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Certified Registered Nurse Anesthetist (CRNA)

Richard R. Marr, CNA

Sees patients in Alma, MI · Michigan

Summary

Richard R. Marr, CNA is a nurse anesthetist at 300 E Warwick Dr, Alma, MI 48801. Phone: (989) 463-1101. Accepts Medicare assignment. In 2024, Richard R. Marr had 56 Original Medicare patients and 58 services. NPI 1396099487. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 300 E Warwick Dr, Alma, MI 48801 · Directions
  • Phone: (989) 463‑1101
  • Medicare: Accepts Medicare assignment
  • Group practice: Monaco Management LLC
  • School: graduated 2012
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard R. Marr, 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 R. Marr accept Medicare assignment?
Yes. Medicare's clinician data says Richard R. Marr 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 R. Marr see?
In 2024, CMS data shows 56 Original Medicare patients and 58 services for Richard R. Marr. This counts Original Medicare only and measures volume, not quality.
What is Richard R. Marr's NPI number?
1396099487. 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 R. Marr, 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 patients56
Services billed to Medicare58
Different services or procedures23
Participating Medicare providerYes
Average age of these patients71

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 pressure75%
  • High cholesterol75%
  • Arthritis59%
  • Diabetes39%
  • Ischemic heart disease36%
  • Chronic kidney disease30%

Practice locations

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

Group practices

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

  • Monaco Management LLC37 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Michigan →

Other nurse anesthetists in Alma

Clinicians with the same Medicare primary specialty in Alma, MI — not a recommendation.

All nurse anesthetists in Alma →

Other clinicians in Monaco Management LLC

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

Clinician information

CredentialCNA
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396099487
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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