Quick answers
- Does Mackenzie N. Shallenberger accept Medicare assignment?
- Medicare's clinician data says Mackenzie N. Shallenberger may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Mackenzie N. Shallenberger see?
- In 2024, CMS data shows 120 Original Medicare patients and 342 services for Mackenzie N. Shallenberger. This counts Original Medicare only and measures volume, not quality.
- What is Mackenzie N. Shallenberger's NPI number?
- 1942573001. 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 N. Shallenberger, 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 | 120 |
|---|---|
| Services billed to Medicare | 342 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)150 services
- Hospital discharge day management, more than 30 minutes (99239)60 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)43 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)34 services
- Nursing facility discharge management, more than 30 minutes (99316)18 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%
- Arthritis58%
- Chronic kidney disease53%
- Ischemic heart disease46%
- COPD45%
Hospitals where Mackenzie N. Shallenberger works
Medicare's Facility Affiliation Data lists Mackenzie N. Shallenberger 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.
- Blessing HospitalQuincy, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140015
- Illini Community HospitalPittsfield, IL · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 141315
Practice locations
Addresses where Mackenzie N. Shallenberger is enrolled with Medicare (CMS data updated October 2, 2026).
- 640 W Washington StPittsfield, IL 62363 (217) 223‑8400
Group practices
Medicare enrollment lists Mackenzie N. Shallenberger as a member of this group (CMS data updated October 2, 2026).
- Blessingcare Corporation22 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Blessingcare Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2011 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1942573001 |
| 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