Nicolas Rodolfo Sanhueza Castillo, M.D.
Family Medicine Physician · Darlington, WI
Nicolas Rodolfo Sanhueza Castillo, M.D. is a family medicine physician with a practice address in Darlington, Wisconsin, and NPI 1770017048, issued on Apr 13, 2017. Check the license (Wisconsin 71996, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nicolas Rodolfo Sanhueza Castillo
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 71996 WI
Self-reported in NPPES; status is on the state search - Practice location
- 731 Clay St, Darlington, WI 53530
- Phone
- (608) 776-4497
- Enumerated
- Apr 13, 2017
- Record last updated
- Jun 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 776-2837
- Medicaid ID
- 100094497 WI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 731 Clay St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abigail Argall, APSWSocial Worker1689450876
- Robert Bernardoni, M. D.Family Medicine Physician1861417610
- Martin Cleary, MDFamily Medicine Physician1104890482
- Donald Hay, D.O.Family Medicine Physician1326040098
- Cheyanne Kubatzke, PA-CPhysician Assistant1932578333
- Lori Neumann, M. DFamily Medicine Physician1972522043
Verify Nicolas Rodolfo Sanhueza Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 71996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
46 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Levetiracetam28 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.
Nicolas Rodolfo Sanhueza Castillo among 3,765 family medicine physician records in Wisconsin
Nicolas Rodolfo Sanhueza Castillo, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Darlington
They are 8 of the 86 NPPES records with a practice address in Darlington, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Darlington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Bernardoni, M. D.Darlington, WI 535301861417610
- Martin Cleary, MDDarlington, WI 535301104890482
- Donald Hay, D.O.Darlington, WI 535301326040098
- Lori Neumann, M. DDarlington, WI 535301972522043
- Michael Robiolio, M. D.Darlington, WI 535301679592745
- Michele Roelli, MDDarlington, WI 535301790770550
- Matthew Solverson, M.D.Darlington, WI 535301154300507
- Jennifer Stevens, MDDeerfield, WI 535311962457531
Common questions
What is Nicolas Rodolfo Sanhueza Castillo, M.D.'s NPI number?
Nicolas Rodolfo Sanhueza Castillo, M.D.'s National Provider Identifier (NPI) is 1770017048, issued on Apr 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nicolas Rodolfo Sanhueza Castillo, M.D. located?
The NPPES record lists a practice address at 731 Clay St, Darlington, WI, 53530. Phone: (608) 776-4497. Providers update this record themselves, so call before visiting.
How can I verify Nicolas Rodolfo Sanhueza Castillo, M.D.'s license?
NPPES lists Wisconsin license number 71996, 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 Nicolas Rodolfo Sanhueza Castillo, M.D. prescribe under Medicare Part D?
In 2024, Nicolas Rodolfo Sanhueza Castillo, M.D. had 46 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.