NPPES file of Aug 9, 2026

Claudio F. Nunes, M.D.

Surgery Physician · Saint Croix Falls, WI

Claudio F. Nunes, M.D. is a surgery physician with a practice address in Saint Croix Falls, Wisconsin, and NPI 1053445411, issued on Mar 15, 2007. Check the license (Wisconsin 50166, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1053445411
Name
Claudio F. Nunes
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
50166 WI
Self-reported in NPPES; status is on the state search
Practice location
235 State St, Saint Croix Falls, WI 54024
Phone
(715) 483-3221
Enumerated
Mar 15, 2007
Record last updated
Feb 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(715) 483-0507
Medicare enrollment
Enrolled (PECOS I20070728000214); accepts Medicare assignment
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 235 State St

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

  1. Jeanine Brunclik, M.D.Family Medicine Physician1689758237
  2. Wendy Nunes, M.D.Urology Physician1003012113

Verify Claudio F. Nunes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 50166
    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 Wisconsin license search

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87% more Medicare Part D claims than the average surgery physician in 2024

275 Medicare Part D claims for 141 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 46 claims were for opioids.

  1. Claudio Nunes275
  2. Specialty average147

Most prescribed

  1. Omeprazole101 claims
  2. Oxycodone Hcl45 claims
  3. Peg 3350-Electrolyte37 claims
  4. Esomeprazole Magnesium27 claims
  5. Pantoprazole Sodium12 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.

Industry payments in 2024: $1,799.43

8 payments; by number, the most common kind was food and beverage; the largest payer was Karl Storz Endoscopy-America. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Claudio Nunes$1,799.43
  2. Specialty average$3,513.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Aspirus Medford Hospital And Clinics IncMedford, WI

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

Claudio F. Nunes among 726 surgery physician records in Wisconsin

Claudio F. Nunes, M.D. is one of 726 surgery physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 45% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1999 · median 2006 among the 446 with a school on file
  • Record last updated2021 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 surgery physician records list a practice address in Saint Croix Falls

They are 4 of the 157 NPPES records with a practice address in Saint Croix Falls, and 726 surgery physician records in Wisconsin.

The 8 surgery physician records with the nearest ZIP codes

  1. Felix Blanco, MDSaint Croix Falls, WI 540241225385891
  2. Marta Engelking, MDSaint Croix Falls, WI 540241760945307
  3. Jill Ties, MDSaint Croix Falls, WI 540241336302595
  4. Matthew Clayton, MDRiver Falls, WI 540221639162126
  5. Warren Abell, DOOsceola, WI 540201265407662
  6. Thomas Johnson, MDOsceola, WI 540201104892900
  7. Michael Melby, MDNew Richmond, WI 540171437131307
  8. Neal Melby, MDNew Richmond, WI 540171215919444

Common questions

What is Claudio F. Nunes, M.D.'s NPI number?

Claudio F. Nunes, M.D.'s National Provider Identifier (NPI) is 1053445411, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Claudio F. Nunes, M.D. located?

The NPPES record lists a practice address at 235 State St, Saint Croix Falls, WI, 54024. Phone: (715) 483-3221. Providers update this record themselves, so call before visiting.

How can I verify Claudio F. Nunes, M.D.'s license?

NPPES lists Wisconsin license number 50166, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Claudio F. Nunes, M.D. prescribe under Medicare Part D?

In 2024, Claudio F. Nunes, M.D. had 275 Medicare Part D claims for 141 beneficiaries; the average among surgery physician prescribers was 147. 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.