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Vascular Surgery

Marcus R. Kret, MD

Works at hospitals in Littleton, CO · Lakewood, CO · Westminster, CO … · Colorado

Summary

Marcus R. Kret, MD (Vascular Surgery) is listed by Medicare at 5 hospitals in Littleton, CO, Lakewood, CO and Westminster, CO and other places. NPI 1811158538. 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 Marcus R. Kret, 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

Vascular SurgeryPrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
MaleGender (as listed)
Colorado Cardiovascular Surgical Associates, P.C.Group practice

Quick answers

Which hospitals does Marcus R. Kret work at?
Medicare's official clinician data lists Marcus R. Kret at 5 hospitals: AdventHealth Littleton, Centura Health-St Anthony Hospital, Centura Health-St Anthony North Health Campus, Orthocolorado Hospital at St Anthony Medical Campus and The Medical Center of Aurora & South Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marcus R. Kret see patients?
Medicare's clinician data lists 2 practice locations, including Denver, CO. Call before your visit to confirm the address.
What is Marcus R. Kret's specialty?
Medicare lists Vascular Surgery as the primary specialty, and also General Surgery.
Does Marcus R. Kret accept Medicare assignment?
Yes. Medicare's clinician data says Marcus R. Kret 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 Marcus R. Kret?
(303) 388-7265, as listed in official Medicare / NPI Registry data.
What is Marcus R. Kret's NPI number?
1811158538. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marcus R. Kret works

Medicare's Facility Affiliation Data lists Marcus R. Kret 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 Marcus R. Kret is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marcus R. Kret as a member of this group (CMS data updated 2026-10-02).

  • Colorado Cardiovascular Surgical Associates, P.C.5 clinicians in the group

Specialties

Find other Vascular Surgery doctors in Colorado →

Other vascular surgeons in Denver

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

All vascular surgeons in Denver →

Clinician information

CredentialMD
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811158538
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