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Internal Medicine

Andrew J. Faber, MD

Works at hospitals in Denver, CO · Colorado

Summary

Dr. Andrew J. Faber, MD is an internal medicine doctor at 1375 E 19th Ave, Kp Intermountain Health St. Joseph Hospital, Denver, CO 80218. Phone: (303) 338-4545. Accepts Medicare assignment. In 2024, Andrew J. Faber had 13 Original Medicare patients and 40 services. NPI 1124447131. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1375 E 19th Ave, Kp Intermountain Health St. Joseph Hospital, Denver, CO 80218 · Directions
  • Phone: (303) 338‑4545
  • Medicare: Accepts Medicare assignment
  • Hospital: HCA HealthOne Presbyterian St. Lukes
  • Group practice: Colorado Permanente Medical Group PC
  • Medical school: University Of Colorado School Of Medicine, Denver · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew J. Faber, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Andrew J. Faber accept Medicare assignment?
Yes. Medicare's clinician data says Andrew J. Faber accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Andrew J. Faber see?
In 2024, CMS data shows 13 Original Medicare patients and 40 services for Andrew J. Faber. This counts Original Medicare only and measures volume, not quality.
What is Andrew J. Faber's NPI number?
1124447131. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Andrew J. Faber, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients13
Services billed to Medicare40
Different services or procedures5
Participating Medicare providerYes
Average age of these patients70

Hospitals where Andrew J. Faber works

Medicare's Facility Affiliation Data lists Andrew J. Faber at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Andrew J. Faber is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrew J. Faber as a member of this group (CMS data updated October 2, 2026).

  • Colorado Permanente Medical Group PC1,327 clinicians in the group

Specialties

Find other Internal Medicine doctors in Colorado →

Other internal medicine doctors in Denver

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

All internal medicine doctors in Denver →

Other clinicians in Colorado Permanente Medical Group PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124447131
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians