Quick answers
- Does Regina M. Stilling accept Medicare assignment?
- Yes. Medicare's clinician data says Regina M. Stilling 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 Regina M. Stilling see?
- In 2024, CMS data shows 493 Original Medicare patients and 2,817 services for Regina M. Stilling. This counts Original Medicare only and measures volume, not quality.
- What is Regina M. Stilling's NPI number?
- 1760743470. 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 Regina M. Stilling, 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 | 493 |
|---|---|
| Services billed to Medicare | 2,817 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)1,440 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)374 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)249 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)113 services
- Administration of influenza virus vaccine (G0008)80 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 pressure73%
- High cholesterol69%
- Arthritis39%
- Ischemic heart disease25%
- Diabetes20%
- Anxiety20%
Hospitals where Regina M. Stilling works
Medicare's Facility Affiliation Data lists Regina M. Stilling 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.
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140130
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140116
Practice locations
Addresses where Regina M. Stilling is enrolled with Medicare (CMS data updated October 2, 2026).
- 333 Commerce Dr, Suite 600Crystal Lake, IL 60014 (815) 404‑0595
Group practices
Medicare enrollment lists Regina M. Stilling as a member of this group (CMS data updated October 2, 2026).
- Reasons Health, PLLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Crystal Lake
Clinicians with the same Medicare primary specialty in Crystal Lake, IL — not a recommendation.
Other clinicians in Reasons Health, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1760743470 |
| 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