Randall Muir, D.O
NPI 1942620521 · Nephrology Physician · Muskegon, MI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randall Muir, D.O is a Nephrology Physician provider in Muskegon, MI (NPI 1942620521).
Provider details
- NPI number
- 1942620521
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 5101024624 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
927 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 316 | $307 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 252 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $71 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 44 | $116 |
| Hemodialysis Procedure With Physician Evaluation90935 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 108 | 37 |
| Losartan Potassium | 69 | 30 |
| Dapagliflozin Propanediolbrand: Farxiga | 67 | 18 |
| Carvedilol | 49 | 16 |
| Lisinopril | 48 | 19 |
| Sevelamer Carbonate | 43 | 19 |
| Sodium Zirconium Cyclosilicatebrand: Lokelma |
Practice location
Mailing address
Additional practice locations (1)
- 28050 Grand River AveMedical Education Department, Attn: Janis JohnsonFarmington Hills, MI 48336-5919Phone: (248) 888-2515
Registry dates
- Enumerated
- 2014-04-22
- Last updated
- 2019-06-27
Frequently asked questions
- What is Randall Muir's NPI number?
- Randall Muir's National Provider Identifier (NPI) is 1942620521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randall Muir's specialty?
- Randall Muir is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Randall Muir located?
- Randall Muir's practice location on file with NPPES is 1250 Mercy Dr Ste 101, Muskegon, MI 49444-1881.
- What is Randall Muir's phone number?
- The practice phone number listed in the NPPES registry for Randall Muir is (231) 733-1912.
- Does Randall Muir accept Medicare?
- Randall Muir is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randall Muir's NPI active?
- Yes — Randall Muir's NPI (1942620521) is active in the NPPES registry as of the last update on 2019-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.