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
- Primary practice
-
309 E Church St
Marshalltown, IA 501582946
(641) 754-6262
fax (641) 752-7420
Credentials & registration
- 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
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
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 Marshalltown Optometrist, average services per provider: 92. This provider delivers 19× the peer median.Medicare Part D · 2023
Top prescriptions
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 |
Frequently asked questions
What is Dr. Denise Gimbel's medical specialty?
Dr. Denise Gimbel practices Optometrist in Marshalltown, IA.
Where does Dr. Denise Gimbel practice?
Dr. Denise Gimbel practices at 309 E Church St, Marshalltown, IA 501582946. Office phone: 6417546262.
What is Dr. Denise Gimbel's NPI?
Dr. Denise Gimbel's National Provider Identifier (NPI) is 1740272574, issued by NPPES.
Does Dr. Denise Gimbel accept Medicare assignment?
Yes. Dr. Denise Gimbel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Denise Gimbel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.