Quick answers
- Does Mercedes A. Maki accept Medicare assignment?
- Yes. Medicare's clinician data says Mercedes A. Maki 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 Mercedes A. Maki see?
- In 2024, CMS data shows 26 Original Medicare patients and 35 services for Mercedes A. Maki. This counts Original Medicare only and measures volume, not quality.
- What is Mercedes A. Maki's NPI number?
- 1013228840. 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 Mercedes A. Maki, 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 | 26 |
|---|---|
| Services billed to Medicare | 35 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)14 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 pressure69%
- High cholesterol46%
Hospitals where Mercedes A. Maki works
Medicare's Facility Affiliation Data lists Mercedes A. Maki 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.
- Aspirus Keweenaw Hospital and ClinicsLaurium, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231319
- Baraga County Memorial HospitalL' Anse, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231307
- Up Health System PortageHancock, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230108
Practice locations
Addresses where Mercedes A. Maki is enrolled with Medicare (CMS data updated October 2, 2026).
- 205 Osceola StLaurium, MI 49913 (906) 337‑3100
- 500 Campus DrHancock, MI 49930 (906) 483‑1060
Group practices
Medicare enrollment lists Mercedes A. Maki as a member of these groups (CMS data updated October 2, 2026).
- Aspirus Keweenaw115 clinicians in the group
- Upper Great Lakes Family Health Center40 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Laurium
Clinicians with the same Medicare primary specialty in Laurium, MI — not a recommendation.
Other clinicians in Aspirus Keweenaw
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013228840 |
| 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