Quick answers
- Does Ronda J. Mattila accept Medicare assignment?
- Yes. Medicare's clinician data says Ronda J. Mattila 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 Ronda J. Mattila see?
- In 2024, CMS data shows 301 Original Medicare patients and 1,212 services for Ronda J. Mattila. This counts Original Medicare only and measures volume, not quality.
- What is Ronda J. Mattila's NPI number?
- 1346600194. 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 Ronda J. Mattila, 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 | 301 |
|---|---|
| Services billed to Medicare | 1,212 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)240 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)193 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)162 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)22 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)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 pressure75%
- High cholesterol75%
- Arthritis64%
- Atrial fibrillation48%
- Heart failure47%
- Ischemic heart disease46%
Hospitals where Ronda J. Mattila works
Medicare's Facility Affiliation Data lists Ronda J. Mattila 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.
- Up Health System PortageHancock, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230108
- Uphs Marquette DLP HospitalMarquette, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230054
Practice locations
Addresses where Ronda J. Mattila is enrolled with Medicare (CMS data updated October 2, 2026).
- 850 W Baraga AveMarquette, MI 49855 (906) 225‑3914
Group practices
Medicare enrollment lists Ronda J. Mattila as a member of this group (CMS data updated October 2, 2026).
- Upper Peninsula Rehabilitation Medicine Associates PC8 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Marquette
Clinicians with the same Medicare primary specialty in Marquette, MI — not a recommendation.
Other clinicians in Upper Peninsula Rehabilitation Medicine Associates PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346600194 |
| 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