Doctor profile · Federal record

Dr. Rodrigo Castillo, MD

Gastroenterology Physician (CMS: Gastroenterology) · Madison, WI

  • NPI 1811007305
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
750 University Row
Madison, WI 537051311
(608) 890-5090
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 24, 2025
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #43192
Medicaid
WI #34085500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811007305. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
532
Distinct HCPCS
8
Medicare allowed
$67,896
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 164 161 $58
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 132 132 $228
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 62 58 $106
99213 Established patient office or other outpatient visit, 20-29 minutes 57 46 $63
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 47 47 $171
45380 Biopsy of large bowel using a flexible endoscope 32 32 $165
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 22 22 $160
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 16 16 $86

In context: peer comparison

Among 20 peers in this city , average services per provider: 38. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$387
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 2 $134.07
Janssen Biotech, Inc. 1 $127.51
Gilead Sciences, Inc. 1 $124.99

By nature of payment

Food and Beverage
$387

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
364
Patients
84
Total drug cost
$1,119,374
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 85 33 $1,507
Omeprazole Generic 60 27 $931
Colestipol Hcl Generic 37 12 $3,049
Humira(Cf) Pen (Adalimumab) Brand 24 0 $335,836
Ursodiol Generic 21 0 $8,418
Mesalamine Generic 20 0 $18,079
Ocaliva (Obeticholic Acid) Brand 15 0 $137,811
Simponi (Golimumab) Brand 15 0 $109,925
Budesonide Dr (Budesonide) Brand 14 0 $1,009
Humira (Adalimumab) Brand 13 0 $99,332

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rodrigo Castillo's medical specialty?
Dr. Rodrigo Castillo practices Gastroenterology Physician in Madison, WI.
Where does Dr. Rodrigo Castillo practice?
Dr. Rodrigo Castillo practices at 750 University Row, Madison, WI 537051311. Office phone: 6088905090.
What is Dr. Rodrigo Castillo's NPI?
Dr. Rodrigo Castillo's National Provider Identifier (NPI) is 1811007305, issued by NPPES.
Does Dr. Rodrigo Castillo accept Medicare assignment?
Yes. Dr. Rodrigo Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rodrigo Castillo commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm (HCPCS 43249). Source: CMS Medicare Physician & Other Practitioners file.