Quick answers
- Does Mackenzie M. Mellum accept Medicare assignment?
- Yes. Medicare's clinician data says Mackenzie M. Mellum 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 Mackenzie M. Mellum see?
- In 2024, CMS data shows 75 Original Medicare patients and 294 services for Mackenzie M. Mellum. This counts Original Medicare only and measures volume, not quality.
- What is Mackenzie M. Mellum's NPI number?
- 1699403543. 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 Mackenzie M. Mellum, 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 patients | 75 |
|---|---|
| Services billed to Medicare | 294 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)43 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
- Insertion of needle into vein for collection of blood sample (36415)28 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)12 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 blood pressure63%
- High cholesterol61%
- Arthritis48%
- Anxiety31%
- Chronic kidney disease27%
- Diabetes20%
Hospitals where Mackenzie M. Mellum works
Medicare's Facility Affiliation Data lists Mackenzie M. Mellum 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.
- Allina Health Faribault Medical CenterFaribault, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240071
- Allina United HospitalSaint Paul, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240038
Practice locations
Addresses where Mackenzie M. Mellum is enrolled with Medicare (CMS data updated October 2, 2026).
- 21260 Chippendale Ave WFarmington, MN 55024 (651) 463‑7181
- 440 Elm St EAnnandale, MN 55302 (320) 682‑5225
Group practices
Medicare enrollment lists Mackenzie M. Mellum as a member of this group (CMS data updated October 2, 2026).
- Allina Health System3,842 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Other clinicians in Allina Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699403543 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians