Registry data as of Aug 27, 2026

Randall Muir, D.O

Nephrology Physician · Muskegon, MI

Randall Muir, D.O is a nephrology physician with a practice address in Muskegon, Michigan, and NPI 1942620521, issued on Apr 22, 2014. Check the license on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942620521
Name
Randall Muir
Credential
D.O
Primary taxonomy
Nephrology Physician 207RN0300X
Practice location
1250 Mercy Dr Ste 101, Muskegon, MI 49444
Phone
(231) 733-1912
Enumerated
Apr 22, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1250 Mercy Dr Ste 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emily Conley, M.D.Nephrology Physician1891753224
  2. James Conley, M.D.Nephrology Physician1639137086
  3. Julimarie Dagen, N.P.Registered Nurse1720135627
  4. Sarah Draeger, PA-CRegistered Dietitian1962754259
  5. Joshua Marvil, PA-CPhysician Assistant1932814407
  6. Joseph McKenna, M.D.Internal Medicine Physician1760411599

Verify Randall Muir in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of MedicineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

27% fewer Medicare Part D claims than the average nephrology physician in 2024

1,096 Medicare Part D claims for 320 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D.

  1. Randall Muir1,096
  2. Specialty average1,511

Most prescribed

  1. Amlodipine Besylate108 claims
  2. Losartan Potassium69 claims
  3. Farxiga67 claims
  4. Carvedilol49 claims
  5. Lisinopril48 claims
  6. Sevelamer Carbonate43 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital or facility affiliation

  1. West Michigan Nephrology PLLCMuskegon, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nephrology Physician providers in Michigan

There are 269 nephrology physician records in Michigan.

Other nephrology physician records in Michigan

  1. Mohamed AbdaliDetroit, MI1629852728
  2. Mohamed Abdalla, M.D.Flint, MI1760797344
  3. Ameer Abdulrazzak, MDRoseville, MI1104948280
  4. Hassan Abou-Rass, M.D.Detroit, MI1831596428
  5. Fadi Abuhmaid, MDAllen Park, MI1396869665
  6. George Adam, M.D.Battle Creek, MI1316902562
  7. Shreedhar Adhikari, MDWest Branch, MI1033560057
  8. Damali Adu, M.D.Westland, MI1356640890
  9. Muhammad Ahsan, M.D.Southfield, MI1396725305
  10. Syed Akbar, MDAllen Park, MI1477554699

Common questions

What is Randall Muir, D.O's NPI number?

Randall Muir, D.O's National Provider Identifier (NPI) is 1942620521, issued on Apr 22, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Randall Muir, D.O located?

The NPPES record lists a practice address at 1250 Mercy Dr Ste 101, Muskegon, MI, 49444. Phone: (231) 733-1912. Providers update this record themselves, so call before visiting.

How can I verify Randall Muir, D.O's license?

Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Randall Muir, D.O prescribe under Medicare Part D?

In 2024, Randall Muir, D.O had 1,096 Medicare Part D claims for 320 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.