NPPES file of Aug 9, 2026

Denise C. Gimbel, OD

Optometrist · Marshalltown, IA

Denise C. Gimbel, OD is an optometrist with a practice address in Marshalltown, Iowa, and NPI 1740272574, issued on Aug 18, 2005. Check the license (Iowa 02152, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740272574
Name
Denise C. Gimbel
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
02152 IA
Self-reported in NPPES; status is on the state search
Practice location
309 E Church St, Marshalltown, IA 50158
Phone
(641) 754-6262
Enumerated
Aug 18, 2005
Record last updated
May 12, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(641) 752-7420
Medicaid ID
1216895 IA
Medicare enrollment
Enrolled (PECOS I20060214000374); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 309 E Church St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Catherine Dangelser, AUDAudiologist-Hearing Aid Fitter1831388305
  2. James Davison, MDOphthalmology Physician1104818996
  3. John Graether, MDOphthalmology Physician1902898794
  4. Christine Lindgren, DOInternal Medicine Physician1720169022
  5. Lindsey Powell, AUDAudiologist1477173961
  6. John Trible, MDOphthalmology Physician1104818939

Verify Denise C. Gimbel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 02152
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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5.3 times the Medicare Part D claims of the average optometrist in 2024

1,474 Medicare Part D claims for 268 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Denise Gimbel1,474
  2. Specialty average277

Most prescribed

  1. Latanoprost547 claims
  2. Timolol Maleate198 claims
  3. Brimonidine Tartrate134 claims
  4. Lumigan93 claims
  5. Dorzolamide-Timolol92 claims
  6. Dorzolamide Hcl64 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

  1. Wolfe Clinic IncMarshalltown, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

13 optometrist records list a practice address in Marshalltown

They are 13 of the 443 NPPES records with a practice address in Marshalltown, and 676 optometrist records in Iowa.

Other optometrist records in Iowa

  1. Ryan Ackerman, O.D.Rock Rapids, IA1770692311
  2. Katie Adams, ODWest Union, IA1710500251
  3. Paul Ahern, O.D.Dyersville, IA1104892116
  4. George Alberhasky, O.D., P.C.Iowa City, IA1013036425
  5. Troy Albrecht, ODMarion, IA1053392522
  6. Steven Aljets, O.D.West Des Moines, IA1790745602
  7. Daniel Alletto, ODCenterville, IA1043668700
  8. John Altfillisch, ODOttumwa, IA1154420172
  9. Mark Altfillisch, ODOttumwa, IA1093814014
  10. Jeffrey Anderson, O.D.Boone, IA1760466098

Common questions

What is Denise C. Gimbel, OD's NPI number?

Denise C. Gimbel, OD's National Provider Identifier (NPI) is 1740272574, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Denise C. Gimbel, OD located?

The NPPES record lists a practice address at 309 E Church St, Marshalltown, IA, 50158. Phone: (641) 754-6262. Providers update this record themselves, so call before visiting.

How can I verify Denise C. Gimbel, OD's license?

NPPES lists Iowa license number 02152, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Denise C. Gimbel, OD prescribe under Medicare Part D?

In 2024, Denise C. Gimbel, OD had 1,474 Medicare Part D claims for 268 beneficiaries; the average among optometrist prescribers was 277. 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.