NPPES file of Aug 9, 2026

Juan Carlos Nieto, M.D.

Ophthalmology Physician · Dubuque, IA

Juan Carlos Nieto, M.D. is an ophthalmology physician with a practice address in Dubuque, Iowa, and NPI 1780770156, issued on Oct 5, 2006. Check the license (Iowa 38849, as entered in NPPES) on the Iowa Board of Medicine; 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
1780770156
Name
Juan Carlos Nieto
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
38849 IA
51081-20 WI
Self-reported in NPPES; status is on the state search
Practice location
2140 John F Kennedy RD, Dubuque, IA 52002
Phone
(563) 582-0769
Enumerated
Oct 5, 2006
Record last updated
Jun 14, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100803000793); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2006
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 2140 John F Kennedy RD

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

  1. George Isaac, M.D.Specialist1588652416
  2. Ronald Sims, M.D.Neurology Physician1639138837

Verify Juan Carlos Nieto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 38849
    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
Open the Iowa license search

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10% more Medicare Part D claims than the average ophthalmology physician in 2024

1,663 Medicare Part D claims for 290 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Juan Nieto1,663
  2. Specialty average1,518

Most prescribed

  1. Latanoprost467 claims
  2. Dorzolamide-Timolol227 claims
  3. Timolol Maleate192 claims
  4. Ketorolac Tromethamine171 claims
  5. Prednisolone Acetate118 claims
  6. Dorzolamide Hcl110 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. Fuerste Eye ClinicDubuque, IA

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

Ophthalmology Physician providers in Iowa

There are 220 ophthalmology physician records in Iowa.

Other ophthalmology physician records in Iowa

  1. Michael Abramoff, MD, PHDIowa City, IA1578564639
  2. Noor-Us-Sabah Ahmad, MBBSIowa City, IA1356195937
  3. Kyle Alliman, M.D.West Des Moines, IA1437360351
  4. Adel Alsuhaibani, M.B., B.S.Iowa City, IA1972710770
  5. Wallace Alward, MDIowa City, IA1063413417
  6. Beth Amspaugh, MDWest Des Moines, IA1861644817
  7. Steven Anderson, MDAmes, IA1942288717
  8. Oladipupo Anibire, MDIowa City, IA1588358410
  9. Leonardo Antaris, M.D.Davenport, IA1679541973
  10. Amir Arbisser, MDBettendorf, IA1548247992

Common questions

What is Juan Carlos Nieto, M.D.'s NPI number?

Juan Carlos Nieto, M.D.'s National Provider Identifier (NPI) is 1780770156, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Juan Carlos Nieto, M.D. located?

The NPPES record lists a practice address at 2140 John F Kennedy RD, Dubuque, IA, 52002. Phone: (563) 582-0769. Providers update this record themselves, so call before visiting.

How can I verify Juan Carlos Nieto, M.D.'s license?

NPPES lists Iowa license number 38849, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Juan Carlos Nieto, M.D. prescribe under Medicare Part D?

In 2024, Juan Carlos Nieto, M.D. had 1,663 Medicare Part D claims for 290 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.