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

Diagnostic Radiology

Robert B. Layser, MD

Works at hospitals in Lakewood, CO · Westminster, CO · Longmont, CO … · Colorado, Kansas

Summary

Dr. Robert B. Layser, MD is a radiologist at 11600 W 2nd Pl, Lakewood, CO 80228. Phone: (303) 433-9729. Accepts Medicare assignment. In 2024, Robert B. Layser had 1,894 Original Medicare patients and 2,669 services. NPI 1598054421. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Robert B. Layser, 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 Robert B. Layser accept Medicare assignment?
Yes. Medicare's clinician data says Robert B. Layser 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 Robert B. Layser see?
In 2024, CMS data shows 1,894 Original Medicare patients and 2,669 services for Robert B. Layser. This counts Original Medicare only and measures volume, not quality.
What is Robert B. Layser's NPI number?
1598054421. 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 Robert B. Layser, 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 patients1,894
Services billed to Medicare2,669
Different services or procedures121
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of chest, 1 view (71045)480 services
  2. Ct scan head or brain without contrast (70450)140 services
  3. X-ray of chest, 2 views (71046)131 services
  4. Ct scan of abdomen and pelvis with contrast (74177)124 services
  5. X-ray of hip, 2-3 views (73502)97 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure72%
  • High cholesterol68%
  • Arthritis63%
  • Ischemic heart disease32%
  • Depression31%
  • Chronic kidney disease30%

Hospitals where Robert B. Layser works

Medicare's Facility Affiliation Data lists Robert B. Layser 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 Robert B. Layser is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Robert B. Layser as a member of this group (CMS data updated October 2, 2026).

  • Colorado Imaging Associates P C62 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Colorado →

Other radiologists in Lakewood

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

All radiologists in Lakewood →

Other clinicians in Colorado Imaging Associates P C

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

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598054421
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