Doctor profile · Federal record

Dr. DENISE GIMBEL, OD

Optometrist (CMS: OPTOMETRY) · MARSHALLTOWN, IA

  • NPI 1740272574
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
309 E CHURCH ST
MARSHALLTOWN, IA 501582946
(641) 754-6262
fax (641) 752-7420

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
May 12, 2015
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Iowa #02152
Medicaid
IA #1216895

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740272574. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,749
Distinct HCPCS
10
Medicare allowed
$138,886
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 620 465 $84
92014 Established patient complete exam of visual system 262 262 $117
92083 Exam of visual field with extended testing 211 190 $58
99214 Established patient office or other outpatient visit, 30-39 minutes 207 142 $119
92133 Imaging of optic nerve 191 191 $32
92134 Imaging of retina 165 134 $37
99212 Established patient office or other outpatient visit, 10-19 minutes 30 29 $52
92004 New patient complete exam of visual system 15 15 $140
76514 Ultrasound scan of cornea to determine thickness 13 13 $10
92020 Exam of the internal drainage system of eye 12 12 $26

In context: peer comparison

Among 7 peers in this city , average services per provider: 92. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,266
Patients
318
Total drug cost
$165,673
Drug Type Claims Patients Total cost
Latanoprost Generic 501 101 $8,582
Timolol Maleate Generic 136 46 $1,475
Brimonidine Tartrate Generic 112 33 $3,101
Lumigan (Bimatoprost) Brand 106 23 $60,831
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 71 22 $2,208
Fluorometholone Generic 66 22 $4,528
Dorzolamide Hcl Generic 59 16 $866
Restasis (Cyclosporine) Brand 46 16 $37,156
Prednisolone Acetate Generic 42 23 $1,583
Combigan (Brimonidine Tartrate/Timolol) Brand 33 0 $13,645