Dr. Randall S. Muir, DO
- Medicare services, 2024
- 927
- Medicare patients, 2024
- 380
- Part D claims, 2024
- 1,096
- Hospital affiliations
- 5
- Industry payments
- $1,866
- Practice address
- 1250 Mercy Dr, Muskegon, MI 49444
- Practice phone
- Call (231) 773-0597
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Apple Avenue Dialysis
Muskegon, Michigan
Find Dr. Muir's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Randall S. Muir is a nephrologist in Muskegon, Michigan
Dr. Muir practices at Apple Avenue Dialysis in Muskegon, Michigan.
Dr. Muir's NPI, 1942620521, was assigned on April 22, 2014. Dr. Muir graduated from Michigan State University College of Osteopathic Medicine in 2014. Dr. Muir holds Michigan license 5101024624.
- NPI
- 1942620521NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769776236
- NPI enumeration date
- April 22, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 773-0597
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Randall S. Muir practices at Apple Avenue Dialysis in Muskegon, Michigan
Dr. Muir's primary practice is Apple Avenue Dialysis, at 1250 Mercy Dr, Muskegon, MI 49444 in Muskegon County. The practice phone is (231) 773-0597.
- Apple Avenue Dialysis1250 Mercy Dr, Muskegon, MI 49444 · Muskegon CountyPhone(231) 773-0597
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Randall S. Muir is affiliated with 12 sites of care and 1 medical group
Dr. Muir's primary practice is Apple Avenue Dialysis in Muskegon, Michigan. Dr. Muir is also affiliated with Trinity Health Muskegon Hospital. The medical group on file is West Michigan Nephrology. Dmand AI also links Dr. Muir to 4 more hospitals, 5 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Randall S. Muir's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Muir practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Apple Avenue Dialysis | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Randall S. Muir is one of 310 nephrologists in Michigan
Nephrology is Dr. Muir's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Muir is licensed in Michigan.
Specialties and state licenses
- Nephrology, MichiganPrimary
Nephrologists near Dr. Muir
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Randall S. Muir billed Medicare for 927 services in 2024
CMS data shows 927 Medicare services from Dr. Muir across 10 procedure codes in 2024, for 380 Medicare patients. Medicare paid $112,469 for them.
Dr. Muir's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7352024: 50431%
- Tests and treatments
- 2023: 5292024: 40324%
- Lab and pathology
- 2023: 172024: 2018%
Where Dr. Muir's Medicare services took place, 2024
- In an office59664%
- In a facility33136%
Dr. Muir compared with the Michigan median for nephrologists, 2024
- Dr. Muir
- Michigan median
- Medicare services
- 927vs 8499% above
- Medicare patients
- 380vs 26941% above
- Part D claims
- 876vs 57453% above
Medians across 310 nephrologists in Michigan with Dmand AI profiles that report each measure.
Dr. Muir's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Muir and other nephrologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Randall S. Muir treated 380 Medicare patients in 2024, average age 71
CMS counts 380 Medicare patients who saw Dr. Muir in 2024. The largest group is 75 to 84, with 124 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 33% are also on Medicaid. Their average risk score is 5.31, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Muir's median patient age at 72, with 50% women.
Dr. Muir's Medicare patients by age, 2024
Dr. Muir's Medicare patients by sex, 2024
- Women18248%
- Men19852%
Chronic conditions among Dr. Muir's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Heart failure61%
- Diabetes60%
- Arthritis45%
- Ischemic heart disease43%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Muir's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Randall S. Muir wrote 1,096 Medicare Part D claims in 2024
In 2024, Dr. Muir wrote 1,096 Medicare Part D claims for 320 patients. 80% of them were for generic drugs. CMS names the drug for 876 of them, across 28 drugs with 11 or more claims each, at $151,215 in total drug cost. In 2023, CMS named 1,004 claims across 32 drugs.
Dr. Muir's Part D claims by kind of drug, 2024
- Generic874 claims80%
- Brand-name and other222 claims20%
Dr. Muir's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Muir's Part D claims, 2024
- Antibiotics4%46 of 1,096 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0042024: 87613%
Drugs named by CMS: 28 in 2024, 32 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Randall S. Muir takes part in Medicare
Dr. Muir accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Randall S. Muir received $1,866 in industry payments from 2016 to 2025
CMS Open Payments shows 28 general payments to Dr. Muir from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $403.
General payments to Dr. Muir by program year, 2016 to 2025
Companies that paid Dr. Muir the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Randall S. Muir graduated from Michigan State University College of Osteopathic Medicine
Dr. Muir graduated from Michigan State University College of Osteopathic Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Randall S. Muir's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Randall S. Muir
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Randall S. Muir's NPI number?
Dr. Randall S. Muir's NPI number is 1942620521. It was assigned on April 22, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Randall S. Muir?
Dr. Randall S. Muir is a nephrologist in Muskegon, Michigan. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Randall S. Muir practice?
Dr. Muir practices at 1250 Mercy Dr, Muskegon, MI 49444. Dr. Muir's primary practice is Apple Avenue Dialysis in Muskegon, Michigan. Dmand AI also links Dr. Muir to 4 hospitals, 5 dialysis centers and 1 group practice or clinic.
What is Dr. Randall S. Muir's office phone number?
The practice phone on file for Dr. Muir is (231) 773-0597.
What is Dr. Randall S. Muir's medical license number?
Dr. Muir holds Michigan license 5101024624.
Which hospitals is Dr. Randall S. Muir affiliated with?
Dr. Muir is affiliated with Trinity Health Muskegon Hospital. Dmand AI links Dr. Muir to 4 more hospitals.
What medical group is Dr. Randall S. Muir part of?
Dr. Muir is linked to West Michigan Nephrology.
Does Dr. Randall S. Muir accept Medicare?
Yes. CMS data shows Dr. Muir billed Medicare for 927 services in 2024, and Dr. Muir accepts Medicare assignment.
How many Medicare patients does Dr. Randall S. Muir see?
CMS counts 380 Medicare patients who saw Dr. Muir in 2024, with an average age of 71.
What services does Dr. Randall S. Muir bill to Medicare?
In 2024, Dr. Muir's most billed Medicare services were dialysis (90960), hospital inpatient care (99232) and office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Randall S. Muir go to medical school?
Dr. Muir graduated from Michigan State University College of Osteopathic Medicine in 2014.
What drugs does Dr. Randall S. Muir prescribe most?
In 2024 Medicare Part D data, Dr. Muir's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Farxiga.
Has Dr. Randall S. Muir received payments from drug or device companies?
CMS Open Payments shows $1,866 in general payments to Dr. Muir from 14 companies from 2016 to 2025. The largest total came from Relypsa, Inc.
How long has Dr. Randall S. Muir been practicing?
Dr. Muir graduated from medical school in 2014, 12 years ago.
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