Dr. Juan Carlos Nieto, MD
- Medicare services, 2024
- 1,712
- Medicare patients, 2024
- 453
- Part D claims, 2024
- 1,663
- MIPS score, 2024
- 94
- Hospital affiliations
- 2
- Practice address
- 200 Main Street, Guttenberg, IA 52052
- Practice phone
- Call (563) 252-1121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nieto's professional email, personal email and mobile number
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Dr. Juan Carlos Nieto is an ophthalmologist in Guttenberg, Iowa
Dr. Nieto practices at Guttenberg Municipal Hospital & Clinics in Guttenberg, Iowa, part of City of Guttenberg.
Dr. Nieto's NPI, 1780770156, was assigned on October 5, 2006. Dr. Nieto graduated from Columbia University College of Physicians and Surgeons in 2006. Dr. Nieto holds Iowa license 38849.
- NPI
- 1780770156NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375676968
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (563) 252-1121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Juan Carlos Nieto practices at Guttenberg Municipal Hospital & Clinics in Guttenberg, Iowa
Dr. Nieto's primary practice is Guttenberg Municipal Hospital & Clinics, at 200 Main Street, Guttenberg, IA 52052 in Clayton County. The practice phone is (563) 252-1121.
- Guttenberg Municipal Hospital & Clinics200 Main Street, Guttenberg, IA 52052 · Clayton CountyPhone(563) 252-1121
Source: Dmand AI Affiliation Data
Dr. Juan Carlos Nieto is affiliated with 3 sites of care and 1 medical group
Dr. Nieto's primary practice is Guttenberg Municipal Hospital & Clinics in Guttenberg, Iowa, part of City of Guttenberg. Dr. Nieto is also affiliated with UnityPoint Health - Finley Hospital. Dmand AI also links Dr. Nieto to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Juan Carlos Nieto's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nieto practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Guttenberg Municipal Hospital & Clinics | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across City of Guttenberg and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Juan Carlos Nieto is one of 180 ophthalmologists in Iowa
Ophthalmology is Dr. Nieto's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Nieto's licenses on file in 2 states: Iowa and Wisconsin.
Specialties and state licenses
- Ophthalmology, IowaPrimary
- Wisconsin license
Ophthalmologists near Dr. Nieto
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Juan Carlos Nieto billed Medicare for 1,712 services in 2024
CMS data shows 1,712 Medicare services from Dr. Nieto across 16 procedure codes in 2024, for 453 Medicare patients. Medicare paid $216,375 for them.
Dr. Nieto's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6512024: 649No change
- Office and hospital visits
- 2023: 5922024: 5537%
- Surgery
- 2023: 3032024: 3011%
- Drugs given in the office
- 2023: 2802024: 20925%
Where Dr. Nieto's Medicare services took place, 2024
- In an office1,61094%
- In a facility1026%
Dr. Nieto compared with the Iowa median for ophthalmologists, 2024
- Dr. Nieto
- Iowa median
- Medicare services
- 1,712vs 1,792Close to median
- Medicare patients
- 453vs 66932% below
- Part D claims
- 1,609vs 3964.1 times
Medians across 183 ophthalmologists in Iowa with Dmand AI profiles that report each measure.
Dr. Nieto's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Nieto?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nieto and other ophthalmologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Juan Carlos Nieto treated 453 Medicare patients in 2024, average age 76
CMS counts 453 Medicare patients who saw Dr. Nieto in 2024. The largest group is 75 to 84, with 188 patients. 73% of them have high cholesterol, and 68% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nieto's median patient age at 75, with 56% women.
Dr. Nieto's Medicare patients by age, 2024
Dr. Nieto's Medicare patients by sex, 2024
- Women28362%
- Men17038%
Chronic conditions among Dr. Nieto's Medicare patients, 2024
- High cholesterol73%
- High blood pressure68%
- Arthritis35%
- Diabetes23%
- Anxiety21%
- Ischemic heart disease19%
- Mood disorders19%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nieto's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Juan Carlos Nieto wrote 1,663 Medicare Part D claims in 2024
In 2024, Dr. Nieto wrote 1,663 Medicare Part D claims for 290 patients. 83% of them were for generic drugs. CMS names the drug for 1,609 of them, across 17 drugs with 11 or more claims each, at $93,021 in total drug cost. In 2023, CMS named 1,684 claims across 18 drugs.
Dr. Nieto's Part D claims by kind of drug, 2024
- Generic1,381 claims83%
- Brand-name282 claims17%
Dr. Nieto's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nieto's Part D claims, 2024
- Antibiotics2%28 of 1,663 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6842024: 1,6094%
Drugs named by CMS: 17 in 2024, 18 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Juan Carlos Nieto scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Nieto for performance year 2024, reported through an alternative payment model (APM). Dr. Nieto accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 186 procedures of cataract surgery by Dr. Nieto, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Nieto's MIPS scores, performance year 2024
- 94of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Nieto ranks in Medicare procedure volume
- Cataract surgery
- 83rd percentile186 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Juan Carlos Nieto received $198 in industry payments from 2017 to 2022
CMS Open Payments shows 6 general payments to Dr. Nieto from 4 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 90% of the total. Alcon Laboratories Inc paid the most, $150.
General payments to Dr. Nieto by program year, 2017 to 2022
General payments to Dr. Nieto by kind, 2017 to 2022
- Food and beverage$17990%
- Gifts$1910%
Companies that paid Dr. Nieto the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Juan Carlos Nieto graduated from Columbia University College of Physicians and Surgeons
Dr. Nieto graduated from Columbia University College of Physicians and Surgeons in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Juan Carlos Nieto's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Juan Carlos Nieto
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Juan Carlos Nieto's NPI number?
Dr. Juan Carlos Nieto's NPI number is 1780770156. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Juan Carlos Nieto?
Dr. Juan Carlos Nieto is an ophthalmologist in Guttenberg, Iowa. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Juan Carlos Nieto practice?
Dr. Nieto practices at 200 Main Street, Guttenberg, IA 52052. Dr. Nieto's primary practice is Guttenberg Municipal Hospital & Clinics in Guttenberg, Iowa, part of City of Guttenberg. Dmand AI also links Dr. Nieto to 1 group practice or clinic and 1 medical group.
What is Dr. Juan Carlos Nieto's office phone number?
The practice phone on file for Dr. Nieto is (563) 252-1121.
What is Dr. Juan Carlos Nieto's medical license number?
Dr. Nieto holds Iowa license 38849, one of the licenses on file in 2 states.
Which states has Dr. Juan Carlos Nieto been licensed in?
Dmand AI has state licenses on file for Dr. Nieto in Iowa and Wisconsin.
Which hospitals is Dr. Juan Carlos Nieto affiliated with?
Dr. Nieto practices at Guttenberg Municipal Hospital & Clinics in Guttenberg, Iowa. Dr. Nieto is also affiliated with UnityPoint Health - Finley Hospital.
Does Dr. Juan Carlos Nieto accept Medicare?
Yes. CMS data shows Dr. Nieto billed Medicare for 1,712 services in 2024, and Dr. Nieto accepts Medicare assignment.
What is Dr. Juan Carlos Nieto's MIPS score?
Dr. Nieto's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Juan Carlos Nieto see?
CMS counts 453 Medicare patients who saw Dr. Nieto in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Juan Carlos Nieto bill to Medicare?
In 2024, Dr. Nieto's most billed Medicare services were eye exam or test (92134), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Juan Carlos Nieto go to medical school?
Dr. Nieto graduated from Columbia University College of Physicians and Surgeons in 2006.
What drugs does Dr. Juan Carlos Nieto prescribe most?
In 2024 Medicare Part D data, Dr. Nieto's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.
Has Dr. Juan Carlos Nieto received payments from drug or device companies?
CMS Open Payments shows $198 in general payments to Dr. Nieto from 4 companies from 2017 to 2022. The largest total came from Alcon Laboratories Inc.
How long has Dr. Juan Carlos Nieto been practicing?
Dr. Nieto graduated from medical school in 2006, 20 years ago.
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