Denise Gimbel, OD
NPI 1740272574 · Optometrist · Marshalltown, IA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Gimbel, OD is a Optometrist provider in Marshalltown, IA (NPI 1740272574).
Provider details
- NPI number
- 1740272574
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 02152 (IA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,743 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 725 | $84 |
| Exam of Visual Field With Extended Testing92083 | 217 | $58 |
| Established Patient Complete Exam of Visual System92014 | 213 | $116 |
| Imaging of Optic Nerve92133 | 193 | $32 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 192 | $119 |
| Imaging of Retina92134 | 164 | $37 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 547 | 112 |
| Timolol Maleate | 198 | 57 |
| Brimonidine Tartrate | 134 | 39 |
| Bimatoprostbrand: Lumigan | 93 | 21 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 92 | 25 |
| Dorzolamide Hcl | 64 | 19 |
| Fluorometholone | 60 | 18 |
| Prednisolone Acetate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-18
- Last updated
- 2015-05-12
Frequently asked questions
- What is Denise Gimbel's NPI number?
- Denise Gimbel's National Provider Identifier (NPI) is 1740272574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Gimbel's specialty?
- Denise Gimbel is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Denise Gimbel located?
- Denise Gimbel's practice location on file with NPPES is 309 E Church St, Marshalltown, IA 50158-2946.
- What is Denise Gimbel's phone number?
- The practice phone number listed in the NPPES registry for Denise Gimbel is (641) 754-6262.
- Does Denise Gimbel accept Medicare?
- Denise Gimbel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Gimbel's NPI active?
- Yes — Denise Gimbel's NPI (1740272574) is active in the NPPES registry as of the last update on 2015-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.