Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Anthony Defrance, MD

Sees patients in San Anselmo, CA · Loveland, CO · California, Colorado

Summary

Anthony Defrance, MD (Cardiovascular Disease (Cardiology)) is enrolled with Medicare at 2 practice locations in San Anselmo, CA and Loveland, CO. NPI 1053361022. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Anthony Defrance, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
MaleGender (as listed)
Clear Heart-Loveland LLCGroup practice

Quick answers

Where does Anthony Defrance see patients?
Medicare's clinician data lists 2 practice locations, including San Anselmo, CA and Loveland, CO. Call before your visit to confirm the address.
What is Anthony Defrance's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Anthony Defrance accept Medicare assignment?
Yes. Medicare's clinician data says Anthony Defrance accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Anthony Defrance?
(970) 900-1707, as listed in official Medicare / NPI Registry data.
What is Anthony Defrance's NPI number?
1053361022. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Anthony Defrance is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Anthony Defrance as a member of this group (CMS data updated 2026-10-02).

  • Clear Heart-Loveland LLC2 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All cardiologists in California →

Clinician information

CredentialMD
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053361022
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians