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Ophthalmology

Richard M. Stewart, MD

Works at hospitals in Boulder, CO · Colorado

Summary

Dr. Richard M. Stewart, MD is an ophthalmologist at 1332 Vivian St, Longmont, CO 80501. Phone: (303) 485-1516. Accepts Medicare assignment. In 2024, Richard M. Stewart had 473 Original Medicare patients and 1,527 services. NPI 1932113578. 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: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1332 Vivian St, Longmont, CO 80501 · Directions (1 more location)
  • Phone: (303) 485‑1516
  • Medicare: Accepts Medicare assignment
  • Hospital: Boulder Community Health
  • Group practice: Flatirons Ophthalmology PLLC
  • Medical school: Tulane University School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard M. Stewart, 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 Richard M. Stewart accept Medicare assignment?
Yes. Medicare's clinician data says Richard M. Stewart 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 Richard M. Stewart see?
In 2024, CMS data shows 473 Original Medicare patients and 1,527 services for Richard M. Stewart. This counts Original Medicare only and measures volume, not quality.
What is Richard M. Stewart's NPI number?
1932113578. 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 Richard M. Stewart, 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 patients473
Services billed to Medicare1,527
Different services or procedures46
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Removal of cataract with insertion of prosthetic lens (66984)345 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)276 services
  3. Measurement of corneal curvature and depth of eye (92136)182 services
  4. Imaging of optic nerve (92133)180 services
  5. Exam of visual field with extended testing (92083)109 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 cholesterol61%
  • High blood pressure49%
  • Arthritis42%
  • Ischemic heart disease22%
  • Osteoporosis19%
  • Depression14%

Hospitals where Richard M. Stewart works

Medicare's Facility Affiliation Data lists Richard M. Stewart 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.

  • Boulder Community HealthBoulder, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060027

Practice locations

Addresses where Richard M. Stewart is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Richard M. Stewart as a member of this group (CMS data updated October 2, 2026).

  • Flatirons Ophthalmology PLLC4 clinicians in the group

Specialties

Find other Ophthalmology doctors in Colorado →

Other ophthalmologists in Longmont

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

All ophthalmologists in Longmont →

Other clinicians in Flatirons Ophthalmology PLLC

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

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932113578
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