Rodrigo A. Castillo, MD
Gastroenterology Physician · Madison, WI
Rodrigo A. Castillo, MD is a gastroenterology physician with a practice address in Madison, Wisconsin, and NPI 1811007305, issued on Aug 30, 2006. Check the license (Wisconsin 43192, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Rodrigo A. Castillo
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 43192 WI
Self-reported in NPPES; status is on the state search - Practice location
- 750 University Row, Madison, WI 53705
- Phone
- (608) 890-5090
- Enumerated
- Aug 30, 2006
- Record last updated
- Feb 24, 2025
- Medicaid ID
- 34085500 WI
- Medicare enrollment
- Enrolled (PECOS I20040610001313); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 750 University Row
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Antonio Bosch, MDGastroenterology Physician1295743656
- Nicole Boschuetz, M.D.Hepatology Physician1033506910
- Margaret BozdechPhysician Assistant1568027894
- Randall Brown, MDFamily Medicine Physician1376508481
Verify Rodrigo A. Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average gastroenterology physician in 2024
614 Medicare Part D claims for 169 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Pantoprazole Sodium177 claims
- Omeprazole53 claims
- Colestipol Hcl42 claims
- Humira(Cf) Pen26 claims
- Budesonide Dr25 claims
- Ocaliva24 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: $386.57
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rodrigo A. Castillo among 340 gastroenterology physician records in Wisconsin
Rodrigo A. Castillo, MD is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1989 · median 2003 among the 239 with a school on file
- Record last updated2025 · 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 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Madison → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Antonio Bosch, MDMadison, WI 537051295743656
- Freddy Caldera, D.O.Madison, WI 537051255594537
- Matthew Caldis, M.D., M.S.Madison, WI 537051922461029
- Ian Grimes, M.D.Madison, WI 537051275737165
- Megan LutzMadison, WI 537051306232863
- Gregory Nelligan, M.D.Madison, WI 537051205924842
- Vinay Patel, M.D.Madison, WI 537051639583750
- Mark Reichelderfer, MDMadison, WI 537051699736512
Common questions
What is Rodrigo A. Castillo, MD's NPI number?
Rodrigo A. Castillo, MD's National Provider Identifier (NPI) is 1811007305, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rodrigo A. Castillo, MD located?
The NPPES record lists a practice address at 750 University Row, Madison, WI, 53705. Phone: (608) 890-5090. Providers update this record themselves, so call before visiting.
How can I verify Rodrigo A. Castillo, MD's license?
NPPES lists Wisconsin license number 43192, 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 Rodrigo A. Castillo, MD prescribe under Medicare Part D?
In 2024, Rodrigo A. Castillo, MD had 614 Medicare Part D claims for 169 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.