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

Cardiovascular Disease (Cardiology)

Grant J. Bailey, MD

Works at hospitals in Louisville, CO · Castle Rock, CO · Littleton, CO … · Colorado

Summary

Grant J. Bailey, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Louisville, CO, Castle Rock, CO and Littleton, CO and other places. NPI 1881919660. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Grant J. Bailey, 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
YesOffers telehealth
16Years since medical school (graduated 2010)
Wayne State University School Of MedicineMedical school
MaleGender (as listed)
Portercare Adventist Health SystemGroup practice

Quick answers

Which hospitals does Grant J. Bailey work at?
Medicare's official clinician data lists Grant J. Bailey at 5 hospitals: AdventHealth Avista, AdventHealth Castle Rock, AdventHealth Littleton, AdventHealth Parker and AdventHealth Porter. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Grant J. Bailey see patients?
Medicare's clinician data lists 1 practice location in Littleton, CO. Call before your visit to confirm the address.
What is Grant J. Bailey's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Grant J. Bailey accept Medicare assignment?
Yes. Medicare's clinician data says Grant J. Bailey 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.
Does Grant J. Bailey offer telehealth?
Medicare's clinician data says Grant J. Bailey offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Grant J. Bailey?
(303) 744-1065, as listed in official Medicare / NPI Registry data.
What is Grant J. Bailey's NPI number?
1881919660. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Grant J. Bailey works

Medicare's Facility Affiliation Data lists Grant J. Bailey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Grant J. Bailey is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Grant J. Bailey as a member of this group (CMS data updated 2026-10-02).

  • Portercare Adventist Health System774 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Colorado →

Other cardiologists in Littleton

Clinicians with the same Medicare primary specialty in Littleton, CO — not a recommendation.

All cardiologists in Littleton →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1881919660
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians