Quick answers
- Does Erica S. Cook accept Medicare assignment?
- Yes. Medicare's clinician data says Erica S. Cook 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 Erica S. Cook see?
- In 2024, CMS data shows 208 Original Medicare patients and 883 services for Erica S. Cook. This counts Original Medicare only and measures volume, not quality.
- What is Erica S. Cook's NPI number?
- 1205106341. 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 Erica S. Cook, 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 | 208 |
|---|---|
| Services billed to Medicare | 883 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)321 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)110 services
- Destruction of precancer skin growth, 1 growth (17000)108 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services
- Destruction of skin growth, 1-14 growths (17110)93 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 cholesterol72%
- High blood pressure70%
- Arthritis42%
- Diabetes35%
- Ischemic heart disease26%
- Chronic kidney disease24%
Hospitals where Erica S. Cook works
Medicare's Facility Affiliation Data lists Erica S. Cook at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Javon Bea HospitalRockford, IL · Acute Care Hospital · closed, according to its website · CCN 140239
Practice locations
Addresses where Erica S. Cook is enrolled with Medicare (CMS data updated October 2, 2026).
- 3401 N Perryville RdRockford, IL 61114 (815) 971‑2000
- 7402 E Riverside BlvdLoves Park, IL 61111 (815) 971‑2000
Group practices
Medicare enrollment lists Erica S. Cook as a member of this group (CMS data updated October 2, 2026).
- Rockford Health Physicians521 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 Rockford Health Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2011 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205106341 |
| 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
- 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