NPPES file of Aug 9, 2026

Freddy Caldera, D.O.

Gastroenterology Physician · Madison, WI

Freddy Caldera, D.O. is a gastroenterology physician with a practice address in Madison, Wisconsin, and NPI 1255594537, issued on Jul 7, 2008. Check the license (Wisconsin 55885, 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
1255594537
Name
Freddy Caldera
Credential
D.O.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
55885 WI
03095 KY
Self-reported in NPPES; status is on the state search
Practice location
1685 Highland Avenue, Madison, WI 53705
Phone
(608) 263-1995
Enumerated
Jul 7, 2008
Record last updated
Jan 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110629000113); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2004
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Verify Freddy Caldera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 55885
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

4% fewer Medicare Part D claims than the average gastroenterology physician in 2024

779 Medicare Part D claims for 244 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.

  1. Freddy Caldera779
  2. Specialty average811

Most prescribed

  1. Gavilyte-C147 claims
  2. Stelara77 claims
  3. Diphenoxylate-Atropine59 claims
  4. Budesonide Dr45 claims
  5. Omeprazole44 claims
  6. Loperamide32 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: $11,170.66

12 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.

  1. Freddy Caldera$11,171
  2. Specialty average$5,016

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. 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).

Freddy Caldera among 340 gastroenterology physician records in Wisconsin

Freddy Caldera, D.O. 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 2008, is newer than 64% of them.

  • NPI issued2008 · 64% of these records are older, 32% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2004 · median 2003 among the 239 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 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Antonio Bosch, MDMadison, WI 537051295743656
  2. Matthew Caldis, M.D., M.S.Madison, WI 537051922461029
  3. Rodrigo Castillo, MDMadison, WI 537051811007305
  4. Ian Grimes, M.D.Madison, WI 537051275737165
  5. Megan LutzMadison, WI 537051306232863
  6. Gregory Nelligan, M.D.Madison, WI 537051205924842
  7. Vinay Patel, M.D.Madison, WI 537051639583750
  8. Mark Reichelderfer, MDMadison, WI 537051699736512

Common questions

What is Freddy Caldera, D.O.'s NPI number?

Freddy Caldera, D.O.'s National Provider Identifier (NPI) is 1255594537, issued on Jul 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Freddy Caldera, D.O. located?

The NPPES record lists a practice address at 1685 Highland Avenue, Madison, WI, 53705. Phone: (608) 263-1995. Providers update this record themselves, so call before visiting.

How can I verify Freddy Caldera, D.O.'s license?

NPPES lists Wisconsin license number 55885, 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 Freddy Caldera, D.O. prescribe under Medicare Part D?

In 2024, Freddy Caldera, D.O. had 779 Medicare Part D claims for 244 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.