Quick answers
- Does Mary M. McNamara accept Medicare assignment?
- Yes. Medicare's clinician data says Mary M. McNamara 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 Mary M. McNamara see?
- In 2024, CMS data shows 35 Original Medicare patients and 49 services for Mary M. McNamara. This counts Original Medicare only and measures volume, not quality.
- What is Mary M. McNamara's NPI number?
- 1972944510. 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 Mary M. McNamara, 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 | 35 |
|---|---|
| Services billed to Medicare | 49 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)19 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)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 cholesterol69%
- Arthritis46%
- Ischemic heart disease34%
- Anxiety34%
- Chronic kidney disease34%
Practice locations
Addresses where Mary M. McNamara is enrolled with Medicare (CMS data updated October 2, 2026).
- 1401 E State StRockford, IL 61104 (779) 696‑4400
- 5666 E State StRockford, IL 61108 (815) 921‑8929
Group practices
Medicare enrollment lists Mary M. McNamara as a member of these groups (CMS data updated October 2, 2026).
- OSF Multi-Specialty Group2,114 clinicians in the group
- Rockford Emergency Physicians, LLC53 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Rockford
Clinicians with the same Medicare primary specialty in Rockford, IL — not a recommendation.
Other clinicians in OSF Multi-Specialty Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972944510 |
| 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
- 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