto-generated from federal data
What is Dr. Curtis Louwagie's medical specialty?
Dr. Curtis Louwagie practices Ophthalmology Physician in Marshall, MN.
Where does Dr. Curtis Louwagie practice?
Dr. Curtis Louwagie practices at 300 S Bruce St, Marshall, MN 562581934. Office phone: 5075371427.
What is Dr. Curtis Louwagie's NPI?
Dr. Curtis Louwagie's National Provider Identifier (NPI) is 1689688897, issued by NPPES.
Does Dr. Curtis Louwagie accept Medicare assignment?
Yes. Dr. Curtis Louwagie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Curtis Louwagie commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Established patient complete exam of visual system (HCPCS 92014); Injection of drug into eye (HCPCS 67028). Source: CMS Medicare Physician & Other Practitioners file.